Measurements:
°C
°F
New London
84°F
NE 8 mph
Feels like: 84°F
Precip: 0%
World Resorts USA New London Weather

New London Sea Water Temperature

Current Sea Water Temperature:
+56.8°F
Maximum Sea Water Temperature in June: 69.4°F
Minimum Sea Water Temperature in June: 53.4°F
Average water temperature in June: 62.3°F

Sea Water Temperature for the Last 10 Days:

June 04 56.8°F May 29 55.0°F
June 03 53.4°F May 28 54.8°F
June 01 53.4°F May 27 55.6°F
May 31 55.2°F May 26 55.0°F
May 30 56.4°F May 25 55.4°F

When is the Warmest Sea for New London?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for New London was 72.6°F. The maximum and minimum values were 71.0°F and 76.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for New London was 72.2°F. The maximum and minimum values were 67.4°F and 75.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for New London was 70.9°F. The maximum and minimum values were 69.8°F and 73.4°F respectively.

Best Time to Visit New London
The most sunny months:
November 17 days
October 14 days
September 13 days
The most warm months:
July 83.2 °F
August 81.4 °F
June 76.1 °F
Warmest sea temperature:
August 72.9 °F
July 71.2 °F
September 70.9 °F
The most cold months:
January 34.6 °F
February 36.0 °F
December 39.9 °F
The most rainy months:
November 3 days
July 3 days
December 3 days
The most windy months:
January 10 mph
December 10 mph
March 10 mph

New London on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
New London
Local time: 12:54
04 jun, thursday
1500 86°F
N
12 mph
1800 82°F
NE
9 mph
2100 68°F
NE
7 mph
05 jun, friday
0000 60°F
NE
6 mph
0300 60°F
NE
5 mph
0600 60°F
E
5 mph
0900 70°F
E
7 mph
1200 74°F
E
9 mph