Mystic weather in April 2026

Expect daytime maximum temperatures of 13°C in Mystic, Connecticut in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 108 mm of rainfall in the month.

  • 13°C maximum daytime temperature in April in Mystic13
    13°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Mystic11
    11 days with some rainfall
  • 3°C minimum night-time temperature in April in Mystic3
    3°C min night temperature
  • 13 hours of daylight per day in April in Mystic13
    13 hours of daylight per day
  • No heat & humidity in April in Mystic0
    No heat & humidity
  • 108 mm monthly rainfall in April in Mystic108
    108 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Mystic6
    6 (High) UV index
  • 6°C sea temperature in April in Mystic6
    6°C sea temperature

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The April weather guide for Connecticut (Mystic) 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 / mm)  |  Imperial (°F / inches)

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How warm is it in Mystic in April?

Daytime temperatures usually reach 13°C in Mystic in April, falling to 3°C at night.

How sunny is it in Mystic in April?

There are normally 8 hours of bright sunshine each day in Mystic in April - that's 61% of daylight hours.

Is the sea cold around Mystic in April?

The average sea temperature around Mystic in April is 6°C.

Does it rain in Mystic in April?

There are usually 11 days with some rain in Mystic in April and the average monthly rainfall is 108mm.

Mystic April sunrise & sunset times

Browse the sunrise and sunset times for Mystic in April 2026. Select a month to view Mystic sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:31 18:13
Wednesday, 15th April 2026 05:08 18:28
Thursday, 30th April 2026 04:46 18:44

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