Published on and written by Cyril Jarnias
Moving to Aruba means choosing a life in the sun almost year-round, amidst postcard beaches, constant trade winds, and turquoise seas. But behind the paradise image lies a demanding climate: near-permanent heat, extreme UV, powerful winds, scarce fresh water, and heat- and sea-related risks. For an expat, living well in Aruba isn’t just about enduring the heat; it’s about organizing your entire life around it.
This article provides a practical guide, based on climate, health, and environmental data, to help newcomers to Aruba adapt their daily lives. It covers essential aspects such as health, housing, energy and water consumption, garden planning, wardrobe, storm preparation, and integration into the local ecological context.
Understanding Aruba’s Climate to Adapt Better
Living in Aruba means inhabiting a perpetual summer. The island is located about 12.5° north of the equator, off the coast of Venezuela, in the southern Caribbean Sea. It’s part of the ABC islands (Aruba, Bonaire, Curaçao), an area known for its dry, windy, and very sunny weather.
Temperatures vary little: averaging between 77 and 90 °F (26 and 32 °C), with a “feels like” temperature often much higher due to humidity. The year is mainly divided between a drier season and a wetter period, rather than four classic seasons.
Aruba’s climate is often summed up as a formidable combo: heat, humidity, very high and strong sun, steady winds, brief but sometimes intense rains, salty air, and warm seas year-round.
Dry Season, Wet Season: What It Means for Daily Life
For an expat, this climate calendar conditions almost everything: outings, sports, home maintenance, electricity bills, even mood.
We can generally distinguish:
| Period | Main Characteristics | Impact for an Expat |
|---|---|---|
| January – April | Driest period, low humidity, lots of sun | Fewer mosquitoes, more “comfortable” climate, high tourist season |
| May – August | Hotter, more humid, very pleasant sea, strong winds | Heavier heat, sometimes rough seas, A/C more in use |
| September – December | More humid, heat peaks, brief and intense showers | Feeling like an oven, risk of overheating, greening vegetation |
The easterly to southeasterly trade winds blow almost constantly, with maximum force between February and August. They bring a welcome feeling of coolness but can also dry out anything not protected: skin, gardens, facades, roofs.
Extreme Sunshine and a UV Index Through the Roof
Aruba gets over 3,000 hours of sunshine per year and more than 300 sunny days. Its position near the equator means the sun is almost always high in the sky. Result: a UV index regularly at “very high” to “extreme” levels, often around 11 to 13, with peaks up to 14 at times.
In other words, unprotected skin can start to burn in about ten minutes around midday, especially between 10 a.m. and 4 p.m. Two aggravating factors add to this: reflection off the seawater (up to +50% UV) and off the burning white sand.
For an expat living in a sunny climate, sun protection should not be an occasional gesture, like on a weekend beach trip. It must become a routine integrated into daily life, a structural habit for effective protection throughout the year.
Heat and Humidity: The Real “Feels Like”
The displayed temperatures may seem moderate (82–88 °F), but high humidity (often 75–80%) drives up the heat index. Air at 86 °F (30 °C) with 78% humidity can feel like 104 °F (40 °C) to the body.
Local studies show that average air temperature has already increased by at least 2.7 °F (1.5 °C) compared to the 1951–1980 period, while average humidity has risen. Periods of extreme heat are lengthening, and “heat dome” phenomena and urban heat islands are multiplying, especially in heavily built-up areas.
For expats settled in dense or heavily paved neighborhoods, this means warmer nights, increased reliance on air conditioning, and greater health risks if you don’t adapt.
Health and Heat: Protecting Your Body Above All
Moving to Aruba without adapting your lifestyle to the heat is a potentially dangerous mistake. The island’s health authorities emphasize the risks linked to heatwaves and prolonged heat waves, especially for those over 60, children, the sick, pregnant women, or outdoor workers.
Local data shows a clear link between rising temperatures and mortality among seniors: each additional degree is associated with dozens of extra deaths in this age group. This is compounded by the aging resident and visitor population.
Drink Before You’re Thirsty: The Basics of Basics
A key reflex for an expat is to significantly increase water intake. Aim for at least 2 liters (about half a gallon) per day, more with physical activity or time spent outdoors. Alcohol, very sugary drinks, or overly caffeinated beverages dehydrate more than they hydrate.
Tap water is potable and of very good quality, as it comes from desalination. To limit plastic waste, using a reusable water bottle or a filtering bottle is recommended, especially since plastic bags are banned on the island.
