Average annual temperature is 12.2 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 176 days
Number of rainy days: 184 days
Number of snow days: 5 days
Look at detailed online map of San Leo
* Weather data for San Leo 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) | 13.9 | 15.5 | 16.9 | 17.6 | 20.9 | 31.5 | 36.4 | 34.5 | 29.9 | 27.8 | 16.0 | 14.5 |
| Average daytime temperature (°C) | 7.8 | 8.9 | 11.5 | 12.4 | 17.0 | 22.7 | 29.5 | 27.1 | 24.5 | 21.4 | 12.3 | 9.8 |
| Average temperature (°C) | 3.7 | 3.9 | 7.0 | 7.8 | 13.0 | 17.7 | 23.1 | 20.6 | 18.6 | 15.8 | 8.9 | 6.1 |
| Average night temperature (°C) | 0.3 | -0.1 | 2.9 | 3.5 | 9.1 | 12.5 | 16.7 | 14.6 | 13.5 | 11.0 | 5.4 | 2.7 |
| Absolute minimum temperature (°C) | -4.3 | -3.6 | -2.7 | -3.1 | 4.7 | 7.9 | 13.3 | 10.8 | 9.5 | 7.6 | -4.1 | -2.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 7.9 | 8.3 | 9.2 | 8.4 | 12.3 | 13.5 | 12.1 | 10.3 | 8.7 | 5.7 | 6.5 |
| Precipitation (mm) | 119 | 28 | 47 | 53 | 184 | 77 | 7 | 31 | 28 | 79 | 131 | 24 |
| Sunny days | 14 | 17 | 15 | 12 | 2 | 14 | 23 | 17 | 21 | 16 | 8 | 17 |
| Rainy days | 17 | 6 | 16 | 18 | 29 | 16 | 8 | 14 | 9 | 15 | 22 | 14 |
| Snow days | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Leo during the most sunny months:
The largest precipitation sum in San Leo is at