Average annual temperature is 17.9 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 144 days
Number of rainy days: 221 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) | 19.0 | 23.6 | 21.1 | 24.1 | 26.9 | 31.9 | 42.0 | 34.0 | 37.2 | 32.9 | 25.2 | 23.5 |
| Average daytime temperature (°C) | 14.6 | 14.1 | 16.4 | 17.9 | 22.2 | 26.1 | 32.8 | 29.9 | 28.7 | 26.0 | 20.3 | 16.7 |
| Average temperature (°C) | 10.7 | 9.8 | 12.3 | 14.0 | 18.2 | 22.4 | 27.8 | 25.6 | 23.7 | 20.8 | 16.6 | 12.5 |
| Average night temperature (°C) | 7.0 | 5.5 | 8.2 | 9.8 | 14.5 | 18.1 | 22.2 | 20.9 | 19.0 | 16.2 | 12.8 | 8.7 |
| Absolute minimum temperature (°C) | 3.6 | -0.8 | 4.4 | 5.7 | 11.4 | 15.0 | 17.9 | 17.3 | 15.6 | 12.7 | 7.7 | 4.1 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.8 | 7.9 | 9.3 | 10.7 | 9.9 | 12.5 | 13.5 | 12.2 | 10.7 | 9.5 | 7.6 | 7.0 |
| Precipitation (mm) | 147 | 54 | 113 | 125 | 164 | 97 | 30 | 35 | 38 | 45 | 172 | 48 |
| Sunny days | 5 | 12 | 13 | 9 | 6 | 8 | 24 | 17 | 15 | 16 | 6 | 13 |
| Rainy days | 26 | 16 | 18 | 21 | 25 | 22 | 7 | 14 | 15 | 15 | 24 | 18 |
| Snow days | 0 | 0 | 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