Average annual temperature is 15.3 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: -3.9 °C
Number of sunny days: 213 days
Number of rainy days: 152 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) | 14.7 | 15.3 | 21.7 | 24.6 | 27.2 | 34.2 | 37.6 | 38.1 | 32.8 | 31.1 | 20.6 | 19.6 |
| Average daytime temperature (°C) | 9.4 | 11.4 | 16.5 | 17.6 | 21.1 | 27.8 | 32.2 | 31.9 | 28.2 | 24.1 | 14.5 | 10.5 |
| Average temperature (°C) | 5.8 | 5.6 | 11.1 | 12.2 | 16.9 | 22.6 | 26.5 | 25.8 | 22.4 | 18.7 | 9.7 | 6.1 |
| Average night temperature (°C) | 2.8 | 0.9 | 6.0 | 6.9 | 12.7 | 17.4 | 20.8 | 19.9 | 17.2 | 13.9 | 5.6 | 2.5 |
| Absolute minimum temperature (°C) | -2.7 | -3.9 | -0.2 | -0.9 | 9.2 | 14.1 | 17.5 | 14.5 | 13.5 | 10.1 | -0.6 | -1.8 |
| 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) | 4.3 | 7.5 | 9.2 | 10.5 | 9.2 | 12.0 | 13.1 | 11.6 | 10.2 | 7.8 | 6.6 | 5.3 |
| Precipitation (mm) | 75 | 26 | 57 | 38 | 297 | 79 | 65 | 63 | 35 | 44 | 92 | 19 |
| Sunny days | 15 | 24 | 19 | 13 | 10 | 11 | 21 | 23 | 20 | 21 | 15 | 21 |
| Rainy days | 16 | 4 | 12 | 17 | 21 | 19 | 10 | 8 | 10 | 10 | 15 | 10 |
| 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:
Months with the longest average daylight duration in San Leo:
The largest precipitation sum in San Leo is at