Average annual temperature is 12.7 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -6.1 °C
Number of sunny days: 168 days
Number of rainy days: 191 days
Number of snow days: 6 days
Look at detailed online map of Case Summa
* Weather data for Case Summa 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) | 14.2 | 15.7 | 16.4 | 17.8 | 20.9 | 30.8 | 36.5 | 32.8 | 30.6 | 26.9 | 18.7 | 16.3 |
| Average daytime temperature (°C) | 7.5 | 8.3 | 11.5 | 12.0 | 17.1 | 22.7 | 30.2 | 27.4 | 25.3 | 22.0 | 13.5 | 10.3 |
| Average temperature (°C) | 4.2 | 3.7 | 7.0 | 7.9 | 13.2 | 17.8 | 24.1 | 21.3 | 19.5 | 16.7 | 10.0 | 6.5 |
| Average night temperature (°C) | 1.0 | -0.2 | 2.8 | 4.2 | 9.7 | 13.1 | 18.1 | 15.8 | 14.4 | 12.1 | 7.2 | 3.6 |
| Absolute minimum temperature (°C) | -6.1 | -6.0 | -2.4 | -2.7 | 6.3 | 10.2 | 13.9 | 12.2 | 9.7 | 7.9 | -1.4 | -2.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.2 | 7.3 | 9.0 | 8.6 | 8.5 | 11.9 | 13.6 | 12.4 | 10.6 | 8.7 | 6.3 | 6.6 |
| Precipitation (mm) | 144 | 31 | 83 | 133 | 171 | 78 | 5 | 11 | 34 | 43 | 88 | 15 |
| Sunny days | 12 | 14 | 15 | 6 | 3 | 11 | 24 | 19 | 17 | 19 | 9 | 19 |
| Rainy days | 18 | 9 | 16 | 24 | 28 | 19 | 7 | 12 | 13 | 12 | 21 | 12 |
| Snow days | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Case Summa during the most sunny months:
The largest precipitation sum in Case Summa is at