Published on and written by Cyril Jarnias
Settling in the United Arab Emirates means accepting two inseparable realities: a high level of material comfort… and one of the most extreme desert climates on Earth. Temperatures regularly climbing above 104 °F, humidity that can reach almost 90%, pervasive dust, and rare but violent downpours: for a newcomer, the shock can be both physical and cultural.
Millions of expats live and work in the UAE by adapting to the seasons. The country is investing heavily in climate change adaptation, energy efficiency, and resilient infrastructure. Understanding this context allows you to adjust your lifestyle, protect your health, and reduce energy consumption while maintaining comfort.
This article provides a very hands‑on overview: how the local climate works, what real health risks exist, how to organize your days, choose your home, manage air conditioning, water, leisure, outdoor work, and even your household appliances. All tips are based on data and studies conducted in the United Arab Emirates.
Understanding the local climate to better adapt
Before talking about air conditioning or sunscreen, it helps to grasp the main features of the UAE climate. You don’t adapt the same way to a dry 90 °F summer as to a humid 113 °F one.
The country lies in the desert belt of the Arabian Peninsula. The year is essentially split into two main seasons: a long, very hot and humid summer, and a short, mild, sunny winter, with two brief transitional periods.
In winter, from December to March, daytime temperatures hover around 68–77 °F, nights can drop to 50–59 °F, the sea remains swimmable, and a few rain episodes occur, often as sudden showers. This is the “ideal” period for outdoor activities.
Temperature peaks can reach nearly 122 °F during summer in the region.
One point often underestimated by newcomers is humidity, especially along the coast. In Dubai or Abu Dhabi, it can reach 85–90%, pushing the perceived temperature to 122–140 °F. Under these conditions, the body sweats but evaporates poorly, leading to much faster fatigue and an increased risk of dehydration.
Shamals, dust or sand storms, sharply reduce visibility to a few hundred yards, irritate the respiratory tract, and leave a fine layer of dust on surfaces.
Climate change is amplifying these features. Studies on temperature trends between 1950 and 2100 show clear warming, with projections of +3.6 to +5.4 °F on average by the end of the century. Researchers predict longer summers, more days above 104 °F, higher coastal humidity, and less frequent but more intense rainfall—as illustrated by the record rains in Dubai in 2024.
For an expat, this means two very concrete things: extreme heat is not a temporary anomaly but a near‑permanent condition for several months each year, and the ability to organize daily life around this reality becomes an essential skill.
Health: recognizing risks and adopting the right reflexes
The UAE climate isn’t just uncomfortable—it can be dangerous if its effects are underestimated. Health authorities and local academic studies agree: heat and humidity cause a significant rise in heat‑related illnesses, especially among outdoor workers, but also among poorly acclimatized expats.
A study conducted in Ajman among 397 adults exposed to heat for more than two hours daily showed that over 86% reported symptoms of heat exhaustion. Nearly half stated they had already experienced signs of heatstroke or fainting (syncope). Alongside these physical issues, there were notable psychological and social repercussions: anxiety, stress, and feelings of isolation.
Distinguishing dehydration, heat exhaustion, and heatstroke
In daily life, most expats mainly face three problems: dehydration, heat exhaustion, and—more rarely but more seriously—heatstroke.
Dehydration can set in insidiously, especially in extreme climates like the UAE’s—very dry or very humid. Signs include intense thirst, dry mouth, headache, fatigue, and dark urine. Crucially, in this context, thirst is a late signal. A fluid deficit of just 2% of body weight can already impair cognitive abilities, underscoring the importance of proactive hydration.
Heat exhaustion (heat exhaustion) shows up as heavy sweating, weakness, dizziness, muscle cramps, nausea, and sometimes fainting. Body temperature is elevated but usually below 104 °F.
Heatstroke (heatstroke) is a life‑threatening emergency. Body temperature exceeds 104 °F, the skin becomes hot and sometimes dry, behavior may become confused or disoriented, and balance issues or loss of consciousness can occur. Without prompt care, there is a real risk of brain damage, kidney failure, or liver failure.
Vulnerable groups include children, the elderly, people with heart, respiratory, or kidney conditions, pregnant women, and also physically active expats (athletes, construction workers, security personnel, etc.).
Hydration: more than advice, a strategy
The best protection remains proactive hydration. Local doctors recommend aiming for at least 2 to 3 liters of water per day for an adult, and 3 to 4 liters for someone active outdoors. In practice, this means drinking regularly without waiting for thirst, always having an insulated water bottle on hand, and monitoring urine color (pale yellow is a good indicator).
