Average annual temperature is 28.7 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 217 days
Number of rainy days: 148 days
Look at detailed online map of Sièni
* Weather data for Sièni 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) | 38.3 | 39.3 | 41.1 | 41.8 | 40.7 | 37.4 | 34.7 | 32.2 | 33.5 | 37.7 | 37.1 | 38.0 |
| Average daytime temperature (°C) | 34.7 | 37.6 | 38.7 | 39.2 | 37.5 | 33.5 | 31.9 | 29.7 | 30.6 | 34.0 | 36.2 | 34.6 |
| Average temperature (°C) | 26.6 | 29.6 | 31.4 | 32.4 | 31.4 | 28.7 | 27.4 | 25.6 | 26.4 | 28.6 | 29.6 | 26.6 |
| Average night temperature (°C) | 19.1 | 22.0 | 24.5 | 25.9 | 26.3 | 24.7 | 23.7 | 22.9 | 22.9 | 24.0 | 23.2 | 19.4 |
| Absolute minimum temperature (°C) | 16.9 | 19.9 | 22.2 | 22.9 | 24.0 | 23.2 | 22.5 | 21.8 | 21.3 | 22.5 | 18.5 | 16.3 |
| 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 | 11.5 |
| 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 | 10.0 | 10.2 | 10.1 | 9.5 | 9.2 | 8.2 | 9.7 | 9.9 | 10.0 | 10.3 |
| Precipitation (mm) | 0 | 0 | 17 | 21 | 44 | 97 | 109 | 271 | 124 | 43 | 1 | 0 |
| Sunny days | 31 | 28 | 27 | 25 | 16 | 5 | 7 | 0 | 6 | 14 | 27 | 31 |
| Rainy days | 0 | 0 | 4 | 5 | 15 | 25 | 24 | 31 | 24 | 17 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sièni is at