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Weather in Cotonou for May 2026

Your guide to Cotonou weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Cotonou has been nearly identical to the historical average, with a temperature of 29.9 °C (showing only a slight deviation of -0.5 °C).

  • The forecast for the next days in Cotonou predicts temperatures to be around 29 °C, close to the historical average.

  • In general, the average temperature in Cotonou at the beginning of May is 30.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.7 °C by the end of May.

    • Rain 🌧️

  • Cotonou experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 134.6 mm.

Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/27°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Cotonou Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain at times
30°
2
Thundery outbreaks possible
30°
3
Moderate rain at times
30°
4
Patchy rain possible
30°
5
Patchy rain possible
31°
6
Patchy rain possible
30°
7
Patchy rain possible
30°
8
Patchy rain possible
30°
9
Thundery outbreaks possible
31°
10
Patchy rain possible
31°
11
Patchy rain possible
30°
12
Patchy rain possible
31°
13
Heavy rain at times
31°
14
Thundery outbreaks possible
30°
15
Moderate or heavy rain shower
30°
16
Patchy rain possible
31°
17
Patchy rain possible
31°
18
Moderate or heavy rain shower
30°
19
Patchy rain possible
30°
20
Moderate rain at times
30°
21
Patchy rain possible
30°
22
Heavy rain
29°
23
Moderate rain
29°
24
Patchy rain possible
29°
25
Moderate rain
28°
26
Patchy rain possible
29°
27
Moderate rain
27°
28
Patchy rain possible
30°
29
Patchy rain possible
30°
30
Patchy rain possible
29°
31
Patchy rain possible
28°

Temperatures trend during May in Cotonou

See the weather trend as well as the moving average line

May weather in Cotonou day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate rain at times
Moderate rain at times
 30° /27° 2.6 mm 8
2 May Thundery outbreaks possible
Thundery outbreaks possible
 30° /27° 2.6 mm 8
3 May Moderate rain at times
Moderate rain at times
 30° /27° 1.3 mm 8
4 May Patchy rain possible
Patchy rain possible
 30° /27° 1.8 mm 8
5 May Patchy rain possible
Patchy rain possible
 31° /27° 0.5 mm 8
6 May Patchy rain possible
Patchy rain possible
 30° /27° 2.9 mm 7
7 May Patchy rain possible
Patchy rain possible
 30° /27° 1.1 mm 7
8 May Patchy rain possible
Patchy rain possible
 30° /27° 2.6 mm 7
9 May Thundery outbreaks possible
Thundery outbreaks possible
 31° /27° 2.1 mm 7
10 May Patchy rain possible
Patchy rain possible
 31° /27° 0.5 mm 7
11 May Patchy rain possible
Patchy rain possible
 30° /27° 2.4 mm 8
12 May Patchy rain possible
Patchy rain possible
 31° /27° 3 mm 8
13 May Heavy rain at times
Heavy rain at times
 31° /27° 1.4 mm 8
14 May Thundery outbreaks possible
Thundery outbreaks possible
 30° /28° 4.4 mm 7
15 May Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /26° 30 mm 6
16 May Patchy rain possible
Patchy rain possible
 31° /27° 1 mm 7
17 May Patchy rain possible
Patchy rain possible
 31° /26° 9.4 mm 7
18 May Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /26° 11.5 mm 7
19 May Patchy rain possible
Patchy rain possible
 30° /27° 4.9 mm 6
20 May Moderate rain at times
Moderate rain at times
 30° /27° 4 mm 7
21 May Patchy rain possible
Patchy rain possible
 30° /27° 2.1 mm 7
22 May Heavy rain
Heavy rain
 29° /26° 21.7 mm 10.5
23 May Moderate rain
Moderate rain
 29° /27° 7.7 mm 10.1
24 May Patchy rain possible
Patchy rain possible
 29° /27° 3.5 mm 9.1
25 May Moderate rain
Moderate rain
 28° /25° 18.2 mm 3.7
26 May Patchy rain possible
Patchy rain possible
 29° /26° 3.2 mm 7.4
27 May Moderate rain
Moderate rain
 27° /26° 18.5 mm 6
28 May Patchy rain possible
Patchy rain possible
 30° /27° 3.6 mm 6
29 May Patchy rain possible
Patchy rain possible
 30° /27° 0.3 mm 6
30 May Patchy rain possible
Patchy rain possible
 29° /27° 0.5 mm 6
31 May Patchy rain possible
Patchy rain possible
 28° /25° 1.7 mm 6
Next
Important Notice
Our weather forecast for Cotonou in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cotonou forecast closer to your planned date for the most up-to-date weather information.
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Cotonou in May - FAQ

What are the expected maximum and minimum temperatures in Cotonou during May?

During May, expect a variety of temperatures with highs around 30° and lows near 27°, suitable for diverse activities and preferences.

How much rainfall should be expected in Cotonou during May?

Significant rainfall exceeding 134.6 mm is expected in Cotonou during May, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Cotonou during May?

The average wind speed in Cotonou during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Cotonou

Explore the daily rainfall trends and prepare for Cotonous May weather 💧
Typically, Cotonou has 24 rainy days in May with a total of 134.6 mm of rainfall.

UV exposure in Cotonou during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Get accurate weather forecasts for Cotonou, located at latitude 6.365 and longitude 2.418. Stay updated with localized weather information tailored for Cotonou.

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