Recognizing Heat Warning Signs
Learning to distinguish dehydration, heat stroke, and heat exhaustion is essential for yourself, your family, and colleagues. Some useful pointers:
| Situation | Common Signs | Reflex to Adopt |
|---|---|---|
| Dehydration | Intense thirst, dry mouth, dark and scant urine, fatigue, headache | Drink immediately, get to a cool place, rest |
| Heat Exhaustion (moderate) | Heavy sweating, clammy pale skin, muscle cramps, dizziness, nausea | Lie down in a cool place, drink, cool the body |
| Severe Heat Stroke | Body temperature > 104 °F (40 °C), hot dry skin, confusion, loss of consciousness, absence of sweat | Call 911, cool the body immediately while waiting for help |
Many expats coming from temperate climates underestimate how quickly heat can escalate into a medical emergency. In Aruba, calling emergency services (911) in case of serious doubt isn’t overcaution; it’s a standard safety norm.
Organizing Your Days According to the Sun
The beach at noon, a run at 2 p.m., or work on a roof at 1 p.m. are not managed here as they are in Europe. Health authorities recommend avoiding intense physical activities as much as possible between 11 a.m. and 3 p.m.
For an expat, this can mean:
To protect yourself during heat waves, it’s recommended to schedule physical activities like jogging, outings with children, or walking the dog early in the morning or late afternoon. If you work outdoors, adjust your hours. For trips, favor walking or biking outside the hottest hours of the day.
On a weekly scale, this simple reorganization massively reduces the risk of overheating, severe sunburn, or discomfort.
Clothing: Learning to Dress for the Climate, Not the Season
An expat’s wardrobe in Aruba should align with a few simple principles: breathability, lightness, protection.
Fabrics to favor: linen, lightweight cotton (poplin, seersucker, gauze), bamboo, Tencel/lyocell, good quality viscose, some breathable technical blends. Loose-fitting cuts are significantly more bearable than fitted clothes.
Materials to avoid daily in this climate: standard polyester, thick nylon, acrylic, heavy denim, thick wool. They trap heat, retain sweat, and increase the risk of skin irritation.
Culturally, some local rules also matter: nudity and topless are prohibited on public beaches, and a swimsuit alone is not considered appropriate attire in supermarkets, gas stations, churches, or hotel lobbies. So, plan for easy-to-slip-on clothes or cover-ups to go from beach to town.
Sun and UV: Protecting Yourself Seriously (and Protecting the Reefs)
The intensity of UV radiation in Aruba imposes another daily discipline: that of sun protection. Here, forgetting your sunscreen isn’t a trivial oversight; it’s almost a strategic mistake.
Sunscreen: High Protection and Coral Respect
The island took a significant step by banning the import, sale, and production of sunscreens containing oxybenzone, a chemical filter harmful to coral reefs. Products must therefore be “reef-safe”, even though not all labeled as such truly are. Local brands like Aruba Aloe or Arubalife Organics offer compliant solutions, and validated international brands from specialized NGOs exist.
For an expat, this implies: adapting to a new culture, learning a new language, building a social network, and managing the logistics of daily life in a foreign country.
For optimal protection, choose a sunscreen with a minimum SPF 30, ideally SPF 50, and broad-spectrum (UVA/UVB). Apply it generously at least 30 minutes before sun exposure. Reapply every two hours and systematically after each swim, even with so-called “water-resistant” formulas. Be careful not to neglect often-forgotten areas: neck, ears, tops of feet, shoulders, upper back, and hands.
In Aruba, sunscreen is part of regular expenses, just like water or electricity. Better to include this cost in your monthly budget.
Hat, Glasses, Clothing: The “Second Skin”
A wide-brimmed hat (truly) wide, sunglasses filtering UVA/UVB, and sometimes a UV-protective T-shirt for swimming or snorkeling are precious allies, especially for expat families with children.
Repeated, unprotected exposure during daily activities (walking the dog, school commute, lunch on a terrace) ends up having a negative cumulative impact on skin and eyes, even if they seem harmless.
After-Sun: Aruba’s Aloe
Aloe vera is almost an institution on the island. The Aloe barbadensis variety was part of the historical pillars of the local economy and remains omnipresent, both as a plant in gardens and in Aruba Aloe products. Its gel soothes, hydrates, and helps skin recover from intense exposure.
Many expat residents quickly adopt a ritual: a cool shower at the end of the day, then aloe gel on exposed areas, even without an obvious sunburn.
Living with Wind, Salt, and Sea
Aruba’s climate isn’t just hot; it’s also very windy and salty. These characteristics have concrete consequences on housing choice, materials, equipment, and even some daily practices.
