Average annual temperature is 28.2 °C
Absolute maximum temperature: 43.0 °C
Absolute minimum temperature: 11.7 °C
Number of sunny days: 251 days
Number of rainy days: 114 days
Look at detailed online map of Sien
* Weather data for Sien 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) | 36.5 | 38.6 | 40.8 | 41.1 | 43.0 | 40.6 | 35.2 | 34.8 | 35.4 | 37.4 | 36.2 | 36.7 |
| Average daytime temperature (°C) | 32.1 | 35.6 | 38.4 | 39.2 | 39.4 | 35.8 | 32.7 | 31.2 | 32.2 | 34.6 | 35.4 | 32.4 |
| Average temperature (°C) | 23.1 | 27.3 | 30.4 | 31.9 | 33.1 | 30.2 | 28.0 | 26.6 | 27.1 | 28.4 | 27.7 | 24.1 |
| Average night temperature (°C) | 15.5 | 20.0 | 22.3 | 24.3 | 27.7 | 25.9 | 24.2 | 23.3 | 23.4 | 23.5 | 20.6 | 17.6 |
| Absolute minimum temperature (°C) | 11.7 | 14.0 | 19.4 | 21.3 | 24.1 | 23.6 | 22.1 | 22.2 | 22.2 | 20.9 | 17.7 | 12.1 |
| 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 | 10.1 | 9.7 | 9.8 | 9.3 | 8.1 | 9.4 | 10.2 | 10.1 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 6 | 8 | 129 | 116 | 309 | 124 | 13 | 0 | 0 |
| Sunny days | 31 | 27 | 31 | 27 | 27 | 9 | 7 | 4 | 7 | 20 | 30 | 31 |
| Rainy days | 0 | 1 | 0 | 3 | 4 | 21 | 24 | 27 | 23 | 11 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sien is at