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Wilmington weather in August 2025
Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Wilmington in August. Check more long-term weather averages for Wilmington in August before you book your next holiday to Delaware in 2025/2026.
- 2929°C max day temperature
- 8 hours of sunshine per day
- 99 days with some rainfall
- 1818°C min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 9898 mm of monthly rainfall
- 88 (Very High) UV index
- 2323°C sea temperature
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The August 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)
More about the USA
How hot is it in Wilmington in August?
Daytime temperatures usually reach 29°C in Wilmington in August with moderate heat and humidity, falling to 18°C at night.
How sunny is it in Wilmington in August?
There are normally 8 hours of bright sunshine each day in Wilmington in August - that's 61% of daylight hours.
How warm is the sea around Wilmington in August?
The average sea temperature around Wilmington in August is 23°C.
Does it rain in Wilmington in August?
There are usually 9 days with some rain in Wilmington in August and the average monthly rainfall is 98mm.
What is the chance of a hurricane in Wilmington in August?
On average less than 1 day in August in Wilmington is likely to be affected by the passage of one or more tropical storms.
Wilmington August sunrise & sunset times
Browse the sunrise and sunset times for Wilmington in August 2025. Select a month to view Wilmington sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:01 | 19:15 |
Saturday, 16th August 2025 | 05:15 | 18:57 |
Sunday, 31st August 2025 | 05:30 | 18:34 |
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