Average annual temperature is 29.2 °C
Absolute maximum temperature: 45.4 °C
Absolute minimum temperature: 13.4 °C
Number of sunny days: 299 days
Number of rainy days: 66 days
Look at detailed online map of Département de Diffa
* Weather data for Département de Diffa 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) | 37.6 | 38.8 | 40.9 | 45.4 | 43.2 | 40.7 | 39.1 | 38.2 | 39.6 | 39.5 | 38.2 | 35.5 |
| Average daytime temperature (°C) | 30.2 | 32.1 | 37.4 | 40.0 | 41.1 | 36.2 | 36.7 | 33.5 | 36.1 | 37.3 | 35.5 | 30.4 |
| Average temperature (°C) | 22.8 | 24.6 | 30.2 | 33.1 | 34.8 | 30.8 | 31.5 | 28.7 | 30.1 | 31.1 | 29.0 | 23.1 |
| Average night temperature (°C) | 16.3 | 18.1 | 23.7 | 26.5 | 28.4 | 26.4 | 26.7 | 24.8 | 25.4 | 25.4 | 23.1 | 16.9 |
| Absolute minimum temperature (°C) | 13.4 | 14.7 | 19.7 | 22.8 | 25.2 | 24.1 | 23.7 | 22.5 | 23.8 | 21.5 | 18.1 | 13.6 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.8 | 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) | 10.4 | 10.8 | 10.3 | 10.3 | 11.0 | 9.5 | 10.2 | 9.0 | 9.8 | 10.0 | 9.8 | 10.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 44 | 47 | 116 | 66 | 34 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 30 | 18 | 18 | 11 | 14 | 29 | 29 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 1 | 12 | 13 | 20 | 16 | 2 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Département de Diffa is at