Average annual temperature is 12.8 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 155 days
Number of rainy days: 206 days
Number of snow days: 4 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) | 12.6 | 15.0 | 16.6 | 19.2 | 23.7 | 30.7 | 31.4 | 35.2 | 27.9 | 25.6 | 18.0 | 15.6 |
| Average daytime temperature (°C) | 7.9 | 9.6 | 12.4 | 14.4 | 18.7 | 23.8 | 27.2 | 27.0 | 23.9 | 19.4 | 12.1 | 10.2 |
| Average temperature (°C) | 4.5 | 4.5 | 8.0 | 9.6 | 14.4 | 19.1 | 22.3 | 21.7 | 18.2 | 15.4 | 8.5 | 6.3 |
| Average night temperature (°C) | 1.1 | 0.2 | 3.7 | 4.4 | 9.9 | 13.4 | 16.9 | 16.0 | 13.0 | 11.6 | 4.6 | 2.9 |
| Absolute minimum temperature (°C) | -4.7 | -4.5 | -3.3 | -3.7 | 5.3 | 10.4 | 13.8 | 10.8 | 8.7 | 7.8 | -2.3 | -3.4 |
| 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 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 7.4 | 8.0 | 10.8 | 9.9 | 12.3 | 13.3 | 11.7 | 10.4 | 7.1 | 5.2 | 4.7 |
| Precipitation (mm) | 223 | 58 | 127 | 93 | 170 | 149 | 30 | 135 | 96 | 533 | 390 | 204 |
| Sunny days | 9 | 20 | 10 | 10 | 7 | 10 | 20 | 18 | 18 | 13 | 5 | 15 |
| Rainy days | 19 | 7 | 21 | 20 | 24 | 20 | 11 | 13 | 12 | 18 | 25 | 16 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Romano during the most sunny months:
Months with the longest average daylight duration in San Romano:
The largest precipitation sum in San Romano is at