Dover weather in May 2025

Expect 75°F 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.

  • 75°F maximum daytime temperature in May in Dover75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Dover10
    10 days with some rainfall
  • 52°F minimum night-time temperature in May in Dover52
    52°F 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
  • 3.9 inches monthly rainfall in May in Dover3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Dover8
    8 (Very High) UV index

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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)  |  Imperial (°F)

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How hot is it in Dover in May?

Daytime temperatures usually reach 75°F in Dover in May, falling to 52°F 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 3.9 inches.

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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