Published on and written by Cyril Jarnias
Moving to Kenya means embracing a daily life between savannah, Indian Ocean, dynamic metropolises, and temperate highlands. But this postcard scenery hides a less-known reality: a highly contrasting climate, which changes quickly and differently from one region to another, and directly impacts health, housing, transportation, and even the energy budget. For an expatriate, truly understanding this climate—and its disruptions linked to climate change—is not a luxury; it’s a condition for living comfortably and safely.
To travel well in Kenya, it’s essential to adapt to local climate realities. This article provides practical, specific advice for Nairobi, the coastal region, safari areas, and arid zones, to best navigate daily life in each environment.
Understanding the Kenyan Climate Before Packing Your Bags
Kenya stretches from the Indian Ocean to the arid interior, with significant altitude differences on top of that. The result: several “microclimates” coexist in the same territory. Ignoring these nuances means risking choosing the wrong neighborhood, the wrong time to move, or the wrong equipment.
A Country of Multiple Climates
On the coast, around Mombasa, Nyali, Diani, or Malindi, the atmosphere is decidedly tropical: humid heat, warm sea, dense vegetation. In contrast, Nairobi, perched on the highlands, offers more temperate temperatures, sometimes cool in the morning and evening, despite its position near the equator. Further north and northeast (Turkana, Marsabit, Wajir…), you enter arid and semi-arid lands, with extreme temperatures, scorching sun, and very low rainfall.
The country experiences distinct rainy seasons, but they are increasingly unpredictable. Traditionally, we distinguish:
| Approximate Period | Common Name | Likely Climatic Characteristics* |
|---|---|---|
| March – mid-June | Long Rains | Heavy rains, risk of localized flooding |
| October – December | Short Rains | Shorter rains but sometimes very intense |
| January – February | Relatively dry and hot season | Intense heat, especially at lower altitudes |
| July – August | Cooler season on the highlands | Cool mornings, often sunny days |
These patterns are increasingly disrupted by the effects of climate change.
Kenya is very sensitive to the El Niño, La Niña, and Indian Ocean Dipole climate phenomena. El Niño years are generally wetter, increasing the risks of floods, landslides, and outbreaks of diseases like malaria and cholera. Conversely, La Niña episodes are associated with droughts, especially in arid regions. These alternating patterns, observed for decades, are now more frequent and more intense.
Visible Climate Change
For an expatriate, climate change is not an abstract concept: it translates into heatwaves, sudden and devastating rains, and periods of drought that affect drinking water, food prices, and even security.
Key trends to keep in mind:
| Climate Impact | What the data shows for Kenya | Practical Consequences for Expatriates |
|---|---|---|
| Rising Temperatures | More days above 86°F (30°C), especially in low-lying areas | Need for adapted housing, risk of dehydration, fatigue |
| More Frequent Extreme Rains | Intensification of rainy episodes, especially October-December | Urban flooding, roads cut off, power outages |
| Recurrent Droughts | Frequency increased from once every 10 years to every 2–3 years | Rising prices for water and foodstuffs, local tensions |
| Expansion of Certain Diseases | Malaria, dengue, cholera favored by heat and rain | Need for more rigorous medical prevention |
Understanding these dynamics helps calibrate expectations: in Kenya, you don’t just live “under the sun”; you also live with the growing pressure of climate hazards.
Nairobi, Mombasa, Nanyuki… Choosing Your City Based on Climate
Climate should count as much as rent or access to schools when choosing where to settle. The major cities frequented by expatriates each offer a different “climate package”.
Nairobi: Altitude Moderates… But Doesn’t Protect from Everything
The capital, perched on the highlands, enjoys a more temperate climate than many African cities at a similar latitude. Evenings can be downright chilly, especially in July-August, while days remain pleasantly mild most of the time. For many expatriates, this climate is a major asset: less oppressive heat, easier nights, lower need for air conditioning.
But Nairobi is not immune to heavy rains or pollution. During the rainy seasons, some neighborhoods end up underwater, major roads get blocked, and power outages multiply. Air quality can also become problematic, with about 14,000 deaths per year attributed to pollution in the country: an indicator of the risk level for vulnerable people (asthma, cardiovascular problems).
