Cotonou weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: December – February
What is the weather like in Cotonou in December?
In December, Cotonou is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 35 mm in total. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Cotonou.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 54 | 65 | 65 |
| Day | 29° | 29° | 30° |
| Night | 26° | 26° | 26° |
| Sun | 8 h | 7 h | 6 h |
| Rain days | 19 | 11 | 8 |
More details for December
- Daylight
- 11 h 45 min06:53 – 18:38
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 41 %on averageAll months
- Hot days
- 7 days30 °C or moreAll months
- Time zone
- UTC+1Africa/Porto-Novo
How the score comes together
- Temperatureweight 50 %70 %
- Sunshineweight 20 %68 %
- Few rainy daysweight 30 %54 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Cotonou in December: quick answers
Is Cotonou hot in December?
Yes. In December, Cotonou is hot: daytime highs average 29 °C and nights stay around 26 °C. On about 7 days the thermometer climbs to 30 °C or more.
Does it rain much in Cotonou in December?
Rain is frequent, with about 11 rainy days and 35 mm in total.
Cotonou month by month
The whole year in CotonouAll destinations: BeninWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences