Weather in Groton: May
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Average day temperature: | 63.6°F |
| Average night temperature: | 51.4°F | |
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Sea water temperature: | 52.1°F |
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Number of sunny days: | 11 days |
| Day length: | 14.0 - 14.9 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
| more information | ||
14 days
forecast
forecast
| Groton |
sea water
temperature
temperature
| Groton |
Air temperature in May, °F
Show year:
2024
2023
2022
The highest day temperature during May of 2024 was 70°F. At the same time the lowest night temperature was 42°F. Day and night temperature averages during May were 61.1°F and 52.9°F.
Sea water temperature in Groton in May, °F
Show year:
2024
2023
2022
The average sea water temperature in May of 2024 was 52.9°F. The highest and lowest sea temperatures during the month were 58.5°F and 47.5°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Groton in May is 1.4 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 8.1 mph
Average sunny hours
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 May is: 8.0.
Best time for vacation in Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 13:49
November 21, thursday
1500
48°F
W
20 mph
20 mph
1800
48°F
W
19 mph
19 mph
2100
50°F
W
25 mph
25 mph
November 22, friday
0000
48°F
NE
22 mph
22 mph
0300
45°F
NE
20 mph
20 mph
0600
43°F
NE
15 mph
15 mph
0900
45°F
NE
11 mph
11 mph
1200
45°F
NE
7 mph
7 mph
