Average annual temperature is 28.5 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Dérou
* Weather data for Dérou 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 | 38.9 | 40.8 | 40.9 | 40.9 | 37.0 | 35.7 | 31.7 | 34.2 | 36.6 | 36.7 | 36.3 |
| Average daytime temperature (°C) | 33.3 | 36.2 | 38.5 | 39.1 | 37.3 | 32.9 | 32.4 | 29.3 | 30.8 | 33.6 | 35.8 | 33.6 |
| Average temperature (°C) | 25.9 | 28.9 | 31.7 | 32.8 | 31.3 | 28.3 | 27.4 | 25.4 | 26.6 | 28.0 | 29.3 | 26.2 |
| Average night temperature (°C) | 19.6 | 22.3 | 25.2 | 26.7 | 26.3 | 24.4 | 23.9 | 22.7 | 23.1 | 23.3 | 23.2 | 19.9 |
| Absolute minimum temperature (°C) | 16.4 | 18.9 | 22.2 | 23.4 | 24.1 | 22.7 | 22.5 | 22.0 | 21.5 | 21.6 | 20.7 | 17.1 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.1 | 10.2 | 9.7 | 10.1 | 9.9 | 10.2 | 9.0 | 7.8 | 8.8 | 10.1 | 10.7 | 10.4 |
| Precipitation (mm) | 0 | 0 | 13 | 1 | 46 | 98 | 146 | 229 | 110 | 52 | 6 | 0 |
| Sunny days | 31 | 28 | 28 | 24 | 15 | 11 | 4 | 2 | 8 | 26 | 27 | 31 |
| Rainy days | 0 | 0 | 3 | 6 | 16 | 19 | 27 | 29 | 22 | 5 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dérou is at