World Resorts USA New London Weather

New London sea water temperature

Current sea water temperature:
+39.0°F
Minimum sea water temperature in March: 45.5°F
Maximum sea water temperature in March: 33.6°F
Average sea water temperature in March: 41.0°F

Sea water temperature for the last 10 days:

March 18 39.0°F March 13 39.6°F
March 17 36.9°F March 12 39.7°F
March 16 37.2°F March 11 37.0°F
March 15 38.1°F March 10 36.5°F
March 14 37.2°F March 9 36.1°F

When is the warmest sea in New London?

Based on the data about daily sea water temperature for the last three years the warmest sea in New London was noticed in August, July and September.

Monthly Sea Temperatures in New London, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.4°F. The highest and lowest sea temperatures during the month were 74.1°F and 68.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 70.0°F. The highest and lowest sea temperatures during the month were 72.9°F and 65.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.8°F. The highest and lowest sea temperatures during the month were 71.1°F and 67.8°F.

Best time for vacation in New London

Sunniest months:
November 17 days
October 14 days
December 13 days
Warmest months:
July 79.9 °F
August 78.2 °F
June 73.5 °F
Warmest sea temp:
August 70.6 °F
July 69.1 °F
September 68.8 °F
Coldest months:
January 36.1 °F
February 37.4 °F
December 40.9 °F
Rainiest months:
November 3 days
July 3 days
December 3 days
Windiest months:
January 10.4 mph
December 10.2 mph
March 10.0 mph

New London on a weather map

New London
+34°F
N 9 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+73°F
+39°F
24 Hours Forecast
New London
Local time: 17:35
March 18, wednesday
1800
34°F
N
9 mph
2100
32°F
N
6 mph
March 19, thursday
0000
30°F
N
5 mph
0300
30°F
N
4 mph
0600
30°F
N
2 mph
0900
32°F
NW
5 mph
1200
36°F
N
7 mph
1500
39°F
N
9 mph
Units of measurement: °C / °F