Measurements:
°C
°F
CURRENT WEATHER
03:07
Groton
12°F
S 10 mph
Feels like: 6°F
Precip: 0%
World Resorts USA Groton Weather

7 Day Weather Forecast

12.05
fri
DAY
24°F
N 6 mph
precip
0%
NIGHT
30°F
N 2 mph
precip
0%
12.06
sat
DAY
34°F
NE 7 mph
precip
0%
NIGHT
32°F
E 8 mph
precip
0%
12.07
sun
DAY
36°F
SE 5 mph
precip
0%
NIGHT
36°F
W 4 mph
precip
0%
12.08
mon
DAY
28°F
S 24 mph
precip
79%
NIGHT
16°F
SE 14 mph
precip
0%
12.09
tue
DAY
26°F
NE 11 mph
precip
0%
NIGHT
36°F
NE 17 mph
precip
0%
12.10
wed
DAY
44°F
N 10 mph
precip
100%
NIGHT
48°F
NE 15 mph
precip
0%
12.11
thu
DAY
44°F
E 17 mph
precip
100%
NIGHT
26°F
E 18 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 9.0°F. The maximum and minimum values were 6.8°F and 11.6°F respectively.

Groton on the Weather Map

Best Time to Visit Groton
The most sunny months:
November 17 days
October 14 days
September 13 days
The most warm months:
July 83.2 °F
August 81.4 °F
June 76.1 °F
Warmest sea temperature:
August 72.9 °F
July 71.2 °F
September 70.9 °F
The most cold months:
January 35.3 °F
February 36.7 °F
December 40.7 °F
The most rainy months:
November 3 days
July 3 days
January 3 days
The most windy months:
January 10 mph
March 10 mph
November 9 mph
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