Measurements:
°C
°F
CURRENT WEATHER
07:21
New Haven
40°F
W 6 mph
Feels like: 36°F
Precip: 87%
World Resorts USA New Haven Weather

7 Day Weather Forecast

04.03
fri
DAY
44°F
NE 6 mph
precip
0%
NIGHT
52°F
NE 9 mph
precip
0%
04.04
sat
DAY
56°F
W 5 mph
precip
0%
NIGHT
40°F
W 15 mph
precip
0%
04.05
sun
DAY
50°F
NE 14 mph
precip
0%
NIGHT
46°F
E 11 mph
precip
0%
04.06
mon
DAY
46°F
E 11 mph
precip
0%
NIGHT
42°F
E 7 mph
precip
70%
04.07
tue
DAY
46°F
E 12 mph
precip
0%
NIGHT
34°F
NE 13 mph
precip
0%
04.08
wed
DAY
38°F
SW 9 mph
precip
0%
NIGHT
34°F
N 8 mph
precip
0%
04.09
thu
DAY
42°F
N 7 mph
precip
0%
NIGHT
36°F
N 6 mph
precip
0%

New Haven Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for New Haven was 7.4°F. The maximum and minimum values were 5.4°F and 11.1°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