Average annual temperature is 8.4 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -30.1 °C
Number of sunny days: 151 days
Number of rainy days: 192 days
Number of snow days: 22 days
Look at detailed online map of Westminster
* Weather data for Westminster 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) | 7.9 | 11.4 | 11.7 | 28.9 | 29.9 | 32.7 | 29.9 | 26.6 | 30.2 | 26.6 | 16.3 | 13.9 |
| Average daytime temperature (°C) | 2.3 | 2.9 | 5.2 | 14.3 | 19.5 | 22.2 | 26.0 | 23.5 | 21.4 | 16.3 | 6.2 | 4.9 |
| Average temperature (°C) | -1.7 | -3.6 | 0.0 | 7.8 | 12.4 | 16.7 | 20.8 | 18.5 | 16.3 | 11.0 | 1.1 | 0.6 |
| Average night temperature (°C) | -5.2 | -8.9 | -4.7 | 2.6 | 5.7 | 11.8 | 16.4 | 14.1 | 11.9 | 6.9 | -2.8 | -2.3 |
| Absolute minimum temperature (°C) | -13.4 | -30.1 | -12.6 | -5.1 | -2.3 | 5.5 | 10.9 | 8.6 | 5.0 | -0.9 | -7.9 | -8.7 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 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) | 3.7 | 6.2 | 7.1 | 8.3 | 11.6 | 9.7 | 10.1 | 10.0 | 7.9 | 7.0 | 6.9 | 4.8 |
| Precipitation (mm) | 138 | 46 | 105 | 108 | 79 | 137 | 265 | 121 | 126 | 103 | 57 | 154 |
| Sunny days | 8 | 14 | 12 | 13 | 18 | 8 | 5 | 10 | 16 | 14 | 19 | 14 |
| Rainy days | 16 | 9 | 14 | 17 | 13 | 22 | 26 | 21 | 14 | 17 | 9 | 14 |
| Snow days | 7 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Westminster during the most sunny months:
Months with the longest average daylight duration in Westminster:
The largest precipitation sum in Westminster is at