Average annual temperature is 28.8 °C
Absolute maximum temperature: 42.8 °C
Absolute minimum temperature: 12.6 °C
Number of sunny days: 271 days
Number of rainy days: 94 days
Look at detailed online map of Siyan
* Weather data for Siyan 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) | 37.5 | 39.2 | 40.4 | 41.4 | 42.8 | 42.5 | 36.6 | 34.6 | 37.2 | 38.0 | 37.7 | 36.9 |
| Average daytime temperature (°C) | 33.3 | 36.4 | 38.7 | 39.3 | 39.2 | 36.9 | 33.2 | 30.6 | 32.6 | 35.8 | 36.2 | 32.9 |
| Average temperature (°C) | 25.0 | 28.0 | 30.9 | 32.2 | 32.8 | 31.1 | 28.1 | 26.5 | 27.6 | 29.8 | 28.4 | 24.6 |
| Average night temperature (°C) | 17.5 | 20.4 | 23.2 | 25.0 | 27.2 | 26.2 | 24.2 | 23.3 | 23.7 | 24.6 | 20.9 | 17.5 |
| Absolute minimum temperature (°C) | 13.4 | 17.1 | 19.9 | 21.7 | 23.3 | 23.8 | 22.2 | 21.8 | 22.4 | 21.9 | 17.7 | 12.6 |
| 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) | 10.6 | 10.4 | 10.5 | 10.5 | 9.2 | 9.7 | 9.8 | 8.4 | 10.0 | 10.3 | 10.5 | 10.4 |
| Precipitation (mm) | 0 | 0 | 0 | 5 | 22 | 86 | 122 | 205 | 55 | 5 | 0 | 0 |
| Sunny days | 31 | 27 | 31 | 27 | 26 | 17 | 11 | 6 | 10 | 24 | 30 | 31 |
| Rainy days | 0 | 1 | 0 | 3 | 5 | 13 | 20 | 25 | 20 | 7 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siyan is at