Cotonou weather in December
December is one of the best months to visit Cotonou: highs of 30°C (85°F) and about 20 mm (0.8 in) of rain on average. Nights average 24°C (75°F) and cloud cover 35% (NASA POWER, 2001–2025 averages). It is the driest month of the year and the 4th warmest. Compared with November, it is warmer and drier; January brings highs of 30°C (86°F) and 20 mm (0.8 in) of rain.
Is December a good time to visit Cotonou?
best month Weather score 90/100.
Yes. December is one of the best months for weather in Cotonou.
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Does it rain a lot in Cotonou in December?
No, it is usually dry: about 20 mm (0.8 in) falls in an average December. It is the driest month of the year.
How warm is Cotonou in December?
Days average 30°C (85°F) and nights 24°C (75°F).
Cotonou weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 30°C (86°F) | 23°C (74°F) | 20 mm | 37% | best |
| February | 30°C (86°F) | 25°C (77°F) | 32 mm | 51% | best |
| March | 30°C (86°F) | 26°C (78°F) | 78 mm | 68% | fair |
| April | 29°C (85°F) | 26°C (78°F) | 119 mm | 73% | fair |
| May | 29°C (84°F) | 25°C (78°F) | 174 mm | 74% | least pleasant |
| June | 28°C (82°F) | 24°C (76°F) | 216 mm | 77% | least pleasant |
| July | 27°C (80°F) | 23°C (74°F) | 165 mm | 78% | least pleasant |
| August | 27°C (80°F) | 23°C (73°F) | 93 mm | 73% | fair |
| September | 27°C (81°F) | 23°C (74°F) | 198 mm | 76% | least pleasant |
| October | 28°C (82°F) | 24°C (75°F) | 172 mm | 68% | least pleasant |
| November | 29°C (84°F) | 25°C (76°F) | 55 mm | 50% | best |
| December | 30°C (85°F) | 24°C (75°F) | 20 mm | 35% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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