Average annual temperature is 28.7 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 224 days
Number of rainy days: 141 days
Look at detailed online map of Sio
* Weather data for Sio Burkina Faso is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.0 | 38.9 | 40.6 | 41.3 | 41.8 | 38.0 | 34.5 | 31.7 | 33.6 | 36.9 | 36.5 | 37.8 |
| Average daytime temperature (°C) | 34.2 | 37.0 | 38.5 | 39.0 | 37.7 | 33.6 | 31.8 | 29.3 | 30.4 | 33.6 | 35.5 | 33.7 |
| Average temperature (°C) | 26.6 | 29.5 | 31.6 | 32.6 | 31.7 | 28.8 | 27.3 | 25.4 | 26.3 | 28.5 | 29.5 | 26.3 |
| Average night temperature (°C) | 19.7 | 22.6 | 25.3 | 26.6 | 26.6 | 24.7 | 23.7 | 22.7 | 22.9 | 24.2 | 23.9 | 20.0 |
| Absolute minimum temperature (°C) | 17.3 | 20.6 | 23.3 | 23.4 | 24.0 | 23.0 | 22.3 | 21.6 | 21.5 | 22.7 | 20.2 | 16.4 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.8 | 10.9 | 9.9 | 10.3 | 10.0 | 10.0 | 9.4 | 8.3 | 9.9 | 10.1 | 10.1 | 10.3 |
| Precipitation (mm) | 0 | 0 | 7 | 8 | 42 | 108 | 134 | 294 | 140 | 27 | 2 | 0 |
| Sunny days | 31 | 28 | 27 | 26 | 14 | 10 | 7 | 0 | 5 | 18 | 27 | 31 |
| Rainy days | 0 | 0 | 4 | 4 | 17 | 20 | 24 | 31 | 25 | 13 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sio is at