Average annual temperature is 12.5 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 170 days
Number of rainy days: 189 days
Number of snow days: 6 days
Look at detailed online map of Groppo San Siro
* Weather data for Groppo San Siro 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) | 13.2 | 17.1 | 19.3 | 19.4 | 23.9 | 30.7 | 32.8 | 36.1 | 29.7 | 30.7 | 17.1 | 15.6 |
| Average daytime temperature (°C) | 7.4 | 9.5 | 13.2 | 14.9 | 17.7 | 24.1 | 28.1 | 28.2 | 24.0 | 20.3 | 12.5 | 10.1 |
| Average temperature (°C) | 3.9 | 4.0 | 8.1 | 9.4 | 13.6 | 19.1 | 22.3 | 22.3 | 18.4 | 15.3 | 7.8 | 5.4 |
| Average night temperature (°C) | 0.9 | 0.0 | 3.5 | 4.2 | 9.4 | 13.8 | 16.4 | 16.6 | 13.0 | 10.9 | 3.4 | 1.8 |
| Absolute minimum temperature (°C) | -4.9 | -6.7 | -2.0 | -1.4 | 6.2 | 11.0 | 11.9 | 10.1 | 8.0 | 7.1 | -4.7 | -3.8 |
| 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 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| 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) | 4.5 | 7.7 | 8.9 | 10.4 | 9.2 | 12.3 | 13.1 | 11.9 | 10.0 | 7.2 | 6.0 | 4.8 |
| Precipitation (mm) | 121 | 34 | 27 | 51 | 181 | 70 | 32 | 49 | 43 | 179 | 109 | 63 |
| Sunny days | 13 | 22 | 16 | 13 | 3 | 11 | 12 | 18 | 18 | 15 | 14 | 15 |
| Rainy days | 14 | 5 | 14 | 17 | 28 | 19 | 19 | 13 | 12 | 16 | 16 | 16 |
| Snow days | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Groppo San Siro during the most sunny months:
Months with the longest average daylight duration in Groppo San Siro:
The largest precipitation sum in Groppo San Siro is at