Monthly weather forecast and climate
Cotonou, Benin

How many days does it rain in Cotonou?

Throughout the year, in Cotonou, Benin, there are 75 rainfall days, and 1308.3mm (51.5") of precipitation is accumulated.

What is the driest month in Cotonou?

The month with the least rainfall is January when the rain falls for 1 days and typically collects 9.2mm (0.4") of precipitation.

What is the warmest month in Cotonou?

March is the warmest month, with an average high-temperature of 31.9°C (89.4°F) and an average low-temperature of 25.9°C (78.6°F).

What months are the sea warmest in Cotonou?

Months with the warmest seawater in Cotonou, Benin, are March through May and November, with an average sea temperature of 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the wettest month in Cotonou?

The month with the most rainfall is June when the rain falls for 15 days and typically aggregates up to 356mm (14") of precipitation.

What is the coldest month in Cotonou?

August is the coldest month, with an average high-temperature of 27.8°C (82°F) and an average low-temperature of 23.4°C (74.1°F).

What is the month with the coldest sea water in Cotonou?

With an average sea temperature of 25°C (77°F), August is the month with the coldest seawater. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
Average temperature - Cotonou, Benin
Average humidity - Cotonou, Benin
Average rainfall - Cotonou, Benin

The wettest month (with the highest rainfall) is June (356mm).
The driest month (with the lowest rainfall) is January (9.2mm).

Average rainfall days - Cotonou, Benin
Average sea temperature - Cotonou, Benin

Best months for swimming (with the highest average sea temperature) are March, April, May and November (29°C).
The coldest month (with the lowest average sea temperature) is August (25°C).

Average daylight / Average sunshine - Cotonou, Benin

Months with the longest days are June and July (Average daylight: 12.5h).
Months with shortest days are January, November and December (Average daylight: 11.8h).

The month with most sunshine is November (Average sunshine: 8.1h).
The month with least sunshine is July (Average sunshine: 4.4h).

Average UV index - Cotonou, Benin

Months with the highest UV index are February, March, April, May, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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