Average annual temperature is 29.5 °C
Absolute maximum temperature: 43.7 °C
Absolute minimum temperature: 11.5 °C
Number of sunny days: 277 days
Number of rainy days: 88 days
Look at detailed online map of Birou
* Weather data for Birou Mali is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.3 | 39.9 | 41.4 | 42.4 | 43.6 | 43.7 | 38.4 | 36.9 | 39.6 | 39.7 | 39.6 | 37.1 |
| Average daytime temperature (°C) | 32.5 | 36.4 | 38.7 | 39.7 | 40.5 | 39.3 | 33.5 | 32.4 | 34.5 | 37.1 | 36.3 | 32.9 |
| Average temperature (°C) | 24.9 | 28.5 | 31.1 | 32.6 | 34.6 | 32.8 | 28.7 | 27.9 | 28.9 | 30.3 | 28.6 | 25.1 |
| Average night temperature (°C) | 17.9 | 21.0 | 23.5 | 25.5 | 28.7 | 27.1 | 24.7 | 24.0 | 24.4 | 24.5 | 21.2 | 17.9 |
| Absolute minimum temperature (°C) | 12.3 | 15.7 | 20.0 | 22.2 | 24.0 | 23.8 | 22.9 | 22.0 | 22.6 | 19.6 | 17.0 | 11.5 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 |
| 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) | 10.0 | 10.2 | 10.6 | 10.5 | 9.1 | 10.1 | 9.5 | 9.3 | 10.2 | 10.0 | 10.6 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 6 | 4 | 36 | 111 | 108 | 64 | 6 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 27 | 26 | 14 | 13 | 10 | 16 | 21 | 30 | 31 |
| Rainy days | 0 | 0 | 1 | 3 | 5 | 16 | 18 | 21 | 14 | 10 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Birou is at