Average annual temperature is 11.5 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 156 days
Number of rainy days: 194 days
Number of snow days: 15 days
Look at detailed online map of Township of Groton
* Weather data for Township of 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) | 16.1 | 19.8 | 17.7 | 27.7 | 30.3 | 30.3 | 32.3 | 30.8 | 31.7 | 29.1 | 19.4 | 17.0 |
| Average daytime temperature (°C) | 5.4 | 8.9 | 8.5 | 17.0 | 20.9 | 24.8 | 27.8 | 26.2 | 23.8 | 17.4 | 10.7 | 8.6 |
| Average temperature (°C) | 1.8 | 2.3 | 3.4 | 10.5 | 14.3 | 19.4 | 22.8 | 21.0 | 18.8 | 13.0 | 5.7 | 4.9 |
| Average night temperature (°C) | -1.2 | -2.0 | -0.3 | 4.8 | 8.8 | 14.5 | 18.2 | 16.7 | 14.6 | 9.5 | 1.9 | 2.2 |
| Absolute minimum temperature (°C) | -10.6 | -11.0 | -7.1 | -2.4 | 2.0 | 9.8 | 14.5 | 10.9 | 8.0 | -2.3 | -7.0 | -4.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.1 | 6.9 | 6.7 | 9.0 | 10.8 | 11.2 | 11.8 | 10.5 | 9.3 | 6.4 | 6.9 | 3.6 |
| Precipitation (mm) | 108 | 78 | 119 | 86 | 40 | 115 | 131 | 109 | 30 | 82 | 35 | 78 |
| Sunny days | 10 | 13 | 10 | 12 | 23 | 16 | 6 | 11 | 16 | 11 | 18 | 10 |
| Rainy days | 17 | 12 | 17 | 18 | 8 | 14 | 25 | 20 | 14 | 19 | 10 | 20 |
| Snow days | 4 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Township of Groton during the most sunny months:
The largest precipitation sum in Township of Groton is at