Average annual temperature is 26.6 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Sourou
* Weather data for Sourou 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) | 36.9 | 38.0 | 38.9 | 38.6 | 36.3 | 34.0 | 32.9 | 31.4 | 34.2 | 35.9 | 35.9 | 36.2 |
| Average daytime temperature (°C) | 34.5 | 36.4 | 36.3 | 35.7 | 34.0 | 30.9 | 30.5 | 29.4 | 30.5 | 32.6 | 34.6 | 34.6 |
| Average temperature (°C) | 26.2 | 28.2 | 28.8 | 28.8 | 27.7 | 25.6 | 25.2 | 24.5 | 25.0 | 26.4 | 27.5 | 26.1 |
| Average night temperature (°C) | 19.3 | 21.3 | 23.3 | 23.7 | 23.4 | 22.3 | 22.0 | 21.6 | 21.6 | 22.0 | 21.6 | 19.1 |
| Absolute minimum temperature (°C) | 16.6 | 18.8 | 21.1 | 22.0 | 22.0 | 21.5 | 21.1 | 20.8 | 20.4 | 20.8 | 19.1 | 17.3 |
| 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) | 10.0 | 9.9 | 9.2 | 8.9 | 9.6 | 8.4 | 7.9 | 6.6 | 7.9 | 9.0 | 10.6 | 10.5 |
| Precipitation (mm) | 0 | 0 | 43 | 35 | 107 | 111 | 161 | 193 | 135 | 48 | 2 | 0 |
| Sunny days | 31 | 28 | 20 | 17 | 9 | 3 | 0 | 0 | 2 | 14 | 25 | 31 |
| Rainy days | 0 | 0 | 11 | 13 | 22 | 27 | 31 | 31 | 28 | 17 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sourou is at