Average annual temperature is 13.1 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 181 days
Number of rainy days: 179 days
Number of snow days: 5 days
Look at detailed online map of Riolo
* Weather data for Riolo 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) | 12.6 | 15.8 | 19.3 | 21.4 | 24.8 | 30.8 | 36.4 | 36.3 | 30.0 | 30.8 | 17.8 | 19.9 |
| Average daytime temperature (°C) | 7.0 | 9.9 | 14.0 | 15.6 | 18.2 | 24.8 | 29.5 | 29.1 | 25.1 | 21.2 | 12.4 | 9.7 |
| Average temperature (°C) | 3.4 | 4.6 | 9.1 | 10.4 | 14.3 | 20.0 | 23.5 | 23.3 | 19.5 | 16.1 | 7.9 | 4.6 |
| Average night temperature (°C) | 0.3 | 0.2 | 4.5 | 5.4 | 10.3 | 14.7 | 17.6 | 17.1 | 13.7 | 11.4 | 3.5 | 0.4 |
| Absolute minimum temperature (°C) | -5.4 | -5.7 | -3.1 | -1.7 | 6.1 | 11.7 | 13.8 | 10.7 | 10.0 | 6.9 | -3.2 | -4.7 |
| 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) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 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) | 4.7 | 7.7 | 9.0 | 10.6 | 8.6 | 12.1 | 13.1 | 11.7 | 10.4 | 7.6 | 6.6 | 5.1 |
| Precipitation (mm) | 107 | 48 | 36 | 62 | 243 | 103 | 38 | 74 | 15 | 105 | 77 | 37 |
| Sunny days | 12 | 21 | 21 | 10 | 5 | 8 | 12 | 19 | 19 | 16 | 16 | 22 |
| Rainy days | 16 | 6 | 10 | 20 | 26 | 22 | 19 | 12 | 11 | 15 | 14 | 8 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Riolo during the most sunny months:
Months with the longest average daylight duration in Riolo:
The largest precipitation sum in Riolo is at