Average annual temperature is 29.0 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 230 days
Number of rainy days: 135 days
Look at detailed online map of Koulo
* Weather data for Koulo 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) | 40.0 | 40.2 | 42.3 | 43.1 | 42.6 | 39.3 | 36.5 | 33.2 | 33.9 | 36.3 | 38.3 | 38.0 |
| Average daytime temperature (°C) | 34.5 | 36.4 | 39.1 | 41.0 | 40.3 | 34.7 | 32.6 | 30.3 | 31.3 | 34.1 | 36.0 | 34.7 |
| Average temperature (°C) | 26.3 | 28.2 | 31.7 | 34.6 | 33.9 | 28.9 | 27.8 | 26.0 | 26.7 | 28.1 | 29.5 | 26.8 |
| Average night temperature (°C) | 18.7 | 20.8 | 24.7 | 28.1 | 28.3 | 25.0 | 24.4 | 23.2 | 23.2 | 22.9 | 23.2 | 19.4 |
| Absolute minimum temperature (°C) | 16.5 | 17.7 | 21.8 | 25.3 | 25.4 | 23.0 | 21.9 | 21.6 | 21.0 | 19.3 | 20.0 | 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 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.3 | 10.7 | 10.0 | 10.0 | 10.8 | 9.3 | 8.9 | 7.9 | 9.1 | 10.4 | 10.2 | 10.2 |
| Precipitation (mm) | 0 | 0 | 20 | 2 | 4 | 106 | 129 | 269 | 143 | 36 | 2 | 0 |
| Sunny days | 31 | 28 | 28 | 28 | 21 | 8 | 3 | 2 | 4 | 20 | 26 | 31 |
| Rainy days | 0 | 0 | 3 | 2 | 10 | 22 | 28 | 29 | 26 | 11 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulo is at