Delaware weather in July 2025

Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Delaware in July. Check more long-term weather averages for Delaware in July before you book your next holiday to Delaware in 2025/2026.

  • 31°C maximum daytime temperature in July in Delaware (Dover)31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in July in Delaware (Dover)11
    11 days with some rainfall
  • 19°C minimum night-time temperature in July in Delaware (Dover)19
    19°C min night temperature
  • 15 hours of daylight per day in July in Delaware (Dover)15
    15 hours of daylight per day
  • High heat & humidity in July in Delaware (Dover)H
    High heat & humidity
  • 103 mm monthly rainfall in July in Delaware (Dover)103
    103 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Delaware (Dover)9
    9 (Very High) UV index

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The July weather guide for Delaware (Dover) 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.

Top Delaware destinations

Below are average maximum temperatures at popular countries, regions and places in Delaware in July. Select a holiday destination to see more weather parameters.

All Delaware destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Delaware in July?

Daytime temperatures usually reach 31°C in Dover, Delaware in July with high heat and humidity, falling to 19°C at night.

How sunny is it in Delaware in July?

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

Does it rain in Delaware in July?

There are usually 11 days with some rain in Dover, Delaware in July and the average monthly rainfall is 103mm.

Delaware July sunrise & sunset times

Browse the sunrise and sunset times for Delaware in July 2025. Select a month to view Delaware sunrise and sunset times for the next 12 months. The Delaware sunrise and sunset times shown below are for Dover.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:40 19:32
Wednesday, 16th July 2025 04:49 19:27
Thursday, 31st July 2025 05:02 19:14

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