Therefore, adapting your setup in Nairobi means:
For a comfortable and sustainable stay in Nairobi, it is advisable to prioritize neighborhoods on higher ground or with good drainage to avoid regularly flooded areas. It’s also important to check the history of water infiltration in buildings, especially in the newer towers in neighborhoods like Kilimani, Kileleshwa, or Westlands. Finally, opt for a well-ventilated home rather than an ultra-air-conditioned one to limit your energy dependence while maintaining good comfort.
Mombasa and the Coast: Heat, Humidity, and Mosquitoes
On the coast, the climate is more demanding on the body and housing. Mombasa and its surroundings (Nyali, Bamburi, Shanzu, Diani…) experience persistent humid heat, which the ocean doesn’t always mitigate. The slightest effort quickly becomes a challenge during heat peaks, especially away from sea breezes.
The coastal climate also favors mosquito proliferation, and thus the risk of vector-borne diseases like malaria, dengue, or chikungunya. Rising sea levels, already observed, are projected to affect between 10,000 and 86,000 people by 2030 in Mombasa, with increased risks of erosion, coastal flooding, and groundwater salinization.
For an expatriate, living on the coast involves: enjoying a pleasant living environment, easy access to beaches, benefiting from sunny weather, and discovering a rich local culture. It’s also an opportunity to engage in water sports and savor local culinary specialties.
It’s essential to adapt to a hot climate with heavy nights and to choose a well-ventilated home with mosquito nets and air conditioning used in moderation. You must also budget more for health: repellents, impregnated mosquito nets, medical consultations, and potential antimalarial treatment. Finally, be vigilant about the location relative to the coastline to anticipate risks of erosion or submersion.
Nanyuki, Nakuru, Eldoret: Milder Climates for a Breath of Fresh Air
Cities like Nanyuki, Nakuru, or Eldoret, often favored by expatriates seeking tranquility, offer cooler and more stable climates. Nanyuki, at the foot of Mount Kenya, is known for its safety and crisp air. Eldoret, in the heart of the Rift Valley, enjoys a cooler climate than Nairobi, limiting the need for air conditioning.
Nakuru, described as a “green and fresh” urban center, also benefits from this mitigating altitude. For families, these cities can represent an interesting compromise: moderate temperatures, good quality of life, reasonable access to services, and often less pollution than Nairobi.
Housing and Climate: Choosing Well to Better Withstand the Weather
Choosing your home is probably the most powerful tool for living well with Kenya’s climate. Orientation, building materials, ventilation, floor level, proximity to trees or bodies of water: all these elements will determine your thermal comfort and exposure to risks.
Orientation, Altitude, Vegetation: Three Parameters Not to Overlook
The same type of house can be pleasant in Nanyuki and stifling in Nyali. Before signing a lease, it’s worth considering a few concrete parameters:
| Element | Warm/Humid Environment (coast, plains) | Cooler Environment (highlands, Nanyuki) |
|---|---|---|
| Main Orientation | Avoid maximum western exposure, prioritize sea breezes | Benefit from light, especially in the morning |
| Materials | Thick walls, well-insulated roofs, light-colored paint | Good insulation for cool nights, airtight windows |
| Surrounding Vegetation | Trees for shade, but limit stagnant water | Appreciable vegetation, lower mosquito risk |
| Floor Level | Upper floors more ventilated, but hotter under the roof | Ground floor sometimes colder and damper |
In Nairobi, the big question is often exposure to seasonal rains and runoff. A house on poorly drained sloping land will turn every downpour into a torrent in the garden, or even the living room. In newer towers, it’s essential to inquire about the waterproofing of facades and roofs.
Climate and Security: A Duo Not to Underestimate
In Kenya, residential security is inseparable from weather. An isolated property, on the edge of a forest or fields, combines risks of burglary and difficult accessibility during the rainy season. This applies to Nairobi as well as Mombasa or Nakuru.
