Current sea water temperature:
+73.8°F
| Minimum sea water temperature in July: | 78.1°F |
| Maximum sea water temperature in July: | 67.3°F |
| Average sea water temperature in July: | 73.0°F |
| more information | |
14 days
forecast
forecast
| New Haven |
monthly
weather
weather
| New Haven |
Sea water temperature for the last 10 days:
| July 16 | 73.8°F | July 11 | 70.9°F |
| July 15 | 72.7°F | July 10 | 70.5°F |
| July 14 | 72.5°F | July 9 | 70.0°F |
| July 13 | 72.1°F | July 8 | 72.0°F |
| July 12 | 72.3°F | July 7 | 72.1°F |
Monthly sea water temperature, °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:
2026
2025
2024
The average sea water temperature in July of 2026 was 72.1°F. The highest and lowest sea temperatures during the month were 74.5°F and 70.0°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.
current
weather
weather
| New Haven |
weather in
July
July
| New Haven |
Best time for vacation in New Haven
New Haven on a weather map
Places in USA:
Name
°F
24 Hours Forecast
New Haven
Local time: 08:00
July 16, thursday
0900
77°F
SE
3 mph
3 mph
1200
90°F
NE
7 mph
7 mph
1500
93°F
E
11 mph
11 mph
1800
90°F
E
11 mph
11 mph
2100
75°F
SE
8 mph
8 mph
July 17, friday
0000
72°F
SE
7 mph
7 mph
0300
68°F
SE
4 mph
4 mph
0600
66°F
S
4 mph
4 mph
