Mombasa weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: October – February
What is the weather like in Mombasa in August?
In August, Mombasa is warm: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.5 °C – pleasant for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 20 days, totalling 59 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Mombasa.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 77 | 77 | 78 |
| Day | 27° | 27° | 28° |
| Night | 22° | 22° | 23° |
| Sea | 26° | 26° | 26° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 20 | 20 | 18 |
More details for August
- Daylight
- 11 h 59 min06:27 – 18:26
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 20 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Africa/Nairobi
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Mombasa in August: quick answers
Is Mombasa hot in August?
Warm rather than hot: in August, daytime highs in Mombasa average 27 °C and nights cool to about 22 °C.
Can you swim in Mombasa in August?
Yes. In August the sea averages 25.5 °C – pleasant for swimming.
Does it rain much in Mombasa in August?
It rains often – on about 20 days, adding up to 59 mm.
Mombasa month by month
The whole year in MombasaAll destinations: Kenya
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)