Wind: Ally for Coolness, Enemy for Comfort
The constant trade winds provide precious natural air conditioning. Traditional cunucu houses oriented openings and living areas to capture these north-easterly winds while protecting from direct sun. Even today, leveraging this natural ventilation helps reduce air conditioning use.
The wind, though often pleasant, has several drawbacks. It kicks up dust and sand, makes objects fly away, and dries out gardens. It also generates noise and can cause excessive cooling in the evening, especially if you’re wet. In coastal areas, it makes water activities more difficult and dangerous by raising waves.
For expats, learning to “read” the wind and orient furniture, terraces, clotheslines, and plantings quickly becomes a reflex.
Salty Air: Silent Corrosion
The salt-laden air corrodes metals, attacks some paints, weakens joinery and outdoor appliances. A climate where salt is omnipresent requires choosing suitable materials: quality aluminum, resistant stainless steels, treated wood, coatings designed for marine environments.
In a home, this means: the space where one lives, offering comfort and security.
– favoring aluminum or uPVC windows/doors over untreated iron;
– ensuring regular maintenance of air conditioners (the outdoor unit in particular);
– avoiding storing rust-sensitive items outdoors.
For a vehicle, regular washing to remove salt is highly recommended.
Housing: Designing or Adapting Your Home to Aruba’s Climate
One of the big challenges for expats buying, building, or renovating in Aruba is designing a home that remains livable and affordable to air condition in an increasingly hot climate, while considering high energy costs.
Buildings account for nearly 70% of the island’s electricity consumption, with a large share attributed to air conditioning. Poorly designed, a home can become an energy drain and a heat trap.
Taking Inspiration from Traditional Houses (Cunucu)
Cunucu houses, these historic small rural homes, weren’t designed by chance. Thick walls of coral stone, caliche, or adobe, steep roofs, small well-oriented openings, generous verandas: everything aimed to keep coolness and exploit natural ventilation.
Even in a modern project, revisiting these ideas makes sense:
To optimize thermal comfort in summer, it’s recommended to favor deep awnings to shade facades, install covered terraces and protected outdoor living areas, limit large unprotected picture windows facing due west, and orient the house to effectively capture prevailing winds.
For an expat investor or self-builder, working with a local architect familiar with Aruba’s climate is a real plus, especially those specialized in bioclimatic and energy-efficient design.
Insulate… in the Tropics?
One might think insulation is a matter for cold climates. The opposite is true in Aruba: an uninsulated roof turns into a permanent radiator.
Local specialists emphasize a clear hierarchy:
| Element to Address | Importance for Comfort and Energy | General Recommendations |
|---|---|---|
| Roof | Critical | High-performance insulation, light color, reflective coating |
| Exterior Walls | Very Important | Insulate, especially if exposed to direct sun |
| Openings (windows, doors) | Essential | High-performance glazing (Low-E, double), insulating frames |
| Slabs and Floors | Useful, especially depending on floor type | Thicker slab and better sealed than a simple screed |
A roof painted white or equipped with a reflective coating significantly reduces heat entering the house. Adding suitable insulation under the roofing allows for a more stable indoor temperature and relieves the air conditioning.
Natural Ventilation and Reasoned Air Conditioning
Properly ventilating your home is a basic condition for limiting A/C use. Opposing windows, high openings to let hot air escape, ceiling fans, adjustable louvres: all these solutions contribute to passive cooling.
In hot and humid regions, air conditioning is often essential in bedrooms. To avoid excessive energy bills, a targeted and strategic approach to its use is recommended.
We can summarize a few rules from Caribbean best practices:
| Aspect | Best Practice in Aruba |
|---|---|
| Temperature Setting | Aim for 75–77 °F (24–25 °C) rather than 68–70 °F (20–21 °C), which can save up to 10%/°C |
| Zoning | Air condition only certain rooms (bedrooms, office) and not the whole house |
| Maintenance | Clean or change filters regularly to save 5 to 15% energy |
| Air Tightness | Close doors, windows, and curtains when A/C is running |
| Programming | Use timers and programmable thermostats to avoid 24/7 operation |
It’s also recommended to choose modern air conditioners, like inverter types, with good energy efficiency (high EER/SEER), and to place the outdoor unit in the shade and well-ventilated.