Tap water in Dubai, mainly from desalination, is officially potable. However, many expats opt for alternatives like bottled water or filter pitchers. Regardless of your water source choice, the key is to maintain consistent hydration.
Smart hydration combines drinks and food: fruits high in water (watermelon, melon, citrus), cucumbers, tomatoes, and salads contribute to fluid intake while providing minerals and fiber. For prolonged exertion or time outdoors, oral rehydration solutions (electrolyte packets) or homemade preparations (water, a pinch of salt, lemon juice, a little sugar) help compensate for losses of sodium, potassium, and magnesium.
Very sugary drinks, alcohol, and excess coffee or black tea increase the risk of dehydration. You don’t have to ban them entirely, but balance them with sufficient water intake.
Protecting yourself from the sun and heat
The intensity of UV radiation demands a sun discipline that many expats underestimate. Using a broad‑spectrum sunscreen, at least SPF 30, ideally SPF 50, applied generously and reapplied every two hours during prolonged exposure, significantly reduces the risk of sunburn, pigmentation spots, and, long term, skin cancers.
Equip yourself with the right accessories and choose suitable textiles to protect yourself effectively from the sun and heat.
A wide‑brimmed hat and UV‑filtering sunglasses are essential for sun protection.
Choose lightweight, loose‑fitting clothing in light‑colored cotton, linen, or bamboo. They allow air circulation, absorb sweat, and limit heating.
Avoid thick, dark synthetic fabrics that trap heat and can cause skin irritation.
Organizing your time is equally crucial. The midday hours, between 11 a.m. and 4 p.m., are the peak of radiation and temperature. Planning physical activities, walking commutes, or outdoor visits for early morning or evening is one of the most important rhythm changes to adopt.
For days when exposure is unavoidable, taking frequent breaks in the shade or air‑conditioned spaces, cooling your wrists, neck, or temples with water, or taking a lukewarm shower (not ice‑cold) helps limit the rise in internal temperature.
Housing and daily life: turning climate into a domestic parameter
In the UAE, housing is not just about location and size; it’s also a major tool for climate adaptation. A poorly oriented, poorly insulated apartment with aging air conditioning can turn summer into an energy and thermal nightmare.
Public authorities are well aware of this: the country has implemented sustainable building standards (Estidama in Abu Dhabi, Barjeel regulation in Ras Al Khaimah, green building standards in Dubai). These frameworks aim to reduce energy and water consumption by 30% in new buildings while improving indoor comfort.
Choosing a climate‑adapted home
When searching for a home, several criteria deserve special attention from a climate perspective.
Orientation plays a key role: west‑facing facades receive scorching afternoon sun, right when the building has already accumulated heat. An apartment facing north or with solar protections (overhangs, balconies, sunshades) will offer better comfort.
The type of glazing is also decisive. Double‑glazed windows with selective coatings (letting in light but rejecting part of the heat) and good sealing limit heat gain and hot‑air infiltration. On your bill, these details make themselves felt.
Colors and facade materials influence indoor temperature. Light‑colored walls reflect more solar radiation than dark paint. Roofs and terraces can benefit from light “cool roof” coatings or green roofs, which lower surface temperature.
Finally, the law regulates certain aspects: in Dubai, for example, the landlord is required to install and maintain functional air conditioning in rental units. They cannot cut off air conditioning, water, or electricity due to late rent payment. For an expat, this is a minimum guarantee of thermal safety.
Managing air conditioning without blowing up the bill
In a typical UAE household, air conditioning accounts for nearly 50% of electricity consumption. The Dubai Electricity and Water Authority (DEWA) estimates average annual consumption at 20,000 kWh per person, largely driven by cooling demand.
4‑ or 5‑star inverter air conditioners in the UAE consume up to 40% less energy than older models.
For an expat, a few simple rules can optimize usage:
– set the thermostat around 75 °F in summer: each degree added saves up to 5% energy according to DEWA;
– use automatic mode rather than constant maximum cooling;
– close windows and doors whenever the AC is running, and regularly check seals (gaskets, door bottoms);
– clean or replace filters at least once a month in summer, and schedule professional maintenance twice a year;
– consider replacing units older than ten years, which are often inefficient, with properly sized inverter models.
The issue of sizing is critical. An undersized AC will run continuously without ever reaching the set temperature; an oversized unit will cool quickly but dehumidify poorly, leaving an unpleasant clammy feeling. Reputable installers consider room area, ceiling height, exposure, and insulation to recommend the right capacity.
Reducing heat gains and optimizing equipment
In addition to air conditioning, several actions and equipment choices limit heat loads.
