Average annual temperature is 28.5 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: 13.8 °C
Number of sunny days: 240 days
Number of rainy days: 125 days
Look at detailed online map of Sièsso
* Weather data for Sièsso 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) | 37.4 | 38.8 | 42.7 | 41.7 | 43.1 | 40.7 | 34.9 | 34.9 | 35.4 | 37.2 | 36.4 | 37.0 |
| Average daytime temperature (°C) | 32.6 | 36.1 | 38.8 | 39.4 | 39.5 | 35.8 | 32.7 | 31.0 | 32.0 | 34.7 | 35.3 | 32.7 |
| Average temperature (°C) | 24.4 | 28.0 | 30.8 | 32.3 | 33.1 | 30.3 | 28.1 | 26.5 | 27.1 | 28.7 | 27.9 | 25.0 |
| Average night temperature (°C) | 17.4 | 20.9 | 23.3 | 25.1 | 27.7 | 26.0 | 24.6 | 23.4 | 23.4 | 23.9 | 21.3 | 18.7 |
| Absolute minimum temperature (°C) | 13.8 | 16.8 | 19.8 | 22.6 | 24.7 | 23.3 | 23.1 | 22.2 | 21.8 | 21.1 | 18.4 | 13.9 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 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 | 10.4 | 10.3 | 9.7 | 9.7 | 9.6 | 8.2 | 9.5 | 10.1 | 10.2 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 4 | 8 | 142 | 96 | 318 | 107 | 9 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 28 | 20 | 8 | 6 | 6 | 6 | 15 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 2 | 11 | 22 | 25 | 25 | 24 | 16 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sièsso is at