Wilmington weather in June 2026

Expect daytime maximum temperatures of 27°C in Wilmington, Delaware in June based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 96 mm of rainfall in the month.

  • 27°C maximum daytime temperature in June in Wilmington27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in June in Wilmington10
    10 days with some rainfall
  • 16°C minimum night-time temperature in June in Wilmington16
    16°C 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
  • 96 mm monthly rainfall in June in Wilmington96
    96 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Wilmington9
    9 (Very High) UV index
  • 19°C sea temperature in June in Wilmington19
    19°C 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Wilmington in June?

Daytime temperatures usually reach 27°C in Wilmington in June with moderate heat and humidity, falling to 16°C 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 19°C.

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 96mm.

Wilmington June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 04:36 19:24
Monday, 15th June 2026 04:34 19:32
Tuesday, 30th June 2026 04:38 19:34

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