Average annual temperature is 28.9 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 220 days
Number of rainy days: 145 days
Look at detailed online map of Biosako
* Weather data for Biosako 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) | 39.5 | 40.5 | 41.8 | 41.2 | 40.6 | 36.9 | 34.8 | 34.0 | 34.9 | 36.8 | 37.8 | 38.0 |
| Average daytime temperature (°C) | 36.5 | 38.3 | 38.6 | 39.2 | 37.9 | 32.3 | 31.8 | 30.8 | 32.1 | 34.6 | 35.0 | 36.3 |
| Average temperature (°C) | 28.1 | 30.0 | 31.6 | 33.0 | 31.7 | 27.3 | 27.1 | 26.0 | 26.9 | 28.6 | 28.4 | 28.1 |
| Average night temperature (°C) | 20.1 | 22.2 | 24.5 | 26.7 | 26.5 | 23.5 | 23.3 | 22.5 | 23.1 | 23.5 | 23.0 | 20.1 |
| Absolute minimum temperature (°C) | 17.7 | 19.3 | 21.2 | 24.3 | 23.1 | 21.6 | 21.6 | 20.9 | 21.0 | 20.6 | 19.9 | 17.2 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 10.8 | 10.3 | 10.7 | 9.9 | 8.8 | 8.6 | 8.1 | 8.5 | 9.9 | 9.8 | 10.7 |
| Precipitation (mm) | 0 | 0 | 5 | 19 | 48 | 128 | 127 | 172 | 63 | 15 | 15 | 0 |
| Sunny days | 31 | 28 | 26 | 26 | 16 | 5 | 6 | 5 | 7 | 20 | 19 | 31 |
| Rainy days | 0 | 0 | 5 | 4 | 15 | 25 | 25 | 26 | 23 | 11 | 11 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biosako is at