Average annual temperature is 29.0 °C
Absolute maximum temperature: 43.3 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 224 days
Number of rainy days: 141 days
Look at detailed online map of Oualassa
* Weather data for Oualassa 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 | 42.2 | 43.3 | 42.7 | 39.0 | 35.5 | 33.3 | 34.6 | 38.3 | 39.3 | 38.6 |
| Average daytime temperature (°C) | 34.9 | 36.7 | 39.3 | 41.0 | 40.1 | 34.4 | 33.1 | 30.6 | 31.2 | 35.1 | 37.2 | 35.3 |
| Average temperature (°C) | 26.3 | 28.2 | 31.7 | 34.3 | 33.5 | 28.6 | 27.8 | 25.9 | 26.5 | 28.7 | 30.1 | 27.0 |
| Average night temperature (°C) | 17.8 | 19.9 | 24.1 | 27.0 | 27.6 | 24.4 | 24.0 | 22.9 | 22.8 | 22.7 | 22.9 | 18.7 |
| Absolute minimum temperature (°C) | 15.6 | 16.9 | 20.7 | 23.4 | 25.0 | 22.5 | 22.3 | 21.4 | 20.4 | 19.9 | 19.0 | 15.8 |
| 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) | 10.2 | 10.6 | 9.9 | 9.9 | 10.5 | 9.0 | 8.7 | 7.9 | 9.1 | 10.3 | 10.1 | 10.3 |
| Precipitation (mm) | 0 | 0 | 11 | 5 | 8 | 106 | 145 | 328 | 99 | 24 | 2 | 0 |
| Sunny days | 31 | 28 | 27 | 26 | 21 | 6 | 2 | 4 | 7 | 17 | 24 | 31 |
| Rainy days | 0 | 0 | 4 | 4 | 10 | 24 | 29 | 27 | 23 | 14 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oualassa is at