Average annual temperature is 28.6 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 247 days
Number of rainy days: 118 days
Look at detailed online map of Riou
* Weather data for Riou 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) | 37.6 | 39.5 | 40.5 | 41.7 | 42.5 | 38.9 | 36.8 | 32.9 | 34.7 | 37.5 | 36.7 | 37.0 |
| Average daytime temperature (°C) | 33.3 | 36.5 | 38.8 | 39.8 | 38.8 | 34.4 | 32.7 | 30.2 | 31.5 | 34.4 | 35.9 | 33.1 |
| Average temperature (°C) | 25.0 | 28.2 | 31.3 | 32.9 | 32.8 | 29.5 | 27.9 | 26.1 | 27.0 | 28.7 | 28.9 | 25.0 |
| Average night temperature (°C) | 18.3 | 21.4 | 24.5 | 26.3 | 27.6 | 25.3 | 24.0 | 23.1 | 23.4 | 23.9 | 22.8 | 18.6 |
| Absolute minimum temperature (°C) | 16.1 | 19.5 | 21.4 | 23.6 | 25.2 | 23.3 | 22.4 | 22.1 | 22.0 | 22.2 | 19.6 | 15.3 |
| 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 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 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) | 10.6 | 10.8 | 10.1 | 10.3 | 10.2 | 10.1 | 9.5 | 8.4 | 9.8 | 9.9 | 10.2 | 10.1 |
| Precipitation (mm) | 0 | 0 | 1 | 0 | 13 | 126 | 120 | 266 | 151 | 38 | 0 | 0 |
| Sunny days | 31 | 28 | 29 | 29 | 21 | 10 | 9 | 3 | 5 | 22 | 29 | 31 |
| Rainy days | 0 | 0 | 2 | 1 | 10 | 20 | 22 | 28 | 25 | 9 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riou is at