Average annual temperature is 7.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -23.5 °C
Number of sunny days: 170 days
Number of rainy days: 147 days
Number of snow days: 48 days
Look at detailed online map of Commonwealth
* Weather data for Commonwealth United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.1 | 6.8 | 6.6 | 27.3 | 31.5 | 32.2 | 31.0 | 28.7 | 33.2 | 29.3 | 15.5 | 8.8 |
| Average daytime temperature (°C) | -2.7 | -1.3 | 1.9 | 10.3 | 20.4 | 25.7 | 25.4 | 24.8 | 22.2 | 12.7 | 5.4 | 3.1 |
| Average temperature (°C) | -5.9 | -6.2 | -3.4 | 4.1 | 13.0 | 18.8 | 19.2 | 18.5 | 16.4 | 8.5 | 0.8 | -0.4 |
| Average night temperature (°C) | -8.5 | -10.2 | -7.7 | -0.5 | 7.0 | 12.4 | 13.9 | 13.6 | 12.2 | 5.4 | -2.4 | -3.0 |
| Absolute minimum temperature (°C) | -23.5 | -22.1 | -13.4 | -11.7 | -2.3 | 5.5 | 9.4 | 7.0 | 4.8 | -4.4 | -10.4 | -9.8 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 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) | 3.1 | 6.4 | 6.8 | 7.1 | 10.5 | 11.7 | 12.2 | 10.3 | 7.5 | 5.6 | 5.3 | 3.2 |
| Precipitation (mm) | 47 | 43 | 57 | 106 | 50 | 47 | 86 | 93 | 40 | 47 | 25 | 29 |
| Sunny days | 13 | 15 | 14 | 10 | 20 | 15 | 5 | 17 | 15 | 11 | 18 | 17 |
| Rainy days | 5 | 3 | 7 | 14 | 11 | 15 | 26 | 14 | 15 | 20 | 7 | 10 |
| Snow days | 13 | 10 | 10 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 4 |
The best time to visit Commonwealth during the most sunny months:
Months with the longest average daylight duration in Commonwealth:
The largest precipitation sum in Commonwealth is at