Average annual temperature is 25.1 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 7.7 °C
Number of sunny days: 317 days
Number of rainy days: 48 days
Look at detailed online map of Koulalangui
* Weather data for Koulalangui 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) | 33.4 | 33.8 | 34.3 | 39.0 | 40.4 | 38.5 | 37.6 | 36.0 | 38.7 | 36.4 | 34.2 | 30.8 |
| Average daytime temperature (°C) | 26.4 | 27.5 | 32.1 | 36.0 | 37.4 | 35.0 | 34.2 | 31.4 | 35.7 | 34.2 | 31.7 | 27.0 |
| Average temperature (°C) | 17.7 | 18.9 | 24.7 | 28.3 | 30.6 | 28.5 | 27.8 | 25.3 | 29.0 | 27.4 | 24.3 | 18.4 |
| Average night temperature (°C) | 10.5 | 12.0 | 18.1 | 21.0 | 23.8 | 22.6 | 22.3 | 20.5 | 22.5 | 21.5 | 18.1 | 11.6 |
| Absolute minimum temperature (°C) | 7.7 | 8.4 | 15.1 | 16.0 | 19.0 | 19.9 | 20.1 | 19.2 | 19.3 | 17.5 | 13.6 | 8.9 |
| 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 | 13.0 | 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 | 11.4 | 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) | 10.6 | 10.7 | 10.2 | 10.8 | 10.4 | 10.0 | 10.3 | 9.5 | 10.1 | 10.7 | 10.5 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 10 | 14 | 97 | 1 | 0 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 29 | 23 | 18 | 11 | 26 | 30 | 30 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 2 | 7 | 13 | 20 | 4 | 1 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulalangui is at