Average annual temperature is 28.2 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 11.5 °C
Number of sunny days: 299 days
Number of rainy days: 66 days
Look at detailed online map of Illias
* Weather data for Illias 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 | 40.8 | 42.2 | 42.5 | 40.0 | 38.2 | 34.2 | 36.4 | 38.4 | 37.3 | 35.5 |
| Average daytime temperature (°C) | 30.7 | 33.1 | 37.6 | 39.7 | 40.0 | 35.9 | 34.1 | 31.5 | 33.0 | 36.5 | 35.5 | 30.4 |
| Average temperature (°C) | 22.7 | 25.2 | 29.8 | 32.5 | 33.8 | 30.7 | 29.2 | 27.1 | 28.0 | 29.4 | 28.1 | 22.4 |
| Average night temperature (°C) | 14.9 | 17.5 | 22.2 | 25.1 | 27.2 | 25.8 | 25.0 | 23.7 | 23.8 | 22.6 | 20.9 | 14.9 |
| Absolute minimum temperature (°C) | 12.3 | 15.1 | 18.3 | 20.6 | 21.7 | 23.3 | 23.4 | 22.1 | 22.0 | 17.5 | 15.7 | 11.5 |
| 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 | 12.9 | 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) | 10.4 | 10.5 | 10.0 | 10.6 | 10.6 | 10.3 | 10.0 | 9.2 | 10.4 | 10.5 | 10.3 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 1 | 50 | 60 | 137 | 41 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 29 | 18 | 18 | 10 | 17 | 29 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 2 | 12 | 13 | 21 | 13 | 2 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Illias is at