Average annual temperature is 11.7 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 142 days
Number of rainy days: 207 days
Number of snow days: 16 days
Look at detailed online map of Riano
* Weather data for Riano Italy is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.6 | 13.3 | 18.2 | 18.4 | 19.5 | 30.8 | 34.9 | 31.4 | 27.9 | 26.8 | 19.1 | 16.6 |
| Average daytime temperature (°C) | 6.5 | 7.4 | 11.2 | 10.9 | 15.2 | 21.3 | 27.6 | 25.3 | 22.1 | 20.6 | 12.4 | 10.5 |
| Average temperature (°C) | 3.2 | 2.7 | 6.8 | 6.8 | 12.0 | 17.1 | 22.4 | 20.4 | 17.4 | 15.9 | 8.4 | 6.1 |
| Average night temperature (°C) | 0.5 | -1.5 | 2.6 | 3.0 | 8.8 | 12.8 | 17.2 | 15.8 | 13.4 | 12.0 | 4.7 | 2.8 |
| Absolute minimum temperature (°C) | -4.5 | -7.8 | -4.6 | -4.1 | 5.5 | 9.7 | 12.9 | 10.6 | 9.5 | 8.0 | -2.8 | -2.2 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 6.9 | 8.0 | 7.9 | 8.4 | 12.4 | 13.6 | 12.4 | 10.1 | 8.7 | 5.5 | 6.4 |
| Precipitation (mm) | 180 | 60 | 86 | 142 | 273 | 182 | 69 | 57 | 78 | 61 | 165 | 48 |
| Sunny days | 12 | 16 | 11 | 5 | 1 | 10 | 13 | 15 | 12 | 16 | 11 | 20 |
| Rainy days | 9 | 7 | 20 | 24 | 30 | 20 | 18 | 16 | 18 | 15 | 19 | 11 |
| Snow days | 10 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Riano during the most sunny months:
Months with the longest average daylight duration in Riano:
The largest precipitation sum in Riano is at