Average Monthly Sunshine hours in Groton (CT)

This graph shows the average number of hours per month that Groton receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, July is the sunniest month with 293 hours of sunshine.
• November has on average the lowest amount of sunshine with 139 hours.
• On average, the total annual amount of sun is 2580 hours.

Forecast: is it sunny in Groton (CT)?

Sun   Nov 24

10°C | 4°C

W 32 km/h

partly cloudy and no rain

hourly forecast

Mon   Nov 25

10°C | 2°C

NW 22 km/h

partly cloudy and no rain

hourly forecast

Tue   Nov 26

14°C | 4°C

SW 22 km/h

3.4 mm

partly cloudy and rain

hourly forecast

5-Day Forecast 10-Day Forecast