Weather in New Haven: April
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Average day temperature: | 53.3°F |
| Average night temperature: | 44.9°F | |
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Sea water temperature: | 46.3°F |
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Number of sunny days: | 8 days |
| Day length: | 12.7 - 14.0 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| New Haven |
temperature
| New Haven |
Air temperature in April, °F
The highest day temperature during April of 2025 was 74°F. At the same time the lowest night temperature was 28°F. Daily and nightly averages during April were 56.2°F and 45.1°F.
Sea water temperature in New Haven in April, °F
The average sea water temperature in April of 2025 was 45.3°F. The highest and lowest sea temperatures during the month were 52.0°F and 41.7°F.
Mostly all days in April are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in New Haven in April is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in April is 9.8 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 6.5.
Best time for vacation in New Haven
New Haven on a weather map
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