When to visit
Mombasa?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Mombasa
Mombasa County · Kenya

The best weather in Mombasa is from July, August, September.consistent weather climate

Climate score
September
83

Excellent climate

☀️Pleasant

Temperature
23–27°C
Hot nights — A/C advised
Feels like
26–31°C
Humid
Precipitation
70mm
Light drizzle · 21 days
Sunshine
11.1h
Partly cloudy
Humidity (%)
80%
Humid
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
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Monthly Overview
Score797967515778808383786766
ClimateHot & dryHot & dryHot & dryHot & rainyHot & rainyHumidHumidPleasantPleasantHot & dryHot & rainyHot & rainy
Temperature25–30°C25–31°C26–31°C25–29°C25–28°C24–27°C23–26°C23–27°C23–27°C24–28°C24–29°C25–30°C
Feels like30–35°C30–36°C31–36°C29–34°C28–31°C26–29°C25–28°C25–29°C26–31°C28–33°C29–35°C30–36°C
Precipitation36mm
8 days
22mm
7 days
78mm
15 days
254mm
30 days
250mm
30 days
97mm
23 days
83mm
24 days
65mm
23 days
70mm
21 days
93mm
22 days
130mm
25 days
110mm
18 days
Sunshine11.3h
☀︎ 91%
11.3h
☀︎ 93%
10.9h
☀︎ 90%
8.1h
☀︎ 67%
8.7h
☀︎ 73%
10.4h
☀︎ 88%
10.6h
☀︎ 89%
10.8h
☀︎ 90%
11.1h
☀︎ 92%
11.4h
☀︎ 93%
11.3h
☀︎ 92%
11.6h
☀︎ 94%
WindNE · 21 km/hNE · 20 km/hE · 18 km/hS · 20 km/hS · 23 km/hS · 25 km/hS · 24 km/hS · 21 km/hS · 20 km/hS · 18 km/hSE · 15 km/hNE · 17 km/h
Humidity (%)78%78%79%83%82%79%79%80%80%81%84%82%
Day length12.3h12.2h12.1h12.0h11.9h11.9h11.9h12.0h12.1h12.2h12.3h12.4h
Events & Festivals
JanFebMarAprMayJunJulAugSepOctNovDec
Mombasa Carnival
Mombasa Marathon
Events & Festivals
  • Mombasa Carnivalfestival
    November· 5k+ visitors

    This colorful street parade celebrates the diverse cultures of Kenya's coast, with dancers, musicians, and decorated flo…

  • Mombasa Marathonsports
    August· 5k+ visitors

    Runners from Kenya and abroad take on this coastal road race, which winds along Mombasa's streets and out toward the bea…

The story of the seasons in Mombasa

Mombasa is swarmed at its absolute stickiest: holiday crowds descend in November and December amid muggy downpours, entirely missing the cool, wind-scrubbed clarity of July through September.

Centuries of maritime trade hang over Mombasa like a briny perfume. Along the winding coral-stone alleys of Old Town, carved wooden doors open to the scent of cardamom, roasting coffee, and frying street cassava, while the Indian Ocean crashes rhythmically against the stone ramparts of Fort Jesus. The Central Business District wears an intentional uniform of white and ocean blue, but this is a tropical city with a hard, relentless sun. How Mombasa treats you depends entirely on whether the ocean winds are your ally or whether the humidity has you pinned to the nearest shade.

The Kusi winds and the cool coastal sweet spot

If you want to understand why merchants and sailors fell in love with this coast a thousand years ago, arrive between July and September. This is the coolest, crispiest stretch of the year. The southern trade winds blow steadily off the Indian Ocean, stripping the humidity out of the air and keeping midday temperatures genuinely comfortable.

You can walk through Old Town at noon without drenching your linen shirt, stopping to admire the ancient ogee minaret of Mandhry Mosque or browsing fruit stalls along the harbour edge. Beachfronts like Nyali Beach and Bamburi Beach are at their finest: firm white sands, clear surf, and a distinct lack of the suffocating coastal haze that defines the summer.

In August, the Mombasa Marathon winds through the city streets and out toward the beach avenues, taking advantage of the year's dry footing and brisk morning air. Crowds are surprisingly light throughout these months, making it the undeniable prime window for exploring both the stone labyrinth and the reefs.

The festive deluge and peak humidity

October marks the onset of the transition, as the wind drops and the temperature climbs back into sweltering territory. By November, the city reaches peak congestion. The Mombasa Carnival brings vibrant dancers, percussionists, and costumed floats rolling down the central avenues in a celebration of coastal heritage, drawing packed crowds into the urban core.

Yet this is also the most challenging time to visit. November and December are sodden, heavy, and thick with humidity that makes the air feel like thirty-six degrees. Thunderstorms interrupt beach plans with little warning, turning the unpaved side streets into red mud and trapping heat under low gray cloud decks.

Domestic and international holidaymakers flood the resorts in December, paying top-tier rates for the privilege of sweating through their clothes before breakfast. If your priority is comfortable sightseeing or uninterrupted beach lounging, arriving during this peak season is an expensive mistake.

The dry furnace and glowing turquoise seas

January and February bring searing heat, but unlike the damp mess of late autumn, the skies clear out to a vivid, empty blue. The ocean calms into a glass sheet, making this the best stretch for sailing dhows, scuba diving over outer reefs, and lounging along Nyali Beach under the shade of coastal palms.

The trade-off is the sheer thermal weight of midday. Between eleven in the morning and four in the afternoon, the sun hammers down mercilessly, bouncing off the white walls and scorching the pavements. Walking the battlements of Fort Jesus in the middle of a February afternoon requires a gallon of water and sheer determination.

By March, the heat peaks and the atmosphere turns heavy again, thick with moisture signalling the imminent turn of the monsoon. Life slows to an absolute crawl; businesses take long midday pauses, and anyone with sense stays indoors under a ceiling fan until the sun dips behind the mainland.

The monsoon deluge and the June transition

April and May bring the long rains, and when it rains in Mombasa, it does not negotiate. Torrential downpours drench the coast daily, dumping hundreds of millimetres of water that overwhelm municipal drains and churn the turquoise shoreline into a murky brown stew.

Humidity hangs at near-saturation levels, laundry refuses to dry, and many coastal excursions shut down entirely. It is a brooding, introspective time for the city, but thoroughly impractical for a holiday.

Relief begins in June. The heavy cloud curtains tear open, the drenching storms subside into brief coastal showers, and the temperature drops sharply. By late June, the breezes pick up and the city shakes off two months of waterlogging, offering a quiet, budget-friendly prelude to the crisp glory of July.

Frequently asked questions

What is the best time to visit Mombasa?

The best time to visit Mombasa is August, September, January, February, June, October, July, with temperatures between 23 °C and 31 °C. The best month is August. August is low season.

What is the weather like in Mombasa?

Mombasa has a Tropical climate with an overall score of 7.2/10. Annual temperatures range from 23 °C to 31 °C.

What is the hottest month in Mombasa?

The hottest month in Mombasa is February, with average highs of 31 °C and lows of 25 °C.

What is the rainiest month in Mombasa?

The rainiest month in Mombasa is April, with an average of 254 mm of precipitation.