The United Nations advises avoiding houses located directly on the edge of forests or farms, prioritizing robust fencing and good perimeter lighting. During the rainy season, this exterior lighting is crucial due to frequent power outages. It is highly recommended to have a generator or an inverter to ensure the operation of security systems (alarms, cameras) during power cuts.
In neighborhoods popular with expatriates – Gigiri, Runda, Karen, Lavington, Muthaiga, Nyali on the coast – gated communities often offer centralized management of these issues (generators, drainage, security). But the cost follows, especially since 68% of expatriate families now request furnished houses with a pool and 24/7 security.
Heat, Humidity, Mold: How to Furnish Your Interior
The heat + humidity combination is the discreet nightmare of expatriates, particularly on the coast, but also in poorly ventilated Nairobi apartments. Textiles, furniture, paper, everything can quickly get covered in mold if air doesn’t circulate.
Concrete and accessible actions to adapt to climate change daily.
Prefer short showers, collect rainwater for the garden, and fix leaks quickly.
Consume local and seasonal products, and reduce meat consumption.
Prefer walking, cycling, or public transport for short trips.
Use fans, close shutters during the day, and improve your home’s insulation.
– prioritize furniture made of resistant materials (treated wood, metal) rather than thick fabrics everywhere;
– install ceiling fans rather than relying solely on air conditioning;
– air out daily, even briefly, to renew the air, combining mosquito nets and repellents;
– use, if necessary, moisture absorbers in the most affected rooms.
In cooler areas like Nanyuki or Eldoret, the opposite problem can appear: cold and damp interiors, particularly in the morning. There, proper glazing, thick curtains, and, if needed, small space heaters (while being cautious about electricity consumption) make the cooler seasons more bearable.
Health and Climate: Protecting Yourself in a Strained System
Kenya’s climate doesn’t just influence comfort; it directly impacts health, especially since the medical system is already under pressure.
Diseases Linked to Heat, Rains, and Drought
Warming and climate variability favor the progression of many diseases:
– malaria remains a major public health burden, endemic on the coast and in the Lake Victoria basin, and now more present in the highlands over the last twenty years;
– dengue and chikungunya see their “ecological window” widening with heat and rains;
– cholera and other diarrheal diseases explode after intense rains, when sanitation systems are overwhelmed;
– droughts, by restricting access to drinking water, increase the transmission of waterborne diseases and worsen malnutrition, especially in children.
Diarrheal diseases already account for about 15% of morbidity in children under five.
For an expatriate, these risks remain manageable with good preparation, but they require daily discipline: safe water, food hygiene, mosquito protection, up-to-date vaccinations, health insurance with evacuation coverage.
Healthcare System: Choosing Your Care Pathway Well
Kenya has made significant progress, but the healthcare system remains fragile, unevenly distributed, and sensitive to climate shocks. The country has a very limited number of doctors per capita (about 1 for every 10,000 people), mostly concentrated in major cities like Nairobi and Mombasa. A major flood, a cholera outbreak, or a sudden heatwave is enough to saturate already under-resourced facilities.
Expatriates in Kenya generally rely on the private sector, which is more expensive but better equipped. Recommended hospitals include Aga Khan University Hospital, Nairobi Hospital, and MP Shah in Nairobi, as well as Aga Khan and Mombasa Hospital in Mombasa. These facilities often have modern equipment and internationally trained doctors. A simple general practitioner consultation there costs between 2,000 and 5,000 KSh, excluding additional tests.
To adapt serenely to the health climate, several habits are essential:
– subscribe to international health insurance covering private care and, if possible, medical evacuation (to Nairobi, or even to South Africa for serious needs);
– register upon arrival with a trusted clinic or doctor in your city of residence;
– keep a basic medical kit at home (antimalarials if prescribed, oral rehydration salts, antiseptic, fever reducer, etc.);
– check your vaccinations: yellow fever (if coming from at-risk countries), hepatitis A and B, typhoid, tetanus, polio, and possibly meningitis and rabies depending on your profile.
Pharmacies (often called “chemists”) are numerous and well-stocked, especially in cities, but the risk of counterfeit drugs justifies prioritizing major chains or pharmacies attached to hospitals.
