Average annual temperature is 14.9 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 210 days
Number of rainy days: 154 days
Number of snow days: 1 day
Look at detailed online map of San Siro
* Weather data for 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) | 13.3 | 15.7 | 22.0 | 23.9 | 27.6 | 33.5 | 37.4 | 38.8 | 32.4 | 32.2 | 19.3 | 21.1 |
| Average daytime temperature (°C) | 8.5 | 11.3 | 16.3 | 18.3 | 21.6 | 28.0 | 31.6 | 32.0 | 27.9 | 23.2 | 13.5 | 9.5 |
| Average temperature (°C) | 4.9 | 5.1 | 10.5 | 12.4 | 17.0 | 22.9 | 26.1 | 26.1 | 22.0 | 17.9 | 8.6 | 5.3 |
| Average night temperature (°C) | 1.7 | 0.3 | 4.9 | 6.8 | 12.9 | 17.6 | 20.5 | 20.1 | 16.4 | 13.3 | 4.3 | 2.1 |
| Absolute minimum temperature (°C) | -3.5 | -5.5 | 0.2 | 0.4 | 9.2 | 14.3 | 16.8 | 14.8 | 12.0 | 9.9 | -1.3 | -2.6 |
| 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) | 9.2 | 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) | 4.0 | 7.6 | 9.2 | 10.2 | 9.4 | 12.0 | 12.6 | 11.7 | 10.0 | 7.5 | 6.1 | 4.1 |
| Precipitation (mm) | 99 | 17 | 22 | 60 | 176 | 53 | 93 | 71 | 31 | 105 | 56 | 28 |
| Sunny days | 18 | 23 | 20 | 14 | 10 | 12 | 17 | 21 | 20 | 18 | 19 | 18 |
| Rainy days | 13 | 4 | 11 | 16 | 21 | 18 | 14 | 10 | 10 | 13 | 11 | 13 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Siro during the most sunny months:
Months with the longest average daylight duration in San Siro:
The largest precipitation sum in San Siro is at