Average annual temperature is 29.3 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 255 days
Number of rainy days: 110 days
Look at detailed online map of Koulkoulay
* Weather data for Koulkoulay 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) | 38.4 | 39.2 | 41.1 | 42.5 | 42.0 | 39.7 | 38.0 | 36.9 | 37.0 | 39.4 | 39.2 | 37.6 |
| Average daytime temperature (°C) | 34.2 | 35.7 | 38.0 | 40.5 | 39.5 | 34.3 | 33.3 | 32.3 | 33.8 | 37.2 | 37.3 | 34.6 |
| Average temperature (°C) | 26.3 | 27.6 | 31.2 | 33.9 | 33.5 | 28.8 | 28.0 | 26.8 | 27.9 | 30.6 | 30.5 | 26.6 |
| Average night temperature (°C) | 18.7 | 19.6 | 24.6 | 27.1 | 27.8 | 24.4 | 24.1 | 23.0 | 23.8 | 24.2 | 23.8 | 19.0 |
| Absolute minimum temperature (°C) | 15.5 | 15.8 | 20.7 | 23.1 | 22.7 | 21.9 | 22.5 | 21.5 | 22.3 | 22.1 | 20.3 | 15.6 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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 | 10.6 | 10.0 | 10.6 | 9.5 | 8.8 | 8.6 | 9.0 | 8.9 | 10.8 | 10.2 | 10.6 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 15 | 68 | 66 | 79 | 87 | 4 | 3 | 0 |
| Sunny days | 31 | 28 | 30 | 29 | 25 | 9 | 8 | 7 | 7 | 23 | 27 | 31 |
| Rainy days | 0 | 0 | 1 | 1 | 6 | 21 | 23 | 24 | 23 | 8 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koulkoulay is at