Average annual temperature is 28.9 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 224 days
Number of rainy days: 141 days
Look at detailed online map of Riao
* Weather data for Riao Cameroon is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 39.9 | 39.1 | 41.7 | 41.1 | 40.6 | 35.9 | 34.1 | 33.4 | 34.7 | 36.2 | 36.9 | 36.5 |
| Average daytime temperature (°C) | 34.7 | 36.7 | 38.8 | 39.1 | 37.7 | 32.0 | 31.6 | 30.7 | 31.5 | 33.9 | 34.6 | 33.6 |
| Average temperature (°C) | 27.1 | 29.2 | 31.8 | 32.9 | 32.2 | 27.9 | 28.0 | 27.1 | 27.3 | 28.9 | 28.6 | 26.0 |
| Average night temperature (°C) | 19.6 | 22.2 | 25.3 | 27.0 | 27.4 | 24.7 | 24.8 | 24.2 | 23.9 | 24.7 | 23.6 | 18.9 |
| Absolute minimum temperature (°C) | 17.2 | 20.1 | 22.6 | 23.8 | 25.2 | 23.3 | 23.5 | 22.9 | 21.4 | 23.3 | 19.8 | 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) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 10.9 | 9.4 | 10.1 | 10.4 | 8.7 | 9.7 | 8.4 | 9.4 | 10.0 | 9.4 | 10.2 |
| Precipitation (mm) | 0 | 0 | 1 | 29 | 45 | 175 | 92 | 187 | 100 | 51 | 19 | 0 |
| Sunny days | 31 | 28 | 28 | 25 | 16 | 4 | 8 | 3 | 6 | 19 | 25 | 31 |
| Rainy days | 0 | 0 | 3 | 5 | 15 | 26 | 23 | 28 | 24 | 12 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riao is at