Measurements:
°C
°F
CURRENT WEATHER
13:03
New Haven
62°F
W 6 mph
Feels like: 64°F
Precip: 100%
World Resorts USA New Haven Weather

7 Day Weather Forecast

05.14
thu
DAY
62°F
W 6 mph
precip
100%
NIGHT
52°F
SE 6 mph
precip
83%
05.15
fri
DAY
54°F
S 9 mph
precip
70%
NIGHT
48°F
SE 3 mph
precip
0%
05.16
sat
DAY
66°F
NE 11 mph
precip
0%
NIGHT
60°F
NE 7 mph
precip
0%
05.17
sun
DAY
68°F
E 6 mph
precip
100%
NIGHT
62°F
SE 4 mph
precip
0%
05.18
mon
DAY
66°F
NW 9 mph
precip
0%
NIGHT
54°F
NW 5 mph
precip
0%
05.19
tue
DAY
66°F
NW 6 mph
precip
0%
NIGHT
62°F
N 6 mph
precip
0%
05.20
wed
DAY
76°F
NE 11 mph
precip
100%
NIGHT
58°F
SE 7 mph
precip
0%

New Haven Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for New Haven was 12.5°F. The maximum and minimum values were 10.9°F and 14.4°F respectively.

New Haven on the Weather Map

Best Time to Visit New Haven
The most sunny months:
November 16 days
September 14 days
October 13 days
The most warm months:
July 84.0 °F
August 81.9 °F
June 76.4 °F
Warmest sea temperature:
August 77.0 °F
July 75.7 °F
September 73.8 °F
The most cold months:
January 34.2 °F
February 35.2 °F
December 39.4 °F
The most rainy months:
July 3 days
August 3 days
April 3 days
The most windy months:
January 10 mph
November 10 mph
December 10 mph
more details