Blinds, thick curtains, and shutters greatly reduce solar radiation penetration. Closing these protections on exposed facades during the hottest hours can noticeably lower indoor temperature.
LED lighting, now widely available, uses 75–80% less energy than incandescent bulbs while producing less heat. In an already very hot country, every internal heat source counts.
Electrical devices on standby account for 5 to 10% of household consumption. Turning off power strips, unplugging unused chargers, and grouping equipment on switched blocks reduces both the bill and ambient heat buildup.
Refrigerators, washing machines, and other large appliances should also be chosen carefully. The ESMA energy label (1 to 5 stars) allows model comparison. Inverter technology for fridge compressors or washing machine motors saves 30 to 50%. NoFrost features are especially useful in a humid climate, preventing frost buildup and maintaining stable cold.
Here is an overview of the main consumption categories in a typical household and possible action levers:
| Household consumption category (UAE average) | Estimated share of household electricity | Climate adaptation levers |
|---|---|---|
| Air conditioning | ≈ 50% | Set to 75 °F, filter maintenance, inverter 4–5 star models, insulation, blinds |
| Refrigeration / freezing | High | Inverter 4–5 star appliances, settings (≈ 39 °F fridge, 0 °F freezer), seal maintenance |
| Computers & electronics | ≈ 10% | Turn off standby, switched power strips, energy‑efficient LCD/LED screens |
| Lighting | Variable | LED bulbs, use natural light, dimmers, motion sensors |
| Washer / dryer | Significant | Low‑temperature cycles, air drying when possible, high‑efficiency appliances |
Adapting your home to the climate is not just about “adding more cold”; it’s mainly about reducing what produces and lets in heat.
Water and heat: adapting in a water‑stressed country
The United Arab Emirates ranks among the most water‑stressed countries in the world. Renewable water resources per capita are far below the scarcity threshold defined by the United Nations, and nearly all drinking water comes from seawater desalination—a very energy‑intensive process.
Paradoxically, domestic water consumption remains very high. The country ranks third in per capita water consumption behind the United States and Canada. The price of a liter of gasoline is sometimes comparable to that of bottled water, which gives an idea of the imbalance between actual scarcity and perception.
To adapt, expats need to protect their health by staying hydrated while also learning to use water sparingly.
Authorities have launched numerous awareness campaigns, including a national energy and water conservation campaign (“Save to sustain”) and incentive‑based pricing programs via operators like DEWA or ADDC. Regulations mandate water‑efficient fixtures in new buildings (flow reducers, efficient sanitary ware, smart irrigation).
In a home, a few simple actions have a notable impact:
To significantly reduce water consumption, several actions are effective: install low‑flow aerators and showerheads (saving 50 to 70%), shorten showers (1–2 minutes less saves nearly 150 gallons/month), turn off water while brushing teeth or shaving, fix leaks immediately (a dripping faucet wastes 4 gallons/day, a faulty toilet up to 200 gallons), run appliances only when full, and water the garden in the morning or after 6 p.m. using drip irrigation.
An important point for daily life: in Islam, water is considered a sacred gift, mentioned multiple times in the Quran. Using it sparingly is seen as a form of respect for creation. For an expat, adopting water‑saving practices aligns with both ecology and local culture.
Working and commuting safely
Not all expats are confined to air‑conditioned offices. Many work in jobs that involve frequent travel or even prolonged outdoor work. UAE authorities have put specific regulations in place to limit risks, but knowing these rules helps you defend your rights and adapt your routine.
The midday break for outdoor work
Each summer, the Ministry of Labor (now the Ministry of Human Resources and Emiratisation) imposes a ban on outdoor work under direct sunlight during a fixed time window. From mid‑June to mid‑September, outdoor work is prohibited from 12:30 p.m. to 3:00 p.m.
Employers who violate this rule face significant fines, AED 5,000 per worker, up to a cap of AED 50,000 per company. The vast majority of companies comply, and official inspections show compliance rates above 95%.
Certain operations that cannot be interrupted, such as concrete pouring or emergency interventions, may be carried out despite the usual restrictions. However, the employer must implement strict protective measures: providing shaded areas, breaks, cool water, and first‑aid supplies.
For an expat employed in construction, logistics, security, or other exposed sectors, it is important to know this regulation, request accommodations if necessary, and report any non‑compliance to the competent authorities.
The “Safety in the Heat” program, developed in Abu Dhabi, showed that a set of measures (training, heat‑level‑adapted breaks, hydration, appropriate equipment) could reduce severe heat‑related cases by 50 to 80% in some companies. It is a reference for best practices in the region.
