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°F maximum daytime temperature in April in New Haven57
    57°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in April in New Haven10
    10 days with some rainfall
  • 37°F minimum night-time temperature in April in New Haven37
    37°F min night temperature
  • 13 hours of daylight per day in April in New Haven13
    13 hours of daylight per day
  • No heat & humidity in April in New Haven0
    No heat & humidity
  • 4.0 inches monthly rainfall in April in New Haven4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in New Haven6
    6 (High) UV index
  • 43°F sea temperature in April in New Haven43
    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)

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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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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