Average annual temperature is 9.5 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -23.8 °C
Number of sunny days: 111 days
Number of rainy days: 225 days
Number of snow days: 29 days
Look at detailed online map of West Groton
* Weather data for West Groton 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) | 12.6 | 16.3 | 14.8 | 27.0 | 30.2 | 30.7 | 31.3 | 27.7 | 30.1 | 27.5 | 14.1 | 13.0 |
| Average daytime temperature (°C) | 3.2 | 5.1 | 5.3 | 16.0 | 19.3 | 23.2 | 26.5 | 23.6 | 21.7 | 15.5 | 7.2 | 5.8 |
| Average temperature (°C) | 0.1 | -0.9 | 0.5 | 9.2 | 12.5 | 17.7 | 21.3 | 18.8 | 16.6 | 11.5 | 3.0 | 2.5 |
| Average night temperature (°C) | -2.6 | -5.3 | -3.4 | 3.9 | 6.2 | 13.1 | 17.1 | 15.1 | 12.7 | 8.4 | 0.0 | 0.3 |
| Absolute minimum temperature (°C) | -8.9 | -23.8 | -9.9 | -5.3 | -0.9 | 7.8 | 12.8 | 9.6 | 5.8 | 0.6 | -5.6 | -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 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 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 | 9.0 |
| Sunshine mean duration (h) | 2.3 | 5.0 | 5.1 | 8.5 | 11.9 | 11.1 | 11.3 | 9.9 | 8.9 | 5.7 | 5.3 | 3.2 |
| Precipitation (mm) | 120 | 79 | 111 | 114 | 42 | 128 | 147 | 153 | 53 | 100 | 56 | 136 |
| Sunny days | 5 | 6 | 8 | 11 | 20 | 10 | 5 | 6 | 14 | 10 | 9 | 7 |
| Rainy days | 19 | 12 | 18 | 19 | 11 | 20 | 26 | 25 | 16 | 21 | 18 | 20 |
| Snow days | 7 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit West Groton during the most sunny months:
Months with the longest average daylight duration in West Groton:
The largest precipitation sum in West Groton is at