Average annual temperature is 27.5 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Dasso-Nialli
* Weather data for Dasso-Nialli 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) | 37.7 | 39.8 | 37.7 | 36.8 | 35.9 | 34.9 | 32.7 | 32.8 | 33.4 | 33.8 | 35.4 | 38.7 |
| Average daytime temperature (°C) | 36.2 | 37.8 | 35.4 | 34.3 | 33.8 | 31.5 | 30.7 | 30.4 | 30.7 | 31.8 | 33.7 | 36.4 |
| Average temperature (°C) | 28.4 | 29.7 | 28.8 | 28.6 | 28.1 | 26.3 | 25.9 | 25.9 | 25.8 | 26.7 | 27.8 | 28.8 |
| Average night temperature (°C) | 23.3 | 24.9 | 24.8 | 25.0 | 24.8 | 23.6 | 23.3 | 23.2 | 23.0 | 23.6 | 24.0 | 23.2 |
| Absolute minimum temperature (°C) | 19.6 | 22.2 | 23.3 | 23.4 | 23.3 | 22.2 | 22.6 | 22.2 | 21.6 | 22.1 | 22.3 | 20.6 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 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) | 9.4 | 9.6 | 8.1 | 8.2 | 8.5 | 7.5 | 8.2 | 7.7 | 7.3 | 8.3 | 9.6 | 10.2 |
| Precipitation (mm) | 6 | 1 | 100 | 47 | 140 | 167 | 163 | 196 | 236 | 114 | 19 | 10 |
| Sunny days | 25 | 21 | 6 | 4 | 2 | 2 | 0 | 0 | 3 | 1 | 10 | 27 |
| Rainy days | 6 | 7 | 25 | 26 | 29 | 28 | 31 | 31 | 27 | 30 | 20 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dasso-Nialli is at