Average annual temperature is 14.6 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Castel San Pietro Romano
* Weather data for Castel San Pietro 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) | 15.8 | 16.3 | 19.6 | 20.5 | 26.0 | 33.7 | 38.3 | 37.0 | 31.1 | 29.8 | 19.5 | 16.9 |
| Average daytime temperature (°C) | 11.0 | 12.1 | 14.9 | 16.3 | 20.3 | 26.0 | 32.4 | 30.7 | 27.6 | 23.7 | 15.4 | 12.7 |
| Average temperature (°C) | 6.3 | 5.9 | 9.6 | 10.7 | 15.6 | 20.3 | 25.5 | 23.6 | 20.9 | 18.0 | 10.8 | 7.7 |
| Average night temperature (°C) | 2.3 | 0.9 | 4.8 | 4.9 | 10.9 | 14.7 | 18.8 | 17.0 | 15.2 | 13.2 | 6.3 | 3.3 |
| Absolute minimum temperature (°C) | -2.5 | -3.5 | 1.1 | -0.1 | 8.3 | 11.0 | 13.7 | 12.3 | 11.3 | 10.2 | -2.5 | -2.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 8.3 | 8.7 | 10.1 | 9.1 | 12.7 | 13.6 | 12.3 | 10.8 | 8.8 | 6.4 | 6.5 |
| Precipitation (mm) | 197 | 48 | 122 | 97 | 212 | 138 | 12 | 93 | 33 | 164 | 231 | 43 |
| Sunny days | 13 | 20 | 13 | 10 | 2 | 10 | 23 | 21 | 20 | 16 | 6 | 16 |
| Rainy days | 18 | 8 | 18 | 20 | 29 | 20 | 8 | 10 | 10 | 15 | 24 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castel San Pietro Romano during the most sunny months:
The largest precipitation sum in Castel San Pietro Romano is at