World Resorts USA Groton Weather

Winter weather in Groton

Weather in Groton in Winter

December January February
Average day temperature:
Average day temperature: 40.9°F 36.1°F 38.0°F
Average night temperature:
Average night temperature: 34.9°F 29.8°F 30.8°F
Sea water temperature:
Sea water temperature: 48.4°F 42.3°F 39.9°F
Number of sunny days:
Number of sunny days: 13 days 11 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 2 days 2 days
Precipitation totals:
Precipitation totals: 1.4 in. 1.1 in. 1.0 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

Sunniest months:
November 17 days
October 14 days
December 13 days
Warmest months:
July 79.9 °F
August 78.2 °F
June 73.5 °F
Warmest sea temp:
August 70.6 °F
July 69.1 °F
September 68.8 °F
Coldest months:
January 36.1 °F
February 38.0 °F
December 40.9 °F
Rainiest months:
July 3 days
November 3 days
October 3 days
Windiest months:
January 10.4 mph
December 10.2 mph
March 10.0 mph

Groton on a weather map

Groton
+30°F
S 7 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+77°F
+77°F
+79°F
+88°F
+61°F
+63°F
+72°F
+30°F
+66°F
+68°F
+55°F
+54°F
+64°F
+27°F
24 Hours Forecast
Groton
Local time: 19:28
February 05, thursday
2100
21°F
S
7 mph
February 06, friday
0000
16°F
SW
9 mph
0300
12°F
SW
8 mph
0600
16°F
S
7 mph
0900
23°F
S
7 mph
1200
28°F
W
3 mph
1500
30°F
N
3 mph
1800
28°F
NE
2 mph
Units of measurement: °C / °F