Adapting your trips and commutes
Even for an expat working in an office, daily commutes can become grueling in summer. Blast‑furnace air when exiting the metro, shadeless parking lots, non‑air‑conditioned bus stops turn a few minutes of waiting into an ordeal.
In major cities like Abu Dhabi and Dubai, it is advisable to plan your trips using air‑conditioned transport infrastructure. These cities invest in air‑conditioned bus shelters and a comprehensive network of cooled public transit (metro, tram, bus). Making the most of these facilities can significantly improve daily comfort.
Some useful reflexes:
– avoid walking long distances in direct sun during the afternoon, even just two or three blocks;
– choose routes with covered or air‑conditioned sections (e.g., walkways between some malls and metro stations);
– park in the shade when possible or use sunshades to protect your vehicle’s interior;
– regularly check tire pressure: heat increases the risk of blowouts;
– keep water in the car and never leave children or pets alone in a closed vehicle, even for a few minutes.
Car air conditioning, though nearly universal, must also be properly maintained. A failing system in the middle of summer can become more than just an annoyance.
Leisure and lifestyle: enjoying the country without burning out
Adapting to the local climate doesn’t mean giving up all activities. The UAE has built much of its leisure offering around the concept of the “air‑conditioned oasis”: shopping malls turned into living spaces, indoor theme parks, ultra‑modern museums, high‑tech gyms.
The most common adaptation strategy used by residents is to reserve most indoor activities for the hottest hours and shift outdoor outings to early morning or evening.
Iconic malls like Dubai Mall or Mall of the Emirates have become destinations in their own right, offering attractions such as Olympic‑size ice rinks, giant aquariums, virtual reality parks, indoor ski slopes, and children’s theme parks. In Abu Dhabi, the indoor parks on Yas Island—Ferrari World, Warner Bros. World, and CLYMB—provide fun alternatives for the entire summer.
Beaches remain usable if you respect the timing: sunrise or late afternoon, when air and sea temperatures become tolerable. Desert activities like safaris are often scheduled for late afternoon, with a return after dark.
The following table shows how to distribute your activities according to weather conditions:
| Time slot in summer | Typical weather conditions | Recommended activities for adaptation |
|---|---|---|
| 5 a.m. – 8 a.m. | Still moderate temperatures, lower humidity | Jogging, walking, beach, gardening, quick outdoor errands |
| 8 a.m. – 11 a.m. | Rapid temperature rise, strong sun | Necessary trips, short outdoor tasks, travel in air‑conditioned car |
| 11 a.m. – 4 p.m. | Peak heat and UV, intense feels‑like | Indoor activities in AC: work, malls, museums, indoor parks |
| 4 p.m. – 7 p.m. | Heat still strong, sun gradually lower | Short family outings, late‑afternoon park, commute home |
| 7 p.m. – midnight | Residual heat but low UV, often more bearable | Terrace dinners, walks along corniches, moderate outdoor activities |
Many expats adjust their social clock: eating dinner later, going out more often at night in summer, centering weekends on indoor daytime activities and outdoor evening ones. Accepting this shift is part of the adaptation process.
Clothing and dress codes: balancing climate and culture
Dressing in the UAE means dealing with heat while also respecting a cultural and religious framework. The country is Muslim, and modesty in dress is an important value, though the degree of tolerance varies by emirate and location.
The general principle is fairly simple: cover shoulders and knees in public spaces (malls, transit, government buildings), avoid very tight, transparent, or excessively low‑cut clothing, and reserve swimwear for beach areas.
Loose, long garments in natural fabrics like cotton or linen—typical of traditional dress (kandoura for men, abaya for women)—provide effective UV protection while allowing air circulation. Choosing light colors helps better reflect heat.
Adapting your wardrobe means investing in a few key pieces: lightweight pants or midi skirts, thin long‑sleeved shirts, flowy dresses, light scarves to cover shoulders if needed, and a cardigan or light jacket to cope with the often very strong air conditioning in public places.
For visits to mosques or certain religious sites, full coverage is mandatory: arms and legs must be covered, and women must cover their hair. Although abayas and scarves are often loaned on site, it is advisable to come prepared with appropriate attire to avoid any unpleasant surprises.
At the beach or pool, swimsuits are accepted, but it is customary to wear a cover‑up (sarong, beach dress, shorts and tank top) as soon as you leave the swimming area to go to the café or parking lot.
In summary, the ideal expat wardrobe combines fabrics suited to the climate with a level of coverage appropriate to local customs. This compromise keeps you both physically comfortable and socially at ease.
Home appliances: choosing desert‑adapted devices
Living in such an extreme climate imposes another type of adaptation that is often overlooked: choosing household appliances. Manufacturers targeting the UAE market have developed “tropicalized” lines, capable of operating at very high ambient temperatures, with high humidity and near‑constant dust.
