Average annual temperature is 26.2 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Déwa
* Weather data for Déwa 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) | 36.3 | 37.7 | 38.6 | 38.1 | 36.1 | 31.9 | 30.9 | 30.5 | 32.1 | 35.1 | 34.8 | 35.2 |
| Average daytime temperature (°C) | 33.8 | 35.7 | 35.3 | 35.3 | 33.2 | 29.6 | 29.2 | 28.2 | 29.2 | 31.8 | 33.6 | 33.3 |
| Average temperature (°C) | 26.3 | 28.3 | 28.5 | 28.7 | 27.3 | 25.0 | 24.7 | 24.0 | 24.5 | 25.8 | 26.9 | 25.2 |
| Average night temperature (°C) | 19.4 | 21.1 | 22.9 | 23.6 | 23.1 | 21.9 | 21.6 | 21.4 | 21.3 | 21.6 | 21.0 | 18.4 |
| Absolute minimum temperature (°C) | 16.7 | 18.8 | 19.8 | 22.4 | 22.1 | 20.9 | 21.0 | 20.7 | 20.1 | 20.3 | 18.2 | 16.3 |
| 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) | 10.1 | 10.0 | 9.2 | 9.4 | 9.8 | 8.6 | 8.8 | 7.7 | 8.3 | 9.6 | 10.6 | 10.4 |
| Precipitation (mm) | 0 | 1 | 29 | 31 | 101 | 151 | 173 | 322 | 168 | 97 | 15 | 0 |
| Sunny days | 31 | 26 | 21 | 16 | 7 | 1 | 1 | 0 | 0 | 15 | 21 | 31 |
| Rainy days | 0 | 2 | 10 | 14 | 24 | 29 | 30 | 31 | 30 | 16 | 9 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Déwa is at