Weather in Groton in Winter
| December | January | February | ||||
| Average day temperature: | ||||||
| Average day temperature: | 42.2°F | 37.3°F | 38.3°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 36.5°F | 31.4°F | 31.1°F | |||
| Sea water temperature: | ||||||
| Sea water temperature: | 49.0°F | 43.1°F | 40.5°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 11 days | 8 days | 9 days | |||
| Day length: | ||||||
| Day length: | 9.2 - 9.4 h. | 9.2 - 10.0 h. | 10.1 - 11.3 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 3 days | 3 days | 2 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.8 in. | 1.4 in. | 1.2 in. | |||
Day & Night air temperature, °F
Sea water temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 15:57
November 21, thursday
1800
48°F
SW
17 mph
17 mph
2100
48°F
W
20 mph
20 mph
November 22, friday
0000
48°F
W
21 mph
21 mph
0300
46°F
NE
24 mph
24 mph
0600
45°F
NE
23 mph
23 mph
0900
45°F
NE
22 mph
22 mph
1200
46°F
N
17 mph
17 mph
1500
48°F
N
14 mph
14 mph
