Measurements:
°C
°F
Groton
14°F
SE 14 mph
Feels like: -2°F
Precip: 0%
World Resorts USA Groton Weather

7 Day Weather Forecast

12.22
sun
DAY
20°F
SE 13 mph
precip
0%
NIGHT
14°F
S 6 mph
precip
0%
12.23
mon
DAY
22°F
E 1 mph
precip
0%
NIGHT
32°F
NE 15 mph
precip
0%
12.24
tue
DAY
34°F
E 11 mph
precip
0%
NIGHT
30°F
SW 9 mph
precip
0%
12.25
wed
DAY
32°F
SW 8 mph
precip
0%
NIGHT
28°F
SW 6 mph
precip
0%
12.26
thu
DAY
34°F
SE 3 mph
precip
0%
NIGHT
32°F
S 7 mph
precip
28%
12.27
fri
DAY
34°F
SW 12 mph
precip
0%
NIGHT
28°F
SW 11 mph
precip
0%
12.28
sat
DAY
34°F
SW 11 mph
precip
0%
NIGHT
28°F
SW 9 mph
precip
0%

Groton Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Groton was 9.7°F. The maximum and minimum values were 8.3°F and 11.6°F respectively.

Groton on the Weather Map

Best Time to Visit Groton
The most sunny months:
November 16 days
September 14 days
October 13 days
The most warm months:
July 83.3 °F
August 81.6 °F
June 75.9 °F
Warmest sea temperature:
August 72.9 °F
July 71.0 °F
September 70.9 °F
The most cold months:
January 35.9 °F
February 37.0 °F
December 41.3 °F
The most rainy months:
July 4 days
June 3 days
November 3 days
The most windy months:
March 9 mph
January 9 mph
April 9 mph