Current sea water temperature:
+42.6°F
| Minimum sea water temperature in December: | 53.4°F |
| Maximum sea water temperature in December: | 42.6°F |
| Average sea water temperature in December: | 48.4°F |
| more information | |
14 days
forecast
forecast
| New London |
monthly
weather
weather
| New London |
Sea water temperature for the last 10 days:
| December 30 | 42.6°F | December 25 | 43.5°F |
| December 29 | 42.6°F | December 24 | 43.7°F |
| December 28 | 43.7°F | December 23 | 43.7°F |
| December 27 | 43.0°F | December 22 | 43.9°F |
| December 26 | 43.2°F | December 21 | 44.2°F |
Monthly sea water temperature, °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.
current
weather
weather
| New London |
weather in
January
January
| New London |
Best time for vacation in New London
New London on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New London
Local time: 18:25
December 30, tuesday
2100
27°F
E
23 mph
23 mph
December 31, wednesday
0000
27°F
E
21 mph
21 mph
0300
27°F
E
21 mph
21 mph
0600
27°F
E
17 mph
17 mph
0900
28°F
E
17 mph
17 mph
1200
30°F
E
17 mph
17 mph
1500
34°F
E
17 mph
17 mph
1800
34°F
NE
17 mph
17 mph
