Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 238 days
Number of rainy days: 127 days
Look at detailed online map of Niassalé
* Weather data for Niassalé 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) | 37.5 | 38.7 | 40.9 | 40.3 | 39.8 | 36.8 | 34.7 | 32.1 | 34.3 | 36.0 | 37.1 | 36.0 |
| Average daytime temperature (°C) | 34.1 | 36.3 | 38.0 | 38.2 | 36.9 | 32.5 | 32.1 | 29.8 | 30.7 | 33.8 | 35.7 | 34.2 |
| Average temperature (°C) | 26.7 | 29.0 | 30.9 | 31.6 | 30.9 | 27.6 | 27.1 | 25.5 | 26.2 | 27.8 | 29.0 | 26.8 |
| Average night temperature (°C) | 20.1 | 22.2 | 24.1 | 25.7 | 25.8 | 23.8 | 23.4 | 22.7 | 22.8 | 22.9 | 22.9 | 20.3 |
| Absolute minimum temperature (°C) | 17.1 | 19.6 | 21.1 | 21.9 | 23.5 | 22.4 | 22.4 | 21.6 | 21.0 | 20.9 | 21.2 | 17.8 |
| 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 | 12.4 | 12.6 | 12.7 | 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 | 9.9 | 9.4 | 9.7 | 9.7 | 9.1 | 9.3 | 7.6 | 8.4 | 10.0 | 10.7 | 10.6 |
| Precipitation (mm) | 0 | 0 | 10 | 14 | 45 | 84 | 140 | 236 | 104 | 45 | 1 | 0 |
| Sunny days | 31 | 28 | 27 | 25 | 17 | 6 | 6 | 6 | 9 | 24 | 28 | 31 |
| Rainy days | 0 | 0 | 4 | 5 | 14 | 24 | 25 | 25 | 21 | 7 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niassalé is at