Average annual temperature is 26.5 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 211 days
Number of rainy days: 154 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) | 35.9 | 36.9 | 38.0 | 37.9 | 37.3 | 34.4 | 33.7 | 32.5 | 35.5 | 36.2 | 36.1 | 35.4 |
| Average daytime temperature (°C) | 32.8 | 34.5 | 36.2 | 36.2 | 34.8 | 31.6 | 31.3 | 29.8 | 31.2 | 33.8 | 34.9 | 33.5 |
| Average temperature (°C) | 24.5 | 26.4 | 28.4 | 29.0 | 28.1 | 26.1 | 25.6 | 24.6 | 25.5 | 26.7 | 27.4 | 25.2 |
| Average night temperature (°C) | 18.2 | 20.1 | 22.9 | 23.9 | 23.6 | 22.5 | 22.2 | 21.6 | 21.8 | 22.0 | 21.6 | 18.7 |
| Absolute minimum temperature (°C) | 15.6 | 17.8 | 19.1 | 22.9 | 22.5 | 21.5 | 21.5 | 20.7 | 20.6 | 20.8 | 18.9 | 16.7 |
| 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 | 11.5 |
| 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) | 10.0 | 9.9 | 9.2 | 9.7 | 9.6 | 7.9 | 8.3 | 7.0 | 7.7 | 9.6 | 10.6 | 10.5 |
| Precipitation (mm) | 0 | 0 | 44 | 20 | 52 | 103 | 156 | 317 | 96 | 50 | 5 | 0 |
| Sunny days | 31 | 27 | 24 | 26 | 13 | 3 | 4 | 3 | 5 | 18 | 26 | 31 |
| Rainy days | 0 | 1 | 7 | 4 | 18 | 27 | 27 | 28 | 25 | 13 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sérou is at