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Groton weather in July

Weather in Groton: July

Average day temperature: 79.9°F
Average night temperature: 68.3°F
Sea water temperature: 68.9°F
Number of sunny days: 11 days
Day length: 14.4 - 15.1 hours
Number of rainy days: 4 days
Precipitation totals: 1.5 in.

Air temperature in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
Day temperature   
Night temperature

The highest day temperature during July of 2024 was 82°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during July were 77.2°F and 68.5°F.

Sea water temperature in Groton in July, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
58
61
64
67
70
73
76
79

The average sea water temperature in July of 2024 was 68.5°F. The highest and lowest sea temperatures during the month were 72.3°F and 62.4°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
35%
29%
35%

Number of sunny, partly cloudy and cloudy days in July is almost equal.

Precipitation total in July, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.0
1.3
1.6
1.8
1.5
1.1
1.4
1.3
1.3
1.3
1.4
1.5
1.3
1.2
1.5
1.1
1.4
1.3
1.3
1.5
1.3
1.4
1.5
1.3
1.2

Precipitation total value in Groton in July is 1.5 in. Other months of the year show relatively similar values.

Wind speed in July, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.5
5.2
6.9
8.7
10.4
12.1
9.6
9.0
7.7
7.6
6.9
7.4
8.1
9.3
10.0
9.6
10.1
9.6
9.0
7.7
7.6
6.9
6.7
7.4
8.1
9.3
10.0
9.6
10.1

The average wind speed value in July is 6.7 mph It makes July lest windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.8
7.2
8.7
10.1
4.9
6.6
6.4
7.3
8.0
8.4
8.0
6.6
6.3
5.4
5.0
4.9
6.6
6.4
7.3
8.0
8.2
8.4
8.0
6.6
6.3
5.4
5.0

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 8.2.

Best time for vacation in Groton

Sunniest months:
November 16 days
September 14 days
October 13 days
Warmest months:
July 79.9 °F
August 78.5 °F
June 73.3 °F
Warmest sea temp:
August 70.6 °F
July 68.9 °F
September 68.8 °F
Coldest months:
January 36.7 °F
February 38.0 °F
December 41.7 °F
Rainiest months:
July 4 days
November 3 days
January 3 days
Windiest months:
January 10.1 mph
March 10.0 mph
February 9.6 mph

Groton on a weather map

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24 Hours Forecast
Groton
Local time: 07:24
April 04, friday
0900
52°F
S
8 mph
1200
54°F
SE
9 mph
1500
59°F
SE
10 mph
1800
61°F
SE
9 mph
2100
57°F
SE
6 mph
April 05, saturday
0000
54°F
SW
7 mph
0300
50°F
SW
4 mph
0600
46°F
W
9 mph
Units of measurement: °C / °F