Average annual temperature is 27.1 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 146 days
Number of rainy days: 219 days
Look at detailed online map of Décomè
* Weather data for Décomè 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) | 38.1 | 39.1 | 38.7 | 38.2 | 37.3 | 35.0 | 33.1 | 32.4 | 33.0 | 34.8 | 35.4 | 36.0 |
| Average daytime temperature (°C) | 35.6 | 37.4 | 36.3 | 35.1 | 34.6 | 31.5 | 30.6 | 30.4 | 30.7 | 32.4 | 34.2 | 35.0 |
| Average temperature (°C) | 27.5 | 29.5 | 28.7 | 28.2 | 27.8 | 25.8 | 25.4 | 25.4 | 25.4 | 26.5 | 27.8 | 27.1 |
| Average night temperature (°C) | 20.9 | 22.9 | 23.6 | 24.0 | 24.0 | 22.7 | 22.6 | 22.4 | 22.4 | 22.9 | 23.1 | 20.6 |
| Absolute minimum temperature (°C) | 18.0 | 20.2 | 21.8 | 22.7 | 22.8 | 21.7 | 21.8 | 21.3 | 21.1 | 21.9 | 21.9 | 18.4 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.7 | 10.0 | 8.3 | 8.1 | 9.0 | 7.4 | 7.5 | 7.4 | 7.3 | 8.7 | 10.1 | 10.3 |
| Precipitation (mm) | 0 | 0 | 112 | 104 | 152 | 212 | 193 | 180 | 183 | 137 | 16 | 0 |
| Sunny days | 30 | 28 | 12 | 10 | 3 | 3 | 0 | 0 | 0 | 5 | 24 | 31 |
| Rainy days | 1 | 0 | 19 | 20 | 28 | 27 | 31 | 31 | 30 | 26 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Décomè is at