Average annual temperature is 29.5 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: 14.7 °C
Number of sunny days: 278 days
Number of rainy days: 87 days
Look at detailed online map of Koassèye
* Weather data for Koassèye Niger 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 | 39.3 | 41.2 | 42.3 | 42.6 | 40.1 | 36.9 | 35.3 | 38.3 | 40.0 | 38.7 | 38.4 |
| Average daytime temperature (°C) | 32.9 | 35.8 | 39.1 | 40.5 | 40.1 | 36.6 | 33.7 | 31.3 | 33.9 | 37.3 | 37.4 | 33.2 |
| Average temperature (°C) | 25.0 | 28.0 | 31.7 | 33.8 | 34.1 | 31.4 | 28.8 | 26.8 | 28.5 | 30.6 | 30.2 | 25.4 |
| Average night temperature (°C) | 18.1 | 21.1 | 24.7 | 27.0 | 28.5 | 26.7 | 24.9 | 23.5 | 24.2 | 23.9 | 22.5 | 17.9 |
| Absolute minimum temperature (°C) | 15.8 | 18.1 | 20.4 | 22.5 | 25.5 | 23.2 | 23.0 | 21.9 | 21.8 | 20.6 | 18.8 | 14.7 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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 | 10.1 | 9.5 | 10.5 | 10.2 | 10.0 | 9.8 | 8.4 | 9.7 | 10.5 | 10.6 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 1 | 38 | 70 | 187 | 84 | 2 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 27 | 13 | 14 | 5 | 11 | 28 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 4 | 17 | 17 | 26 | 19 | 3 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koassèye is at