Wilmington weather in July 2025

Expect 86°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Wilmington in July. Check more long-term weather averages for Wilmington in July before you book your next holiday to Delaware in 2025/2026.

  • 86°F maximum daytime temperature in July in Wilmington86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in July in Wilmington10
    10 days with some rainfall
  • 66°F minimum night-time temperature in July in Wilmington66
    66°F min night temperature
  • 15 hours of daylight per day in July in Wilmington15
    15 hours of daylight per day
  • High heat & humidity in July in WilmingtonH
    High heat & humidity
  • 4.5 inches monthly rainfall in July in Wilmington4.5
    4.5 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Wilmington9
    9 (Very High) UV index
  • 72°F sea temperature in July in Wilmington72
    72°F sea temperature

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The July 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 July?

Daytime temperatures usually reach 86°F in Wilmington in July with high heat and humidity, falling to 66°F at night.

How sunny is it in Wilmington in July?

There are normally 9 hours of bright sunshine each day in Wilmington in July - that's 62% of daylight hours.

How warm is the sea around Wilmington in July?

The average sea temperature around Wilmington in July is 72°F.

Does it rain in Wilmington in July?

There are usually 10 days with some rain in Wilmington in July and the average monthly rainfall is 4.5 inches.

Wilmington July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:38 19:34
Wednesday, 16th July 2025 04:48 19:28
Thursday, 31st July 2025 05:01 19:16

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