Average annual temperature is 29.0 °C
Absolute maximum temperature: 44.3 °C
Absolute minimum temperature: 14.6 °C
Number of sunny days: 250 days
Number of rainy days: 115 days
Look at detailed online map of Posna
* Weather data for Posna 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 | 39.8 | 41.0 | 42.7 | 44.3 | 41.0 | 37.3 | 34.4 | 37.0 | 39.0 | 38.3 | 38.3 |
| Average daytime temperature (°C) | 33.6 | 36.8 | 39.4 | 40.1 | 40.1 | 36.7 | 33.8 | 31.1 | 33.2 | 36.2 | 37.1 | 33.7 |
| Average temperature (°C) | 25.1 | 28.4 | 31.5 | 32.7 | 33.5 | 30.6 | 28.4 | 26.5 | 27.8 | 29.4 | 29.3 | 25.4 |
| Average night temperature (°C) | 17.4 | 20.6 | 23.4 | 25.0 | 27.4 | 25.9 | 24.1 | 23.2 | 23.6 | 23.4 | 21.3 | 17.9 |
| Absolute minimum temperature (°C) | 14.8 | 18.5 | 20.2 | 21.3 | 24.0 | 23.0 | 22.0 | 21.5 | 21.6 | 21.3 | 18.4 | 14.6 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 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) | 10.5 | 10.7 | 10.2 | 10.4 | 10.2 | 10.0 | 9.5 | 8.8 | 10.1 | 10.1 | 10.2 | 10.1 |
| Precipitation (mm) | 0 | 0 | 1 | 2 | 6 | 97 | 168 | 253 | 91 | 13 | 0 | 0 |
| Sunny days | 31 | 28 | 30 | 28 | 22 | 12 | 8 | 4 | 6 | 22 | 28 | 31 |
| Rainy days | 0 | 0 | 1 | 2 | 9 | 18 | 23 | 27 | 24 | 9 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Posna is at