Frederick weather in December 2025

Expect daytime maximum temperatures of 7°C in Frederick, Maryland in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 11 days with some rainfall and typically 81 mm of rainfall in the month.

  • 7°C maximum daytime temperature in December in Frederick7
    7°C max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in December in Frederick11
    11 days with some rainfall
  • -3°C minimum night-time temperature in December in Frederick-3
    -3°C min night temperature
  • 9 hours of daylight per day in December in Frederick9
    9 hours of daylight per day
  • No heat & humidity in December in Frederick0
    No heat & humidity
  • 81 mm monthly rainfall in December in Frederick81
    81 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Frederick2
    2 (Low) UV index

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The December weather guide for Maryland (Frederick) 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 warm is it in Frederick in December?

Daytime temperatures usually reach 8°C in Frederick in December, falling to -1°C at night.

How sunny is it in Frederick in December?

There are normally 5 hours of bright sunshine each day in Frederick in December - that's 49% of daylight hours.

Is the sea cold around Frederick in December?

The average sea temperature around Frederick in December is 6°C.

Does it rain in Frederick in December?

There are usually 9 days with some rain in Frederick in December and the average monthly rainfall is 91mm.

Frederick December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:11 16:47
Tuesday, 16th December 2025 07:23 16:48
Wednesday, 31st December 2025 07:30 16:56

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