Average annual temperature is 25.9 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 209 days
Number of rainy days: 156 days
Look at detailed online map of Sérou
* Weather data for Sérou Benin is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.2 | 36.2 | 37.1 | 37.2 | 36.7 | 34.8 | 33.0 | 31.9 | 34.6 | 35.2 | 35.0 | 34.1 |
| Average daytime temperature (°C) | 32.1 | 33.6 | 35.0 | 35.1 | 34.2 | 31.4 | 30.3 | 28.8 | 30.5 | 32.8 | 33.8 | 32.6 |
| Average temperature (°C) | 24.4 | 26.0 | 27.7 | 28.1 | 27.5 | 25.4 | 24.9 | 24.0 | 24.8 | 26.1 | 26.9 | 25.0 |
| Average night temperature (°C) | 18.5 | 20.0 | 22.3 | 23.0 | 23.0 | 21.8 | 21.6 | 21.1 | 21.1 | 21.4 | 21.4 | 18.9 |
| Absolute minimum temperature (°C) | 15.9 | 17.2 | 19.6 | 21.6 | 22.0 | 20.9 | 20.8 | 20.5 | 20.4 | 19.9 | 18.9 | 16.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 9.9 | 9.2 | 9.4 | 9.7 | 8.7 | 8.5 | 6.9 | 8.1 | 9.7 | 10.7 | 10.6 |
| Precipitation (mm) | 0 | 0 | 8 | 40 | 51 | 108 | 126 | 214 | 132 | 30 | 1 | 0 |
| Sunny days | 31 | 28 | 26 | 24 | 16 | 3 | 0 | 2 | 3 | 19 | 26 | 31 |
| Rainy days | 0 | 0 | 5 | 6 | 15 | 27 | 31 | 29 | 27 | 12 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sérou is at