Managing Domestic Energy in a High-Cost Context
Electricity in Aruba is expensive, and the climate pushes for more consumption (air conditioning, fans, dehumidification, water heating). Multiple small actions can reduce the bill while lightening your environmental footprint:
– limit dryer use in favor of a clothesline in the shade;
– favor LED bulbs, which consume far less than halogens or CFLs;
– avoid multiplying appliances on standby by unplugging them when not in use;
– program the (electric) water heater to a reasonable temperature and insulate it if possible;
– consider, for a long stay or real estate purchase, a solar photovoltaic installation, well-suited to the local strong sunshine.
Water: Living Serenely on a (Very) Dry Island
Aruba has a semi-arid climate, with one of the lowest rainfall levels in the Caribbean (around 15–20 inches per year). Historically, rainwater and aquifers were essential, but the island has massively turned to desalination of seawater, an energy-intensive and fossil-fuel-dependent solution.
For an expat, understanding this reality changes your relationship with water: every shower, every garden watering, every flush relies on a costly and fragile system, at a time when the climate makes droughts longer and harder.
Depleting Reservoirs and Capricious Rain
The climate trend is clear: less annual rain, more concentrated in short, intense episodes, interspersed with prolonged dry periods. Rainwater reservoirs and soils struggle to recharge properly. In several neighborhoods, ponds are practically dry after long periods without rain.
The growing demand for water puts pressure on local agriculture, gardens, green spaces, and the overall desalinated water supply system.
Adopting a Water-Saving Culture
As an expat, you can integrate into this reality by adopting more sober practices:
To preserve the water resource, favor shorter and cooler showers, avoid letting water run unnecessarily (dishes, brushing teeth), opt for efficient appliances (dual-flush toilets, efficient washing machine, low-flow faucets), and water plants sensibly (early morning or evening, with mulch to reduce evaporation).
For construction or renovation projects, integrating rainwater harvesting systems becomes relevant, especially since an old ban on these cisterns has been lifted. Well-designed, these systems relieve the public network and allow watering gardens and vegetable patches without using desalinated water.
Gardening and Greening Your Life in Aruba
Many expats dream of a lush tropical garden. The Aruban reality is different: sandy, low-fertility soils, heat, drought, powerful wind, expensive and scarce water. Gardening here is more about strategy than simple desire.
Betting on Plants Adapted to the Local Climate
The first rule is to abandon the idea of a deep English lawn and water-guzzling European flower beds. Instead, favor species drought-resistant and sun-tolerant, especially local or well-acclimatized plants.
Among the stars of the Aruban garden:
Aruba’s vegetation is adapted to its arid and windy climate. It includes cacti and agaves, with some endemic species like the *Agave arubensis*, which is highly threatened. Aloe vera, the omnipresent multi-use plant, is also common. The island’s emblematic tree is the watapana (Divi Divi), recognizable by its shape bent by the trade winds. Finally, robust tropical shrubs like bougainvillea, dwarf red ixora, and periwinkle, which blooms year-round, complete this landscape.
For a small vegetable garden, some vegetables and herbs do well with a bit of care: tomatoes, peppers, basil (yerba di hole in Papiamento), mint, lemongrass, oregano. Again, the choice of location, mulching, wind protection, and watering method makes a difference.
Protecting the Garden from Sun, Wind, and Water Scarcity
A viable garden in Aruba rests on a few pillars:
To create a resilient garden in a windy, dry environment, several practices are essential. Start by improving sandy soils by adding compost or organic matter, which will increase their water retention capacity. Use mulch (with bark, straw, or gravel) to reduce evaporation and stabilize soil temperature. Opt for water-efficient irrigation, preferably with a drip system or soaker hoses, early morning or evening. Protect young plants from gusts by installing windbreaks like hedges, lattice screens, or low walls. Finally, for the most sensitive plants, occasional use of shade cloth may be necessary.
The logic of hydrozoning — grouping plants according to their water needs — works very well here: near the house and water points, the thirstier species; on the periphery of the lot, cacti and nearly autonomous plants.
A Garden, But Also an Ecological Responsibility
Aruba faces strong environmental pressures: coastal erosion, coral reef degradation, fragile mangroves, invasive species. A poorly designed garden can worsen some problems (excessive water use, runoff laden with fertilizers, planting invasive species, etc.).
Informing yourself about protected local plants, avoiding massive use of pesticides, limiting soil paving, and favoring “green” solutions (living hedges, tree shade) are concrete ways for an expat to integrate into the island’s preservation dynamic.
Storm and Hurricane Season: A Limited Risk But Not to Be Ignored
Aruba lies outside the main track of Caribbean hurricanes, making it a reputedly safer destination during the cyclone season (June–November). Major direct impacts are rare. However, the island can experience intense rains, strengthened winds, or swells related to tropical systems passing to the north.
