Average annual temperature is 29.2 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 237 days
Number of rainy days: 128 days
Look at detailed online map of Koso
* Weather data for Koso 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 | 40.4 | 43.1 | 43.0 | 42.1 | 39.7 | 36.1 | 34.4 | 34.0 | 38.5 | 39.1 | 38.5 |
| Average daytime temperature (°C) | 35.7 | 37.4 | 39.0 | 40.8 | 39.7 | 33.3 | 32.4 | 30.8 | 31.5 | 34.6 | 37.2 | 35.6 |
| Average temperature (°C) | 27.3 | 28.9 | 31.8 | 34.3 | 33.9 | 27.9 | 27.4 | 25.9 | 26.6 | 28.6 | 30.2 | 27.4 |
| Average night temperature (°C) | 18.9 | 20.7 | 24.8 | 27.7 | 28.5 | 24.1 | 23.9 | 22.6 | 23.1 | 23.0 | 23.1 | 19.1 |
| Absolute minimum temperature (°C) | 16.7 | 17.6 | 21.1 | 24.8 | 25.2 | 22.1 | 22.7 | 21.3 | 21.6 | 20.3 | 20.4 | 17.0 |
| 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 | 11.8 | 12.1 | 12.4 | 12.7 | 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 | 10.6 | 10.0 | 10.5 | 10.2 | 9.4 | 8.7 | 8.2 | 8.8 | 10.8 | 10.5 | 10.6 |
| Precipitation (mm) | 0 | 0 | 10 | 0 | 5 | 90 | 97 | 160 | 112 | 14 | 0 | 0 |
| Sunny days | 31 | 28 | 26 | 28 | 24 | 8 | 8 | 2 | 4 | 20 | 27 | 31 |
| Rainy days | 0 | 0 | 5 | 2 | 7 | 22 | 23 | 29 | 26 | 11 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koso is at