Average annual temperature is 29.1 °C
Absolute maximum temperature: 43.5 °C
Absolute minimum temperature: 14.0 °C
Number of sunny days: 254 days
Number of rainy days: 111 days
Look at detailed online map of Sy
* Weather data for Sy 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) | 37.6 | 39.6 | 41.7 | 41.7 | 43.5 | 41.5 | 36.0 | 36.9 | 36.9 | 38.7 | 38.3 | 38.2 |
| Average daytime temperature (°C) | 33.4 | 36.7 | 39.3 | 39.5 | 39.7 | 36.5 | 33.8 | 31.5 | 32.8 | 36.0 | 36.8 | 33.5 |
| Average temperature (°C) | 25.1 | 28.5 | 31.2 | 32.5 | 33.4 | 30.8 | 28.8 | 26.9 | 27.7 | 29.7 | 29.2 | 25.5 |
| Average night temperature (°C) | 17.8 | 21.1 | 23.8 | 25.4 | 27.8 | 26.2 | 24.7 | 23.6 | 23.8 | 24.5 | 22.4 | 18.7 |
| Absolute minimum temperature (°C) | 14.0 | 17.6 | 21.5 | 22.3 | 24.2 | 23.9 | 23.0 | 22.3 | 22.2 | 21.1 | 19.1 | 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 | 10.3 | 9.6 | 9.8 | 9.5 | 8.4 | 9.6 | 10.0 | 10.1 | 10.3 |
| Precipitation (mm) | 0 | 0 | 0 | 5 | 21 | 73 | 83 | 254 | 104 | 18 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 23 | 10 | 11 | 4 | 7 | 19 | 30 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 8 | 20 | 20 | 27 | 23 | 12 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sy is at