Average annual temperature is 28.5 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 15.2 °C
Number of sunny days: 216 days
Number of rainy days: 149 days
Look at detailed online map of Siou
* Weather data for Siou 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) | 38.1 | 39.6 | 40.8 | 41.0 | 40.3 | 37.8 | 34.5 | 33.5 | 33.5 | 36.2 | 36.7 | 37.5 |
| Average daytime temperature (°C) | 34.6 | 37.5 | 38.8 | 39.0 | 36.9 | 33.7 | 31.7 | 29.6 | 30.7 | 33.4 | 35.5 | 34.1 |
| Average temperature (°C) | 26.8 | 29.6 | 31.5 | 32.3 | 30.9 | 28.9 | 27.3 | 25.7 | 26.3 | 27.9 | 28.5 | 26.4 |
| Average night temperature (°C) | 19.1 | 21.8 | 24.4 | 25.6 | 25.9 | 25.0 | 23.8 | 22.9 | 22.7 | 23.2 | 21.7 | 19.5 |
| Absolute minimum temperature (°C) | 16.9 | 19.7 | 20.8 | 22.5 | 23.5 | 22.3 | 22.4 | 21.7 | 21.7 | 20.9 | 19.1 | 15.2 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.7 | 10.8 | 10.3 | 10.4 | 9.4 | 9.3 | 9.1 | 7.6 | 9.8 | 10.3 | 10.3 | 10.5 |
| Precipitation (mm) | 0 | 0 | 1 | 8 | 64 | 160 | 115 | 248 | 164 | 16 | 0 | 0 |
| Sunny days | 31 | 28 | 29 | 25 | 11 | 7 | 5 | 3 | 6 | 13 | 27 | 31 |
| Rainy days | 0 | 0 | 2 | 5 | 20 | 23 | 26 | 28 | 24 | 18 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siou is at