Cotonou weather by month

Check out Cotonou weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Cotonou (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	88	90	90	90	88	84	82	82	84	86	88	88
Min temperature (night-time)	73	77	77	77	75	73	73	73	73	75	73	75
Heat & Humidity	H	VH	VH	VH	H	H	M	M	M	H	H	H
Sea temperature	81	82	82	84	84	82	77	77	79	81	82	82

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Cotonou

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	7	7	7	7	7	5	4	4	5	7	8	7
Daily hours of daylight	12	12	12	12	12	12	12	12	12	12	12	12
UV Index (Maximum)	11	11	11	11	11	11	11	11	11	11	11	10

Rainfall in Cotonou

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	1	3	6	10	14	18	12	9	11	11	5	2
Average monthly rainfall (inches)	0.6	1.6	3.3	5.3	7.8	12.6	5.4	2.5	4.4	5.2	1.9	0.8

More about Cotonou

Cotonou by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Benin (Cotonou) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Cotonou?

Cotonou has a hot tropical climate with a winter dry season.

Cotonou weather in January

Expect daytime maximum temperatures of 88°F in Cotonou, Benin in January and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average.

88
88°F max day temperature
7
7 hours of sunshine per day
1
1 day with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
0.6
0.6 inches of monthly rainfall
11
11 (Extreme) UV index
81
81°F sea temperature

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Cotonou weather in February

Expect daytime maximum temperatures of 90°F in Cotonou, Benin in February and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 1.6 inches of rainfall in the month.

90
90°F max day temperature
7
7 hours of sunshine per day
3
3 days with some rainfall
77
77°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
1.6
1.6 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

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Cotonou weather in March

Expect daytime maximum temperatures of 90°F in Cotonou, Benin in March and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.3 inches of rainfall in the month.

90
90°F max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
77
77°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
3.3
3.3 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

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Cotonou weather in April

Expect daytime maximum temperatures of 90°F in Cotonou, Benin in April and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 5.3 inches of rainfall in the month.

90
90°F max day temperature
7
7 hours of sunshine per day
10
10 days with some rainfall
77
77°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
5.3
5.3 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

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Cotonou weather in May

Expect daytime maximum temperatures of 88°F in Cotonou, Benin in May and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 7.8 inches of rainfall in the month.

88
88°F max day temperature
7
7 hours of sunshine per day
14
14 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
7.8
7.8 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

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Cotonou weather in June

Expect daytime maximum temperatures of 84°F in Cotonou, Benin in June and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 12.6 inches of rainfall in the month.

84
84°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
12.6
12.6 inches of monthly rainfall
11
11 (Extreme) UV index
82
82°F sea temperature

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Cotonou weather in July

Expect daytime maximum temperatures of 82°F in Cotonou, Benin in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 12 days with some rainfall and typically 5.4 inches of rainfall in the month.

82
82°F max day temperature
4
4 hours of sunshine per day
12
12 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
5.4
5.4 inches of monthly rainfall
11
11 (Extreme) UV index
77
77°F sea temperature

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Cotonou weather in August

Expect daytime maximum temperatures of 82°F in Cotonou, Benin in August based on long-term weather averages. There are 4 hours of sunshine per day on average with typically 2.5 inches of rainfall in the month.

82
82°F max day temperature
4
4 hours of sunshine per day
9
9 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
2.5
2.5 inches of monthly rainfall
11
11+ (Extreme) UV index
77
77°F sea temperature

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Cotonou weather in September

Expect daytime maximum temperatures of 84°F in Cotonou, Benin in September and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 4.4 inches of rainfall in the month.

84
84°F max day temperature
5
5 hours of sunshine per day
11
11 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
4.4
4.4 inches of monthly rainfall
11
11+ (Extreme) UV index
79
79°F sea temperature

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Cotonou weather in October

Expect daytime maximum temperatures of 86°F in Cotonou, Benin in October and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 5.2 inches of rainfall in the month.

86
86°F max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
5.2
5.2 inches of monthly rainfall
11
11+ (Extreme) UV index
81
81°F sea temperature

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Cotonou weather in November

Expect daytime maximum temperatures of 88°F in Cotonou, Benin in November and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.

88
88°F max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
1.9
1.9 inches of monthly rainfall
11
11 (Extreme) UV index
82
82°F sea temperature

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Cotonou weather in December

Expect daytime maximum temperatures of 88°F in Cotonou, Benin in December and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average.

88
88°F max day temperature
7
7 hours of sunshine per day
2
2 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
0.8
0.8 inches of monthly rainfall
10
10 (Very High) UV index
82
82°F sea temperature

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