World Resorts USA New Haven Weather

New Haven sea water temperature

Current sea water temperature:
+32.7°F
Minimum sea water temperature in February: 42.6°F
Maximum sea water temperature in February: 31.3°F
Average sea water temperature in February: 36.6°F

Sea water temperature for the last 10 days:

February 24 32.7°F February 19 31.8°F
February 23 32.5°F February 18 31.8°F
February 22 32.4°F February 17 32.5°F
February 21 32.0°F February 16 31.8°F
February 20 31.8°F February 15 31.5°F

When is the warmest sea in New Haven?

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

Monthly Sea Temperatures in New Haven, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 76.5°F and 70.9°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 76.6°F and 67.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 72.9°F and 69.3°F.

Best time for vacation in New Haven

Sunniest months:
November 16 days
September 14 days
October 13 days
Warmest months:
July 80.6 °F
August 78.7 °F
June 73.8 °F
Warmest sea temp:
August 74.3 °F
July 73.1 °F
September 71.4 °F
Coldest months:
January 35.8 °F
February 37.2 °F
December 40.5 °F
Rainiest months:
July 3 days
April 3 days
August 3 days
Windiest months:
January 10.4 mph
November 10.3 mph
December 10.2 mph

New Haven on a weather map

New Haven
+23°F
SE 6 mph
Feels like: +16°F
Precip.: 0%
Places in USA:
Name
°F
+36°F
+72°F
+72°F
+72°F
+66°F
+63°F
+63°F
+64°F
+27°F
+64°F
+55°F
+54°F
+54°F
+66°F
+37°F
24 Hours Forecast
New Haven
Local time: 20:23
February 24, tuesday
2100
23°F
SE
6 mph
February 25, wednesday
0000
19°F
NE
4 mph
0300
21°F
N
6 mph
0600
28°F
N
13 mph
0900
32°F
NE
13 mph
1200
34°F
NE
12 mph
1500
34°F
NE
14 mph
1800
34°F
NE
14 mph
Units of measurement: °C / °F