Average annual temperature is 16.3 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 173 days
Number of rainy days: 190 days
Number of snow days: 2 days
Look at detailed online map of San Romano
* Weather data for San Romano 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) | 16.3 | 16.5 | 22.2 | 22.6 | 25.2 | 33.8 | 40.1 | 35.6 | 30.8 | 30.6 | 25.1 | 21.3 |
| Average daytime temperature (°C) | 11.1 | 11.8 | 16.0 | 15.7 | 20.1 | 25.6 | 32.5 | 30.2 | 26.8 | 25.6 | 18.1 | 14.1 |
| Average temperature (°C) | 7.5 | 7.8 | 11.4 | 11.7 | 16.6 | 21.8 | 27.1 | 25.0 | 22.0 | 20.3 | 13.2 | 10.0 |
| Average night temperature (°C) | 4.6 | 4.1 | 7.1 | 8.1 | 13.4 | 18.0 | 22.1 | 20.2 | 18.1 | 15.8 | 9.0 | 6.2 |
| Absolute minimum temperature (°C) | -0.5 | -1.5 | 2.8 | 4.1 | 10.4 | 14.5 | 17.1 | 15.5 | 13.2 | 11.8 | 0.9 | 2.3 |
| 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 | 15.2 | 14.9 | 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) | 5.7 | 7.8 | 8.6 | 9.1 | 9.2 | 12.5 | 13.7 | 12.3 | 10.0 | 8.9 | 6.5 | 7.3 |
| Precipitation (mm) | 147 | 54 | 117 | 171 | 218 | 158 | 34 | 55 | 74 | 23 | 174 | 44 |
| Sunny days | 12 | 14 | 16 | 7 | 5 | 9 | 17 | 22 | 16 | 21 | 14 | 20 |
| Rainy days | 19 | 12 | 15 | 23 | 26 | 21 | 14 | 9 | 14 | 10 | 16 | 11 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Romano during the most sunny months:
The largest precipitation sum in San Romano is at