Wilmington weather in June 2025

Expect 81°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Wilmington in June. Check more long-term weather averages for Wilmington in June before you book your next holiday to Delaware in 2025/2026.

  • 81°F maximum daytime temperature in June in Wilmington81
    81°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in June in Wilmington10
    10 days with some rainfall
  • 61°F minimum night-time temperature in June in Wilmington61
    61°F min night temperature
  • 15 hours of daylight per day in June in Wilmington15
    15 hours of daylight per day
  • Moderate heat & humidity in June in WilmingtonM
    Moderate heat & humidity
  • 3.8 inches monthly rainfall in June in Wilmington3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Wilmington9
    9 (Very High) UV index
  • 66°F sea temperature in June in Wilmington66
    66°F sea temperature

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The June 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)  |  Imperial (°F)

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How hot is it in Wilmington in June?

Daytime temperatures usually reach 81°F in Wilmington in June with moderate heat and humidity, falling to 61°F at night.

How sunny is it in Wilmington in June?

There are normally 9 hours of bright sunshine each day in Wilmington in June - that's 61% of daylight hours.

How warm is the sea around Wilmington in June?

The average sea temperature around Wilmington in June is 66°F.

Does it rain in Wilmington in June?

There are usually 10 days with some rain in Wilmington in June and the average monthly rainfall is 3.8 inches.

Wilmington June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:36 19:24
Sunday, 15th June 2025 04:34 19:32
Monday, 30th June 2025 04:38 19:34

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