Mosquitoes, Water, Sun: Protecting Yourself from Classic Tropical Hazards
On the ground, most of Kenya’s climate-related health difficulties boil down to the same enemies: mosquitoes, contaminated water, intense sun. It’s against these that an expatriate must organize their daily life.
Managing the Risk of Malaria and Other Vector-Borne Diseases
Malaria is not a significant concern in Nairobi, but as soon as you travel to the coast, around Lake Victoria, or in some safari areas, the risk becomes very real. The rise in temperatures and episodes of heavy rains have also extended areas favorable to the anopheles mosquito, including in previously spared highland regions.
Basic measures remain the most effective:
– repellents containing DEET or equivalent, applied in the evening;
– long, light-colored, covering clothes from late afternoon in at-risk areas;
– insecticide-treated mosquito nets over beds, even in some hotels that don’t install them systematically;
– preventive antimalarial treatment if recommended by a specialist based on the region visited and length of stay.
The same barrier measures (like protection against mosquitoes) are partially effective in guarding against dengue, chikungunya, and the Zika virus, which are present in the country. It’s important to note that the precise geographic distribution of these diseases varies from year to year and region to region.
Drinking and Eating Without Getting Sick
Climate also affects food safety. Heavy rains can overwhelm sewer systems and contaminate water sources, while severe droughts multiply questionable water points. Add to this the sometimes approximate hygiene at some street stalls and the ambient heat which accelerates food spoilage.
Expatriates generally adopt a set of simple rules:
– only drink bottled or filtered/boiled water, including for ice cubes;
– avoid raw vegetables and unpeeled fruits in places with uncertain hygiene;
– prioritize reputable restaurants and serious hotels for buffets, especially during heatwaves;
– refrigerate leftovers very quickly and don’t keep them for several days.
In case of severe diarrhea, fever, or persistent symptoms, it’s important to consult a doctor quickly, as waterborne diseases can progress rapidly in a hot climate.
Protecting Yourself from the Sun, Even in Nairobi
The fact that Nairobi is at over 5,250 feet (1,600 meters) altitude shouldn’t be misleading: sunshine is strong and UV radiation intense. On the coast or in the parks, the combination of heat + UV + dehydration wreaks havoc, especially on unaccustomed skin.
Adopting basic habits helps limit sunburns, heatstroke, and dehydration:
– wear a wide-brimmed hat, good quality sunglasses, and light covering clothes;
– avoid intense physical activity during the hottest hours, especially near the equator;
– drink water regularly, even without feeling thirsty, prioritizing safe water;
– locate air-conditioned places (shopping malls, offices, cafes) for cool breaks in the city.
Many expatriates underestimate these constraints initially, especially thinking Nairobi is “cool”. The first explorations of the city and parks are often revealing.
Transportation, Security, and Climate: Getting Around Smartly
In Kenya, climate combines with the state of road infrastructure and security to complicate travel. Adapting the way you get around helps reduce both stress and risks.
Rain, Roads, and Traffic Jams: An Exhausting Trio
The heavy rains of March-June and October-November turn some roads into traps: hidden potholes, slippery surfaces, monstrous traffic jams. Nairobi is sadly famous for its traffic, which becomes almost uncontrollable during storms.
Many expatriates choose housing close to their workplace or their children’s schools to significantly reduce commute times. For example, living in Karen and working in Gigiri can mean over an hour of driving during rush hour, and even more in the rain. Road traffic is a major adaptation factor to consider when settling in.
In rural areas or on certain roads like the old airport road to Nairobi, conditions deteriorate quickly in rainy weather, with an increase in accidents and risks of carjacking on some stretches. Hence some common practices among expatriates:
– avoid driving at night as much as possible;
– use local drivers or ride-hailing services (Uber, Bolt) rather than the collective minibuses (matatus), known to be dangerous and poorly maintained;
– allow plenty of time for trips to the airport, especially during the peak rainy season.
Floods, Landslides, and Access to Services
Episodes of extreme rain can not only block roads but also cut off access to some essential services. Hospitals, already fragile, then become difficult to access for patients coming from flooded areas. Some regions in the north and the Rift are regularly affected by these phenomena.
