Average annual temperature is 29.2 °C
Absolute maximum temperature: 43.4 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 250 days
Number of rainy days: 115 days
Look at detailed online map of Siéna
* Weather data for Siéna 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) | 37.8 | 39.5 | 41.6 | 41.7 | 43.4 | 41.5 | 35.6 | 36.3 | 36.5 | 38.7 | 38.3 | 38.2 |
| Average daytime temperature (°C) | 33.4 | 36.6 | 39.2 | 39.4 | 39.7 | 36.5 | 33.5 | 31.3 | 32.6 | 36.0 | 36.7 | 33.4 |
| Average temperature (°C) | 25.3 | 28.5 | 31.3 | 32.5 | 33.5 | 30.9 | 28.7 | 26.9 | 27.6 | 29.9 | 29.4 | 25.7 |
| Average night temperature (°C) | 17.9 | 21.2 | 23.9 | 25.5 | 27.9 | 26.3 | 24.8 | 23.7 | 23.9 | 24.7 | 22.8 | 19.1 |
| Absolute minimum temperature (°C) | 14.1 | 17.6 | 22.0 | 22.4 | 24.2 | 23.9 | 23.3 | 22.3 | 22.4 | 21.9 | 19.7 | 14.2 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 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) | 10.7 | 10.6 | 10.6 | 10.4 | 9.6 | 10.0 | 9.6 | 8.6 | 9.7 | 10.0 | 10.1 | 10.2 |
| Precipitation (mm) | 0 | 0 | 0 | 3 | 18 | 60 | 100 | 254 | 84 | 14 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 22 | 11 | 9 | 3 | 8 | 17 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 9 | 19 | 22 | 28 | 22 | 14 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siéna is at