Measurements:
°C
°F
Groton
52°F
NE 9 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Groton Weather

Groton Sea Water Temperature

Current Sea Water Temperature:
+47.2°F
Maximum Sea Water Temperature in April: 49.4°F
Minimum Sea Water Temperature in April: 41.0°F
Average water temperature in April: 45.1°F

Sea Water Temperature for the Last 10 Days:

April 27 47.2°F April 22 45.6°F
April 26 48.2°F April 21 46.4°F
April 25 48.4°F April 20 46.4°F
April 24 46.2°F April 19 46.8°F
April 23 46.4°F April 18 47.2°F

When is the Warmest Sea for Groton?

According to our data for the last three years for Groton the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2023 2022 2021

The average sea surface temperature in August 2023 for Groton was 71.8°F. The maximum and minimum values were 69.6°F and 74.6°F respectively.

Sea Water Temperature in September

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Groton was 70.8°F. The maximum and minimum values were 66.2°F and 75.6°F respectively.

Sea Water Temperature in July

Select Year: 2023 2022 2021

The average sea surface temperature in July 2023 for Groton was 72.5°F. The maximum and minimum values were 68.4°F and 75.8°F respectively.

Best Time to Visit Groton
The most sunny months:
November 16 days
September 15 days
October 12 days
The most warm months:
July 84.0 °F
August 82.5 °F
June 76.1 °F
Warmest sea temperature:
August 73.2 °F
September 71.5 °F
July 71.2 °F
The most cold months:
January 35.9 °F
February 37.0 °F
December 41.3 °F
The most rainy months:
November 4 days
July 4 days
October 4 days
The most windy months:
March 9 mph
January 9 mph
April 9 mph

Groton on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +76
Honolulu +76
Houston +88
Las Vegas +66
Los Angeles +64
Miami +80
New York +56
Orlando +82
San Diego +62
San Francisco +54
Sarasota +84
Tampa +86
Washington +56
24 Hours Weather Forecast
Groton
Local time: 12:35
27 apr, saturday
1500 54°F
NE
12 mph
1800 50°F
NE
13 mph
2100 48°F
NE
11 mph
28 apr, sunday
0000 46°F
NE
13 mph
0300 46°F
NE
12 mph
0600 46°F
NE
12 mph
0900 48°F
NE
12 mph
1200 52°F
NE
9 mph