For expatriates living or working in at-risk areas, it’s crucial to prepare an emergency plan in case of a severe weather event. This includes: identifying the most accessible hospital (public or private), creating reserves of water and food for several days, and closely following local alerts issued by the National Drought Management Authority or meteorological services.
Climate, Cost of Living, and Energy: What the Thermometer Does to Your Budget
Climate is also reflected in your bills. Heat and humidity increase electricity consumption (air conditioning, fridges, fans), droughts drive up the price of water and food, bad weather increases maintenance and security costs.
Water, Electricity, and Internet: Anticipating Variations
In Nairobi, electricity for a medium-sized apartment can be in a fairly wide range, from 2,000 to 10,000 KSh per month, depending notably on the use of air conditioning or supplemental heating. On the coast, the bill climbs quickly once the A/C runs regularly. Water, supplied by Nairobi City Water and Sewerage Company or its equivalents, can be rationed during droughts, forcing some households to buy water by truck.
Internet access in major cities like Nairobi is generally reliable thanks to dynamic competition among several providers (Safaricom, Zuku, Faiba, Telkom, Airtel). However, prolonged power outages can disrupt connections. It is therefore common for expatriate households to be equipped with inverters or batteries to cope with these interruptions.
Local vs. Imported Food: Climate on Your Plate
Kenya is a major agricultural country and product availability varies greatly depending on seasons and climate hazards. Severe droughts directly impact the prices of cereals, vegetables, or milk, while heavy rains sometimes affect fruit and vegetable harvests.
Expatriates notice a significant price gap between local and imported products. Imported items (European cheese, certain cereals or spreads) can significantly increase the budget, especially during crises disrupting supply chains. Prioritizing local products, which are fresher, more affordable, and more resilient to external shocks, is recommended.
Socially Adapting to a Climate Under Pressure
Climate doesn’t only affect weather and health. It also influences social life and community fabric. Countless Kenyans live directly from agriculture or pastoralism; droughts and floods destabilize livelihoods and push some to migrate towards cities or other regions. These movements sometimes fuel tensions and insecurity, especially in the arid zones of the north and east.
For an expatriate, integration involves understanding that local situations like water shortages, rising food prices, or social protests are often linked to an underlying climate crisis. This awareness allows for adopting respectful behavior (by avoiding ostentatious waste of water or electricity) and fostering more constructive dialogue with those around you.
Kenyans place great importance on the principle of “Harambee” – mutual aid, communal effort. In a context where climate multiplies shocks, this culture of local solidarity becomes a vital mechanism. For the expatriate, participating in it, even modestly (supporting associations, community initiatives, responsible behavior), is also a form of adaptation to the social climate.
Towards a Sustainable Move: Some Guidelines
Adapting to the climate in Kenya isn’t just about buying sunscreen and a fan. It’s a set of structural choices: city, neighborhood, type of housing, commuting habits, daily hygiene and health practices, relationship with the local community.
In practice, succeeding in your adaptation means:
For a successful expatriation in the tropics, it’s crucial to integrate the climate into all aspects of life. Prepare your move by avoiding the peak of the rainy season and anticipating vaccinations. Choose housing based on its orientation, ventilation, and safety from bad weather. Adopt an adapted lifestyle: consume safe water, protect yourself from the sun and mosquitoes, and get good health insurance. For your commutes, limit travel during rush hour, avoid driving at night, and prioritize reliable transportation. Accept climate variability (sudden rains, impassable roads) and adopt a degree of restraint in the use of water, electricity, and travel, out of respect for local constraints.
Kenya remains one of Africa’s most attractive countries for expatriates, with spectacular nature, a dynamic economy, and a largely English-speaking and welcoming population. Living there comfortably and long-term is entirely possible, provided you enter into a logic of active adaptation to the climate, rather than enduring it. The move then becomes a rich experience, where you learn as much about managing the seasons as you do about professional files, social relationships, and weekend discoveries on the coast or in the parks.
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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.
