Please click on any column to get detailed information about Groton weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Groton is july. The average daily temp is 79.9°F. The average nightly temp is 68.5°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 70.6°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Groton
Groton on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Groton
Local time: 02:37
December 23, tuesday
0300
32°F
E
11 mph
11 mph
0600
32°F
E
6 mph
6 mph
0900
34°F
NE
11 mph
11 mph
1200
36°F
N
8 mph
8 mph
1500
37°F
N
10 mph
10 mph
1800
39°F
N
9 mph
9 mph
2100
39°F
E
11 mph
11 mph
December 24, wednesday
0000
36°F
E
14 mph
14 mph
