Average annual temperature is 10.4 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 166 days
Number of rainy days: 185 days
Number of snow days: 14 days
Look at detailed online map of Castel San Giovanni
* Weather data for Castel San Giovanni 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) | 12.3 | 15.5 | 16.8 | 17.1 | 19.8 | 30.3 | 35.1 | 33.2 | 27.9 | 25.1 | 17.2 | 15.1 |
| Average daytime temperature (°C) | 6.1 | 8.1 | 10.7 | 11.3 | 16.3 | 21.8 | 28.2 | 26.3 | 23.0 | 20.1 | 10.7 | 9.0 |
| Average temperature (°C) | 1.5 | 1.8 | 5.6 | 5.9 | 11.4 | 16.2 | 21.7 | 19.4 | 16.4 | 14.0 | 6.5 | 3.7 |
| Average night temperature (°C) | -2.7 | -2.8 | 0.7 | 0.6 | 6.5 | 10.1 | 14.1 | 12.8 | 10.3 | 8.5 | 2.2 | -0.3 |
| Absolute minimum temperature (°C) | -12.5 | -6.9 | -4.1 | -4.9 | 1.8 | 6.8 | 10.6 | 8.0 | 4.0 | 4.5 | -4.1 | -5.4 |
| 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) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 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) | 5.5 | 8.3 | 8.2 | 8.9 | 9.4 | 12.4 | 13.6 | 12.1 | 10.5 | 8.7 | 5.3 | 6.1 |
| Precipitation (mm) | 129 | 34 | 66 | 98 | 129 | 92 | 15 | 43 | 40 | 64 | 144 | 42 |
| Sunny days | 16 | 21 | 12 | 9 | 2 | 10 | 18 | 20 | 17 | 14 | 9 | 18 |
| Rainy days | 7 | 6 | 17 | 20 | 29 | 20 | 13 | 11 | 13 | 17 | 21 | 11 |
| Snow days | 8 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Castel San Giovanni during the most sunny months:
Months with the longest average daylight duration in Castel San Giovanni:
The largest precipitation sum in Castel San Giovanni is at