Rehoboth Beach weather in May 2025

Expect daytime maximum temperatures of 22°C in Rehoboth Beach in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 89 mm of rainfall in the month.

  • 22°C maximum daytime temperature in May in Rehoboth Beach22
    22°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in May in Rehoboth Beach10
    10 days with some rainfall
  • 11°C minimum night-time temperature in May in Rehoboth Beach11
    11°C min night temperature
  • 14 hours of daylight per day in May in Rehoboth Beach14
    14 hours of daylight per day
  • No heat & humidity in May in Rehoboth Beach0
    No heat & humidity
  • 89 mm monthly rainfall in May in Rehoboth Beach89
    89 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Rehoboth Beach8
    8 (Very High) UV index
  • 13°C sea temperature in May in Rehoboth Beach13
    13°C sea temperature

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The May weather guide for Delaware (Rehoboth Beach) 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 Rehoboth Beach in May?

Daytime temperatures usually reach 22°C in Rehoboth Beach in May, falling to 11°C at night.

How sunny is it in Rehoboth Beach in May?

There are normally 9 hours of bright sunshine each day in Rehoboth Beach in May - that's 61% of daylight hours.

How warm is the sea around Rehoboth Beach in May?

The average sea temperature around Rehoboth Beach in May is 13°C.

Does it rain in Rehoboth Beach in May?

There are usually 10 days with some rain in Rehoboth Beach in May and the average monthly rainfall is 89mm.

Rehoboth Beach May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:02 18:53
Friday, 16th May 2025 04:47 19:07
Saturday, 31st May 2025 04:38 19:19

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