Average annual temperature is 26.2 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 174 days
Number of rainy days: 191 days
Look at detailed online map of Semalrhou
* Weather data for Semalrhou 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) | 36.5 | 37.9 | 38.4 | 37.5 | 36.3 | 33.5 | 32.0 | 31.7 | 33.9 | 35.5 | 35.1 | 35.1 |
| Average daytime temperature (°C) | 34.0 | 35.8 | 35.5 | 35.3 | 33.9 | 30.5 | 30.3 | 28.8 | 30.3 | 32.7 | 34.3 | 33.6 |
| Average temperature (°C) | 25.6 | 27.6 | 28.1 | 28.3 | 27.2 | 25.2 | 24.9 | 24.2 | 24.8 | 26.1 | 27.1 | 24.9 |
| Average night temperature (°C) | 18.7 | 20.4 | 22.5 | 23.3 | 23.0 | 21.9 | 21.7 | 21.4 | 21.5 | 21.7 | 21.2 | 18.1 |
| Absolute minimum temperature (°C) | 16.2 | 18.0 | 19.4 | 22.3 | 21.8 | 21.0 | 21.1 | 20.8 | 20.4 | 20.5 | 18.9 | 16.2 |
| 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 | 9.9 | 9.1 | 9.5 | 9.7 | 8.3 | 8.3 | 7.3 | 8.1 | 9.4 | 10.5 | 10.4 |
| Precipitation (mm) | 0 | 1 | 33 | 37 | 88 | 185 | 185 | 313 | 145 | 84 | 13 | 0 |
| Sunny days | 31 | 26 | 23 | 16 | 10 | 0 | 3 | 0 | 0 | 12 | 22 | 31 |
| Rainy days | 0 | 2 | 8 | 14 | 21 | 30 | 28 | 31 | 30 | 19 | 8 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Semalrhou is at