Wilmington weather in July 2025

Expect 30°C 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.

  • 30°C maximum daytime temperature in July in Wilmington30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in July in Wilmington10
    10 days with some rainfall
  • 19°C minimum night-time temperature in July in Wilmington19
    19°C 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
  • 114 mm monthly rainfall in July in Wilmington114
    114 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Wilmington9
    9 (Very High) UV index
  • 22°C sea temperature in July in Wilmington22
    22°C 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Wilmington in July?

Daytime temperatures usually reach 30°C in Wilmington in July with high heat and humidity, falling to 19°C 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 22°C.

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 114mm.

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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