Average annual temperature is 12.4 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 211 days
Number of rainy days: 153 days
Number of snow days: 1 day
Look at detailed online map of Rio de Onor
* Weather data for Rio de Onor Portugal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.2 | 14.8 | 19.9 | 24.4 | 25.6 | 31.1 | 30.7 | 37.1 | 27.7 | 28.5 | 16.9 | 12.4 |
| Average daytime temperature (°C) | 7.9 | 10.4 | 12.9 | 19.1 | 20.7 | 23.8 | 27.6 | 29.6 | 21.9 | 18.7 | 12.6 | 7.6 |
| Average temperature (°C) | 3.8 | 4.4 | 8.0 | 12.4 | 14.5 | 18.5 | 20.9 | 22.3 | 16.3 | 14.2 | 9.0 | 4.1 |
| Average night temperature (°C) | 0.1 | -0.2 | 3.3 | 5.6 | 8.4 | 13.1 | 14.0 | 15.3 | 11.6 | 10.3 | 5.8 | 0.9 |
| Absolute minimum temperature (°C) | -4.3 | -4.2 | -4.5 | -0.2 | 4.1 | 9.3 | 9.4 | 10.3 | 5.5 | 3.6 | -0.1 | -4.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 9.0 | 7.9 | 10.9 | 12.1 | 12.3 | 13.6 | 12.6 | 10.0 | 6.1 | 5.4 | 5.2 |
| Precipitation (mm) | 118 | 18 | 36 | 15 | 39 | 125 | 0 | 0 | 87 | 189 | 161 | 85 |
| Sunny days | 17 | 20 | 12 | 22 | 17 | 12 | 28 | 30 | 14 | 12 | 11 | 16 |
| Rainy days | 13 | 8 | 19 | 8 | 14 | 18 | 3 | 1 | 16 | 19 | 19 | 15 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rio de Onor during the most sunny months:
The largest precipitation sum in Rio de Onor is at