Air conditioners and refrigerators in particular must offer stable cooling capacity even when the mercury exceeds 122 °F. This requires robust compressors, properly sized heat exchangers, and protection against salt corrosion, especially near the sea.
For a seaside home, choose a vacuum cleaner (especially a robot) with strong suction power, HEPA filters, and appropriate brushes to effectively handle fine sand and dust. A dehumidifier may also be useful in damp rooms like the bathroom or kitchen during periods of high humidity.
The country has introduced a clear energy label (1 to 5 stars) to help consumers identify the most efficient models. Choosing 4‑ or 5‑star appliances reduces your electricity bill and aligns with national energy efficiency policy.
Home automation is also advancing: smart thermostats, connected plugs, utility apps (like DEWA Smart Living) allow you to track consumption in near real time, schedule air conditioning or water heaters for off‑peak hours, or remotely turn off non‑essential equipment.
For an expat settling in for several years, taking the time to choose appliances suited to the local climate and with high energy ratings is a worthwhile investment, both in comfort and cost of living.
Most advice naturally focuses on the physical side: hydration, heatstroke, housing, appliances. But prolonged heat also has psychological and social effects, especially among expats.
Research conducted in the UAE shows links between prolonged heat exposure and increased stress, irritability, sleep disorders, and even symptoms of anxiety or depression. Being confined indoors for long weeks, limiting outdoor social activities, and feeling a constant constraint on your schedule take a toll on morale.
In sunny countries, vitamin D deficiencies are paradoxically common because direct sun exposure is often avoided and sunscreen is used routinely. Regular medical checkups, including a vitamin D test and supplementation if needed, are recommended for expats.
To mitigate these effects, it helps to:
– maintain regular social connections, even through indoor activities (clubs, associations, classes, creative hobbies);
– establish a structured daily routine with consistent sleep schedules and relaxation time;
– practice stress management techniques (breathing, meditation, yoga, moderate indoor exercise);
– consult a mental health professional if persistent symptoms (low mood, anxiety, sleep troubles) set in.
The major cities of the UAE offer a growing network of psychologists, psychiatrists, and coaches, often multilingual and accustomed to working with an expatriate clientele.
Joining the collective effort for climate resilience
Finally, adapting to the local climate as an expat also means understanding that the country you live in is on the front lines of climate change. The UAE has adopted a National Climate Change Plan and a National Adaptation Program, with ambitious targets for emissions reduction and massive investment in renewable energy and resilient infrastructure.
The UAE demonstrates its commitment to a diversified economy and cleaner energy through iconic projects like Masdar City and the Mohammed bin Rashid Al Maktoum Solar Park. Internationally, the country promotes a comprehensive resilience framework that places adaptation—especially in water, food, health, ecosystems, and infrastructure—at the heart of priorities.
For an expat, contributing to this effort doesn’t mean giving up comfort, but making consistent choices: choosing efficient appliances, adjusting the air conditioner rather than cranking it to maximum, saving water, opting for public transit when possible, and supporting local initiatives (sustainable agriculture, recycling, awareness).
Authorities emphasize a “whole‑of‑society” approach that involves governments, businesses, NGOs, academia… and residents, whether citizens or expats. By adapting intelligently to the climate, everyone helps strengthen collective resilience in the face of a reality that, in the UAE more than anywhere else, is measured daily on the thermometer.
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To settle and live in the United Arab Emirates, you have to contend with an extreme environment. The country is investing heavily to tame it. It is essential to understand the risks, adjust your home, habits, clothing, and leisure, and stay attentive to your physical and mental health. This allows you not only to cope with the heat but also to fully enjoy the region while reducing your footprint on an already‑stressed system.
Adapting to the local climate doesn’t happen overnight, but every concrete decision—the time of your jog, the temperature of your AC, the way you use water—becomes a step toward a more comfortable, safer, and more sustainable life in the United Arab Emirates.
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Cyril Jarnias is an independent expert in international wealth management with over 20 years of experience. As an expatriate himself, he is dedicated to helping individuals and business leaders build, protect, and pass on their wealth with complete peace of mind.
On his website, cyriljarnias.com, he shares his expertise on international real estate, offshore company formation, and expatriation.
Thanks to his expertise, he offers sound advice to optimize his clients' wealth management. Cyril Jarnias is also recognized for his appearances in many prestigious media outlets such as BFM Business, les Français de l’étranger, Le Figaro, Les Echos, and Mieux vivre votre argent, where he shares his knowledge and know-how in wealth management.
