Average annual temperature is 30.3 °C
Absolute maximum temperature: 44.0 °C
Absolute minimum temperature: 13.1 °C
Number of sunny days: 301 days
Number of rainy days: 64 days
Look at detailed online map of Département de Ouallam
* Weather data for Département de Ouallam 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) | 36.6 | 38.4 | 40.7 | 42.2 | 44.0 | 42.5 | 40.8 | 38.4 | 42.4 | 40.4 | 38.6 | 37.4 |
| Average daytime temperature (°C) | 31.4 | 34.9 | 38.7 | 40.1 | 41.4 | 38.4 | 36.0 | 34.3 | 37.2 | 38.8 | 36.9 | 31.6 |
| Average temperature (°C) | 23.9 | 27.3 | 31.5 | 33.6 | 35.7 | 33.3 | 30.9 | 29.3 | 31.5 | 32.5 | 29.9 | 24.2 |
| Average night temperature (°C) | 16.5 | 19.9 | 23.8 | 25.9 | 29.1 | 28.0 | 26.0 | 24.5 | 25.9 | 25.0 | 22.5 | 17.2 |
| Absolute minimum temperature (°C) | 13.2 | 16.9 | 20.5 | 22.7 | 25.6 | 23.9 | 23.1 | 22.6 | 23.5 | 21.2 | 19.8 | 13.1 |
| 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 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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) | 10.0 | 10.1 | 9.8 | 10.6 | 10.7 | 10.3 | 9.8 | 9.8 | 10.4 | 10.5 | 10.5 | 10.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 1 | 20 | 54 | 128 | 39 | 3 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 30 | 21 | 14 | 11 | 14 | 30 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 1 | 9 | 17 | 20 | 16 | 1 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Département de Ouallam is at