Dover weather in May 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Dover in May. Check more long-term weather averages for Dover in May before you book your next holiday to Delaware in 2025/2026.

  • 24°C maximum daytime temperature in May in Dover24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Dover10
    10 days with some rainfall
  • 11°C minimum night-time temperature in May in Dover11
    11°C min night temperature
  • 14 hours of daylight per day in May in Dover14
    14 hours of daylight per day
  • No heat & humidity in May in Dover0
    No heat & humidity
  • 98 mm monthly rainfall in May in Dover98
    98 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Dover8
    8 (Very High) UV index

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Recommended for Delaware

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The May 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.

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

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How hot is it in Dover in May?

Daytime temperatures usually reach 24°C in Dover in May, falling to 11°C at night.

How sunny is it in Dover in May?

There are normally 8 hours of bright sunshine each day in Dover in May - that's 59% of daylight hours.

Does it rain in Dover in May?

There are usually 10 days with some rain in Dover in May and the average monthly rainfall is 98mm.

Dover May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:03 18:56
Friday, 16th May 2025 04:48 19:10
Saturday, 31st May 2025 04:38 19:22

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