Average annual temperature is 9.8 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 183 days
Number of rainy days: 167 days
Number of snow days: 15 days
Look at detailed online map of San Costantino
* Weather data for San Costantino 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) | 10.7 | 15.1 | 16.6 | 19.4 | 22.8 | 30.0 | 30.6 | 32.2 | 29.1 | 24.6 | 12.7 | 11.7 |
| Average daytime temperature (°C) | 5.2 | 9.1 | 11.5 | 13.2 | 17.5 | 23.2 | 25.3 | 25.7 | 23.0 | 17.4 | 7.9 | 6.0 |
| Average temperature (°C) | 0.8 | 2.8 | 5.6 | 7.4 | 12.4 | 17.4 | 19.3 | 19.4 | 16.9 | 12.2 | 2.3 | 1.0 |
| Average night temperature (°C) | -3.0 | -2.5 | -0.2 | 1.0 | 7.3 | 11.2 | 12.8 | 13.3 | 11.3 | 7.0 | -2.4 | -2.5 |
| Absolute minimum temperature (°C) | -6.5 | -7.8 | -3.9 | -4.1 | 4.0 | 6.9 | 6.4 | 5.6 | 4.5 | 0.5 | -5.7 | -7.3 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.1 | 12.6 | 10.9 | 9.4 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.8 | 8.7 | 8.4 | 10.0 | 9.4 | 12.9 | 12.5 | 10.9 | 10.3 | 7.8 | 6.5 | 5.3 |
| Precipitation (mm) | 22 | 5 | 32 | 69 | 204 | 61 | 117 | 146 | 60 | 129 | 60 | 88 |
| Sunny days | 22 | 23 | 17 | 13 | 4 | 10 | 9 | 17 | 19 | 16 | 15 | 18 |
| Rainy days | 4 | 3 | 13 | 17 | 27 | 20 | 22 | 14 | 11 | 15 | 12 | 9 |
| Snow days | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit San Costantino during the most sunny months:
Months with the longest average daylight duration in San Costantino:
The largest precipitation sum in San Costantino is at