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When is the best time to visit Cotonou?
In general the best time to visit Cotonou is probably April, when the weather is usually great. The hottest months are February, March, April, while the coldest months are July, August, September.
But ultimately the best time to visit depends on what you want to do:
- The best time for a sunbathing holiday is February, March, April. Average maximum temperatures are up to +30°C in April and it has 0 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is July, August, September with the lowest chance of rain.
Average weather in Cotonou in different months
This is the average weather in Cotonou for each month based on historic data:
January, December usually has good weather. Average maximum temperature reaches +29°C during January.
In February, March, April, May, June, July, August, September, October, November the weather is average. Expect around 201 rainy days, and the precipitation amounts to approximately 263 mm in June.
Climate in Cotonou
Here is the detailed breakdown of the climate in Cotonou for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +33°C | +33°C | +32°C | +32°C | +32°C | +31°C | +29°C | +29°C | +30°C | +31°C | +32°C | +32°C |
| Average Maximum Temperature | |||||||||||
| +29°C | +30°C | +30°C | +30°C | +29°C | +28°C | +27°C | +26°C | +27°C | +28°C | +29°C | +29°C |
| Minimum Temperature | |||||||||||
| +21°C | +22°C | +24°C | +24°C | +23°C | +23°C | +22°C | +22°C | +23°C | +23°C | +24°C | +22°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 83 | 85 | 84 | 84 | 83 | 85 | 86 | 88 | 87 | 85 | 83 | 83 |
| Rain, mm | |||||||||||
| 19 | 27 | 54 | 74 | 164 | 263 | 139 | 80 | 111 | 109 | 50 | 27 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 3 | 4 | 4 | 4 | 3 | 3 | 4 | 5 | 4 | 3 | 3 | 3 |
| Sunny Days | |||||||||||
| 6 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
| Cloud Days | |||||||||||
| 10 | 8 | 7 | 5 | 2 | 1 | 4 | 8 | 4 | 2 | 3 | 7 |
| Rainy Days | |||||||||||
| 13 | 14 | 18 | 18 | 21 | 24 | 25 | 22 | 21 | 18 | 20 | 16 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Cotonou during the whole year:
The hottest month in Cotonou is April with average maximum temperature going up to +30°C. The coldest month is August with the lowest temperatures of +24°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Cotonou looks throughout the year, in %:
The most humid month in Cotonou is August with average humidity going up to 88%. The least humid month is January with an average humidity of 83%.
Rain
Amount of rainfall in mm. in Cotonou during the whole year based on historical data:
The sunniest and driest month is December with approximately 7 sunny days and a total precipitation of around 27 mm. The rainiest and wettest month is June with approximately 24 rainy days and 263 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Cotonou:
What is the hottest month in Cotonou?
The hottest month in Cotonou is April with average maximum temperature of +30°C.
What is the coldest month in Cotonou?
The coldest month in Cotonou is August with minimum temperatures of +24°C.
Is Cotonou worth visiting in winter?
If you are planning to visit Cotonou in winter you can expect pretty good weather. The best month is April with +30°C and 0 sunny days.
When does it rain the least in Cotonou?
if you're looking to visit Cotonou when it rains the least, you should plan your trip for June, May, July. During this time, rainfall is rare with the driest month being January with only 19 mm of rain.
Monthly weather in Cotonou
Source of the data
For this page, we’ve looked at the typical weather in Cotonou, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.