Cotonou Climate by Month
The weather in Cotonou is characterized by a steady average temperature throughout the year.
It also experiences much rainfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The temperature in Cotonou remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 31°C in March. In August, the coolest month of the year, temperatures drop to a comfortable 27°C. At night, expect cooler temperatures, averaging 24°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Cotonou has a relatively rainy climate with high precipitation levels, averaging 1277 mm of rainfall annually. Cotonou can be quite wet during June, receiving approximately 259 mm of precipitation over 18 rainy days. In contrast January, experiences much drier conditions, with 29 mm of rainfall, spread across a single rainy day.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Cotonou can be enjoyed more throughout the sunniest month of November under a blue sky, with approximately 8.2 hours of sunshine daily. In contrast, the city experiences much darker days in July, with only 4.5 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Cotonou ranges from 24°C in August to 29°C in April.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Cotonou.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Cotonou ranges from 3°C in December to 6°C in July.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Cotonou in Benin
The best time to visit is during the drier months: January, February and December.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in May and June.
March has an average maximum temperature of 31°C and is the hottest month of the year.
The coolest month is August with an average maximum temperature of 27°C.
June tops the wettest month list with 259 mm of rainfall.
January is the driest month with 29 mm of precipitation.
November is the sunniest month with an average of 245 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
