Wilmington weather in July 2026

Expect daytime maximum temperatures of 86°F in Wilmington, Delaware in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 4.5 inches of rainfall in the month.

  • 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

More about Wilmington

Wilmington by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Delaware

Marriott: Best price match gurantee for members

  • Join Marriott Bonvoy for the best rates on hotel stays
  • Exclusive membership perks & additional benefits
  • Includes discounts, upgrades & earn points free stays
Go to Marriott deal >>

View all Marriott offers

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)

Back to top

More about the USA

How hot is it in Wilmington in July?

Daytime temperatures usually reach 88°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.

Does it rain in Wilmington in July?

There are usually 11 days with some rain in Wilmington in July and the average monthly rainfall is 4.1 inches.

Wilmington July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st July 2026 04:38 19:34
Thursday, 16th July 2026 04:48 19:29
Friday, 31st July 2026 05:00 19:16

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^