Dover weather in December 2025

Expect daytime maximum temperatures of 46°F in Dover, Delaware in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 46°F maximum daytime temperature in December in Dover46
    46°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in December in Dover10
    10 days with some rainfall
  • 28°F minimum night-time temperature in December in Dover28
    28°F min night temperature
  • 9 hours of daylight per day in December in Dover9
    9 hours of daylight per day
  • No heat & humidity in December in Dover0
    No heat & humidity
  • 3.5 inches monthly rainfall in December in Dover3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Dover2
    2 (Low) UV index

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The December 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 warm is it in Dover in December?

Daytime temperatures usually reach 46°F in Dover in December, falling to 28°F at night.

How sunny is it in Dover in December?

There are normally 5 hours of bright sunshine each day in Dover in December - that's 53% of daylight hours.

Does it rain in Dover in December?

There are usually 10 days with some rain in Dover in December and the average monthly rainfall is 3.5 inches.

Dover December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:03 16:40
Tuesday, 16th December 2025 07:15 16:41
Wednesday, 31st December 2025 07:21 16:49

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