Wilmington weather in April 2025

Expect 17°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Wilmington in April based on long-term weather averages. There is usually 11 days with some rainfall and 95 mm of average monthly rainfall in April.

  • 17°C maximum daytime temperature in April in Wilmington17
    17°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in April in Wilmington11
    11 days with some rainfall
  • 5°C minimum night-time temperature in April in Wilmington5
    5°C min night temperature
  • 13 hours of daylight per day in April in Wilmington13
    13 hours of daylight per day
  • No heat & humidity in April in Wilmington0
    No heat & humidity
  • 95 mm monthly rainfall in April in Wilmington95
    95 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Wilmington6
    6 (High) UV index
  • 9°C sea temperature in April in Wilmington9
    9°C sea temperature

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The April weather guide for Delaware (Wilmington) 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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More about the USA

How warm is it in Wilmington in April?

Daytime temperatures usually reach 17°C in Wilmington in April, falling to 5°C at night.

How sunny is it in Wilmington in April?

There are normally 8 hours of bright sunshine each day in Wilmington in April - that's 56% of daylight hours.

Is the sea cold around Wilmington in April?

The average sea temperature around Wilmington in April is 9°C.

Does it rain in Wilmington in April?

There are usually 11 days with some rain in Wilmington in April and the average monthly rainfall is 95mm.

Wilmington April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:46 18:27
Tuesday, 15th April 2025 05:24 18:41
Wednesday, 30th April 2025 05:04 18:56

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