Average annual temperature is 27.4 °C
Absolute maximum temperature: 44.6 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 299 days
Number of rainy days: 66 days
Look at detailed online map of Siéno
* Weather data for Siéno Senegal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.5 | 37.6 | 40.5 | 42.0 | 44.6 | 41.2 | 39.3 | 37.3 | 34.7 | 40.2 | 40.3 | 37.7 |
| Average daytime temperature (°C) | 31.4 | 33.2 | 37.1 | 36.1 | 36.8 | 36.0 | 34.7 | 32.7 | 32.6 | 36.0 | 37.0 | 34.2 |
| Average temperature (°C) | 23.7 | 24.5 | 27.5 | 27.1 | 28.1 | 28.4 | 29.0 | 28.0 | 28.1 | 29.6 | 28.4 | 26.0 |
| Average night temperature (°C) | 18.2 | 18.9 | 20.8 | 21.3 | 22.6 | 23.4 | 25.2 | 24.7 | 25.0 | 24.9 | 21.3 | 19.5 |
| Absolute minimum temperature (°C) | 14.1 | 15.9 | 16.9 | 18.8 | 18.7 | 20.6 | 23.3 | 22.8 | 23.4 | 22.4 | 18.0 | 14.7 |
| 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 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 9.1 | 10.3 | 10.8 | 11.2 | 10.8 | 11.1 | 9.5 | 8.9 | 9.5 | 9.9 | 10.1 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 21 | 52 | 191 | 85 | 15 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 30 | 31 | 28 | 12 | 12 | 13 | 23 | 30 | 31 |
| Rainy days | 0 | 0 | 1 | 0 | 0 | 2 | 19 | 19 | 17 | 8 | 0 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siéno is at