Rehoboth Beach weather in December 2025

Expect daytime maximum temperatures of 48°F in Rehoboth Beach, Delaware in December based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

  • 48°F maximum daytime temperature in December in Rehoboth Beach48
    48°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in December in Rehoboth Beach9
    9 days with some rainfall
  • 30°F minimum night-time temperature in December in Rehoboth Beach30
    30°F min night temperature
  • 10 hours of daylight per day in December in Rehoboth Beach10
    10 hours of daylight per day
  • No heat & humidity in December in Rehoboth Beach0
    No heat & humidity
  • 3.5 inches monthly rainfall in December in Rehoboth Beach3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Rehoboth Beach2
    2 (Low) UV index
  • 46°F sea temperature in December in Rehoboth Beach46
    46°F sea temperature

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The December 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)  |  Imperial (°F)

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How warm is it in Rehoboth Beach in December?

Daytime temperatures usually reach 48°F in Rehoboth Beach in December, falling to 30°F at night.

How sunny is it in Rehoboth Beach in December?

There are normally 5 hours of bright sunshine each day in Rehoboth Beach in December - that's 56% of daylight hours.

How warm is the sea around Rehoboth Beach in December?

The average sea temperature around Rehoboth Beach in December is 46°F.

Does it rain in Rehoboth Beach in December?

There are usually 9 days with some rain in Rehoboth Beach in December and the average monthly rainfall is 3.5 inches.

Rehoboth Beach December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:00 16:39
Tuesday, 16th December 2025 07:12 16:40
Wednesday, 31st December 2025 07:18 16:49

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