Average annual temperature is 27.9 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 265 days
Number of rainy days: 100 days
Look at detailed online map of Roukoumen
* Weather data for Roukoumen 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) | 37.4 | 38.3 | 39.7 | 40.9 | 40.9 | 38.4 | 37.9 | 33.8 | 37.7 | 39.0 | 37.7 | 35.9 |
| Average daytime temperature (°C) | 33.3 | 35.0 | 36.9 | 38.6 | 38.1 | 32.7 | 32.3 | 30.1 | 33.6 | 36.3 | 35.8 | 33.5 |
| Average temperature (°C) | 24.5 | 26.1 | 29.7 | 31.4 | 31.9 | 27.3 | 26.7 | 25.2 | 27.5 | 30.0 | 29.3 | 25.5 |
| Average night temperature (°C) | 16.6 | 17.7 | 22.9 | 24.1 | 25.7 | 22.8 | 22.4 | 21.4 | 22.6 | 23.7 | 23.0 | 17.7 |
| Absolute minimum temperature (°C) | 13.7 | 13.6 | 19.9 | 21.1 | 21.8 | 21.3 | 20.6 | 20.1 | 20.9 | 20.5 | 19.4 | 14.6 |
| 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 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 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) | 10.6 | 10.7 | 10.4 | 10.7 | 10.1 | 9.6 | 8.8 | 8.7 | 9.7 | 10.6 | 10.5 | 10.6 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 3 | 97 | 101 | 113 | 24 | 8 | 1 | 0 |
| Sunny days | 31 | 28 | 30 | 29 | 29 | 8 | 10 | 5 | 11 | 26 | 27 | 31 |
| Rainy days | 0 | 0 | 1 | 1 | 2 | 22 | 21 | 26 | 19 | 5 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Roukoumen is at