Average annual temperature is 29.0 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 223 days
Number of rainy days: 142 days
Look at detailed online map of Koulouan
* Weather data for Koulouan 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) | 40.4 | 40.9 | 42.7 | 41.8 | 41.8 | 38.3 | 37.0 | 32.6 | 32.7 | 36.5 | 37.8 | 38.7 |
| Average daytime temperature (°C) | 36.7 | 38.6 | 39.4 | 40.0 | 38.5 | 32.9 | 32.8 | 29.9 | 30.8 | 33.4 | 34.8 | 36.3 |
| Average temperature (°C) | 28.1 | 30.0 | 31.8 | 33.8 | 32.7 | 27.7 | 27.4 | 25.6 | 26.3 | 27.7 | 28.4 | 28.2 |
| Average night temperature (°C) | 19.3 | 21.5 | 24.2 | 27.5 | 27.7 | 23.9 | 23.7 | 22.4 | 22.9 | 22.9 | 22.2 | 19.7 |
| Absolute minimum temperature (°C) | 16.5 | 18.7 | 21.0 | 25.1 | 24.3 | 22.1 | 22.3 | 20.9 | 21.0 | 20.4 | 18.8 | 16.3 |
| 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 | 11.5 |
| 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 | 10.5 | 10.1 | 8.8 | 8.1 | 8.1 | 8.9 | 10.0 | 10.0 | 10.6 |
| Precipitation (mm) | 0 | 0 | 11 | 9 | 13 | 137 | 136 | 283 | 134 | 23 | 21 | 0 |
| Sunny days | 31 | 28 | 26 | 27 | 18 | 5 | 4 | 3 | 8 | 20 | 22 | 31 |
| Rainy days | 0 | 0 | 5 | 3 | 13 | 25 | 27 | 28 | 22 | 11 | 8 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulouan is at