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Monthly Historical Averages
Groton Long Point, CT
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Daily Historical Averages
December 2025
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
5°
25
6°
26
-3°
27
-1°
28
3°
29
6°
30
-2°
31
1°
Forecast
Wednesday, December 24, 2025
Day
5°
Feels 0
Wind
39 km/h NW
Gust
79 km/h
Humidity
56%
P.O.P
40%
Rain
<1 mm
Night
-1°
Feels -6
Wind
21 km/h N
Gust
38 km/h
Humidity
86%
P.O.P
30%
Historical Averages
Dec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
December
Average Temperature
High
7°
Feels 4
Low
0°
Feels -4
Average Precipitation
11 Days
Rain amount
84.3mm
Snow amount
13.6cm