Average annual temperature is 28.3 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 232 days
Number of rainy days: 133 days
Look at detailed online map of Illi
* Weather data for Illi Chad is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 39.3 | 39.7 | 41.5 | 41.6 | 41.4 | 37.3 | 35.0 | 32.7 | 33.7 | 35.4 | 37.0 | 36.6 |
| Average daytime temperature (°C) | 34.2 | 36.2 | 38.4 | 39.3 | 38.3 | 32.4 | 31.8 | 30.0 | 30.9 | 33.4 | 34.8 | 34.2 |
| Average temperature (°C) | 26.2 | 28.3 | 30.9 | 32.8 | 32.1 | 27.4 | 27.2 | 26.0 | 26.4 | 27.6 | 28.1 | 26.4 |
| Average night temperature (°C) | 18.6 | 21.0 | 24.1 | 26.9 | 26.8 | 23.8 | 23.8 | 23.0 | 22.9 | 22.9 | 22.3 | 19.1 |
| Absolute minimum temperature (°C) | 16.5 | 18.1 | 21.5 | 23.1 | 24.1 | 22.1 | 22.8 | 21.5 | 20.9 | 20.4 | 19.5 | 16.9 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 10.7 | 9.8 | 10.0 | 10.6 | 9.2 | 8.9 | 8.3 | 9.3 | 10.2 | 10.0 | 10.3 |
| Precipitation (mm) | 0 | 0 | 25 | 32 | 47 | 193 | 86 | 212 | 106 | 35 | 7 | 0 |
| Sunny days | 31 | 28 | 28 | 28 | 15 | 5 | 9 | 3 | 7 | 23 | 24 | 31 |
| Rainy days | 0 | 0 | 3 | 2 | 16 | 25 | 22 | 28 | 23 | 8 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Illi is at