For an expat, the key is preparation and information, even if the risk is lower than elsewhere.
Understanding Alerts and Local Institutions
Several institutions play a central role in managing storm-related risks:
The main government entities in Aruba responsible for monitoring, coordinating, and communicating during major weather phenomena or emergency situations.
Monitors weather systems at sea and is responsible for issuing official bulletins and alerts.
Coordinates all actions and service responses during an emergency or disaster situation.
Disseminates health advice and recommendations to the public to preserve public health in all circumstances.
Expatriates should familiarize themselves with the terms used (watch, warning), follow official channels (websites, social media, local media), and record emergency numbers (911, 100 for police).
Minimum Domestic Preparation
Even if hurricane warnings for Aruba are rare, preparation is done well in advance. Many recommendations also apply to heavy rains or more modest disturbances:
To protect yourself, secure objects that could fly away, check roof waterproofing, protect glazed openings, and assemble an emergency kit containing important documents, medications, a first aid kit, a flashlight with batteries, and water and non-perishable food for several days.
In practice, for an expat residing year-round, these preparations are often integrated at the start of the cyclone season, then simply updated when systems threaten the region.
Integrating into Aruba While Respecting a Fragile Environment
Moving to Aruba isn’t just about dealing with its climate; it’s about entering a territory where ecosystems are already under strong pressure: declining corals, fragmented mangroves, degraded seagrass beds, fragile dunes, water resources under strain, an economy highly dependent on coastal tourism.
Climate, Tourism, and Vulnerability
Aruba’s economy heavily relies on the triad “sun, sand, sea.” Tourist infrastructure is concentrated on the coast, often in areas sensitive to erosion, storms, and sea level rise.
Vulnerability studies show that:
Mangroves, essential for coastal protection and biodiversity, represent just over 1% of the national territory.
As an expat, you can reduce your own footprint by choosing your leisure activities (e.g., avoiding motorized off-roading in the dunes), supporting environmentally respectful operators, and respecting protected areas.
Water, Energy, Waste: Small Decisions, Big Effects
The desalination of water, reliance on fossil fuels for electricity, plastics abandoned on beaches, chemicals running off to the sea: so many realities that make Aruba an island both beautiful and vulnerable.
Adopting a responsible resident posture involves respecting community living rules, taking care of your home and common areas, and maintaining good relations with neighbors and the landlord.
– save water and electricity out of conviction as much as financial interest;
– favor soft mobility when possible (walking, biking);
– limit single-use plastic, knowing bags are already banned by law;
– choose sunscreens truly respectful of reefs;
– inquire about local waste sorting and disposal guidelines.
These are seemingly modest gestures, but multiplied by all residents and visitors, they effectively change the game on a small island.
Practical Tips for a Successful Move to Aruba
Beyond the major climate and ecological principles, some concrete observations recur among many expats settling on the island.
Adapt Your Personal Routine
Many end up profoundly modifying their habits:
– earlier breakfast to enjoy the relative coolness;
– outdoor and sports activities scheduled at dawn or sunset;
– nap or quiet time during the hottest hours;
– lightweight, covering clothes as a daily “uniform”;
– water bottle always within reach.
This gradual shift toward a “tropical clock” allows for better living with the climate and reduces heat-related fatigue.
Think “Climate” in All Your Material Choices
Whether buying a car, furniture, household appliances, or leisure equipment, the climate imposes additional criteria: salt resistance, ability to operate in high heat, electricity consumption, possibility of storage away from sun and wind.
A standard beach umbrella without a heavy base will quickly be blown away by the strong gusts characteristic of Aruba. Similarly, standard untreated metal furniture will rust extremely fast, almost visibly, due to environmental conditions.
Stay Informed Through Official Channels
The Aruban authorities (health, weather, environment) are active in the field of communication, especially during periods of heatwave, drought, heavy rains, or exceptional phenomena (sargassum, algae blooms, etc.). For an expat, following these channels — websites, institutional Facebook or Instagram pages — is a valuable reflex to anticipate and adjust behavior.
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To live in Aruba, you must adjust your health, housing, energy consumption, activities, and expectations to a hot, dry, sunny, and fragile environment. This adaptation is all the more crucial as climate change intensifies extreme conditions on the island.
For expats who accept to play this game of adaptation — learning to tame the sun, respect water, leverage the wind, protect their health and that of others — Aruba offers what few places in the world can guarantee: a near-permanent summer, a welcoming sea, and the possibility to live outdoors almost every day of the year, fully aware of the environment that hosts them.
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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.
