Groton, CT Weather Data
Groton, CT Current Weather Data
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Groton, CT Historical Weather Trends
*Historical weather data collected from Long Hill, CT
Groton, CT
Groton, CT area Highlights
Groton, CT Chance of Sunshine
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
54.84%
8
9
14
February
57.14%
8
8
12
March
58.06%
9
9
13
April
55.17%
8
8
13
May
58.06%
7
11
13
June
60.00%
8
10
12
July
58.06%
7
11
13
August
58.06%
7
11
13
September
63.33%
10
9
11
October
61.29%
11
8
12
November
54.84%
7
10
14
December
54.84%
7
10
14
Groton, CT Historical Temperature
Month
Average
Max Average
Min Average
January
30.02°
37.83°
22.18°
February
32.87°
40.92°
24.75°
March
40.18°
48.22°
32.12°
April
49°
57.83°
40.08°
May
57.62°
65.65°
49.5°
June
66.36°
74.04°
58.6°
July
73.45°
80.93°
65.93°
August
71.42°
79.06°
63.74°
September
65.3°
73.45°
57.12°
October
54.98°
63.35°
46.55°
November
44.56°
52.62°
36.44°
December
35.9°
43.72°
28.05°
Groton, CT Rainfall and Snowfall Average
Month
Average Rainfall
Average Snowfall
January
1.52 Inches
8.21 Inches
February
2.23 Inches
7.93 Inches
March
3.55 Inches
2.75 Inches
April
2.46 Inches
0 Inches
May
2.95 Inches
0 Inches
June
3.33 Inches
0 Inches
July
3.15 Inches
0 Inches
August
1.41 Inches
0 Inches
September
2.16 Inches
0 Inches
October
2.77 Inches
0 Inches
November
1.95 Inches
0.02 Inches
December
2.7 Inches
5.85 Inches
Groton, CT Energy Demand
January
34.77
0
34.77
February
31.35
0
31.35
March
24.55
0
24.55
April
15.82
0.02
15.84
May
7.66
0.41
8.07
June
1.43
2.97
4.4
July
0.09
8.29
8.38
August
0.1
6.58
6.68
September
2.13
2.7
4.83
October
10.17
0.27
10.44
November
19.67
0
19.67
December
29.46
0
29.46
