Average annual temperature is 15.1 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 0.2 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Riaño
* Weather data for Riaño Spain is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.7 | 21.3 | 27.3 | 23.2 | 31.9 | 29.3 | 32.4 | 41.4 | 31.8 | 33.9 | 21.9 | 19.5 |
| Average daytime temperature (°C) | 11.3 | 12.8 | 17.2 | 17.2 | 18.6 | 23.4 | 23.5 | 24.9 | 25.6 | 23.2 | 16.7 | 13.9 |
| Average temperature (°C) | 8.3 | 8.4 | 12.9 | 13.0 | 15.0 | 19.6 | 19.7 | 20.5 | 20.6 | 18.7 | 13.4 | 10.5 |
| Average night temperature (°C) | 5.4 | 4.9 | 8.9 | 9.2 | 11.7 | 16.2 | 16.2 | 16.9 | 16.5 | 14.8 | 10.7 | 7.5 |
| Absolute minimum temperature (°C) | 0.2 | 1.1 | 1.3 | 1.8 | 7.4 | 13.4 | 13.0 | 12.7 | 11.1 | 9.1 | 6.0 | 2.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.3 | 7.2 | 7.7 | 8.9 | 9.7 | 9.9 | 9.5 | 9.4 | 9.7 | 6.9 | 5.0 | 5.1 |
| Precipitation (mm) | 329 | 90 | 106 | 131 | 206 | 132 | 70 | 132 | 112 | 101 | 274 | 160 |
| Sunny days | 8 | 16 | 11 | 11 | 7 | 5 | 6 | 12 | 11 | 13 | 3 | 11 |
| Rainy days | 23 | 12 | 20 | 19 | 24 | 25 | 25 | 19 | 19 | 18 | 27 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Riaño during the most sunny months:
Months with the longest average daylight duration in Riaño:
The largest precipitation sum in Riaño is at