Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 11.7 °C
Number of sunny days: 285 days
Number of rainy days: 80 days
Look at detailed online map of K'assa Ja Roua
* Weather data for K'assa Ja Roua 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) | 35.5 | 37.1 | 39.4 | 40.7 | 40.7 | 38.8 | 36.3 | 33.6 | 35.4 | 37.1 | 36.4 | 34.4 |
| Average daytime temperature (°C) | 29.6 | 31.9 | 36.1 | 38.3 | 39.2 | 34.9 | 33.2 | 30.7 | 32.4 | 35.4 | 34.5 | 29.9 |
| Average temperature (°C) | 21.9 | 24.3 | 28.8 | 31.6 | 33.1 | 29.5 | 28.2 | 26.4 | 27.2 | 28.6 | 27.5 | 22.2 |
| Average night temperature (°C) | 15.0 | 17.3 | 21.8 | 24.6 | 26.3 | 24.6 | 23.8 | 22.8 | 22.9 | 22.2 | 20.8 | 15.3 |
| Absolute minimum temperature (°C) | 12.1 | 14.7 | 19.2 | 20.9 | 23.1 | 22.0 | 22.2 | 21.3 | 21.6 | 18.6 | 16.8 | 11.7 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.6 | 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) | 10.6 | 10.8 | 10.0 | 10.3 | 10.7 | 10.1 | 9.9 | 9.1 | 10.1 | 10.3 | 10.1 | 10.5 |
| Precipitation (mm) | 0 | 0 | 4 | 0 | 0 | 23 | 55 | 85 | 45 | 23 | 2 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 30 | 14 | 15 | 7 | 12 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 1 | 16 | 16 | 24 | 18 | 2 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in K'assa Ja Roua is at