New Haven weather in April 2025

Expect 57°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in New Haven in April. Check more long-term weather averages for New Haven in April before you book your next holiday to Connecticut in 2025/2026.

57
57°F max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
37
37°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
4.0
4.0 inches of monthly rainfall
6
6 (High) UV index
43
43°F sea temperature

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The April weather guide for Connecticut (New Haven) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How warm is it in New Haven in April?

Daytime temperatures usually reach 57°F in New Haven in April, falling to 37°F at night.

How sunny is it in New Haven in April?

There are normally 8 hours of bright sunshine each day in New Haven in April - that's 59% of daylight hours.

How warm is the sea around New Haven in April?

The average sea temperature around New Haven in April is 43°F.

Does it rain in New Haven in April?

There are usually 10 days with some rain in New Haven in April and the average monthly rainfall is 4.0 inches.

New Haven April sunrise & sunset times

Browse the sunrise and sunset times for New Haven in April 2025. Select a month to view New Haven sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Tuesday, 1st April 2025	05:34	18:17
Tuesday, 15th April 2025	05:12	18:32
Wednesday, 30th April 2025	04:50	18:48

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Connecticut - quick facts
Flight time^✝	10.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
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Tourist info	Connecticut Office of Tourism