Mombasa weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: October – February
What is the weather like in Mombasa in December?
In December, Mombasa is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. It is the rainy season: rain falls on about 14 days, totalling 61 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Mombasa.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 79 | 85 | 94 |
| Day | 30° | 31° | 32° |
| Night | 24° | 24° | 25° |
| Sea | 28° | 28° | 28° |
| Sun | 9 h | 9 h | 9 h |
| Rain days | 18 | 14 | 5 |
More details for December
- Daylight
- 12 h 21 min06:06 – 18:27
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 49 %on average
- Hot days
- 27 days30 °C or more
- Time zone
- UTC+3Africa/Nairobi
How the score comes together
- Temperatureweight 35 %99 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %26 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Mombasa in December: quick answers
Is Mombasa hot in December?
Yes. In December, Mombasa is hot: daytime highs average 31 °C and nights stay around 24 °C. On about 27 days the thermometer climbs to 30 °C or more.
Can you swim in Mombasa in December?
Yes. In December the sea averages 28.1 °C – lovely and warm for swimming.
Does it rain much in Mombasa in December?
It rains often – on about 14 days, adding up to 61 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)