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New Haven weather
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Recommended for Connecticut
The weather guide for Connecticut (New Haven) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
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When is the best time to go to New Haven?
The best time to go to New Haven is June and July based on the following average weather conditions.
Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]
Change the criteria to reflect your weather preferences.
Max Day Temperature (°C)
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- Mar
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27 - Aug27
- Sep
23 - Oct18
- Nov12
- Dec
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Best time to go for the weather
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: New Haven, Connecticut hurricane season
% of month affected by tropical storms
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The New Haven, Connecticut tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.
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More about the USA
Which is the hottest month in New Haven?
The hottest time of year in New Haven is normally July. Expect maximum daytime temperatures to reach 27°C with moderate heat and humidity.
Which month has the most rain in New Haven?
In terms of rainfall, November is usually the wettest month in New Haven with 103mm on average. There are normally 11 days in November with some rain.
When is it sunniest in New Haven?
The sunniest time of year in New Haven is normally August with bright sunshine on average for 61% of daylight hours; that's 8 hours of sunshine per day.
When is the sea warmest in New Haven?
The sea is usually at its warmest in New Haven in August when the water temperature reaches 22°C.
Compare New Haven weather with the USA
Below the New Haven weather chart shows average maximum daytime temperature for New Haven, Connecticut, USA and the USA (Washington).
Maximum daytime temperature (°C)
New Haven, Connecticut, USA
USA (Washington)
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Metric (°C / mm) | Imperial (°F / inches)
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