Washington weather in December 2021

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  • 8°C maximum daytime temperature in December in Washington8
    8°C max day temperature
  • 4 hours of sunshine per day
  • 9 days with some rainfall in December in Washington9
    9 days with some rainfall
  • -1°C minimum night-time temperature in December in Washington-1
    -1°C min night temperature
  • 9 hours of daylight per day in December in Washington9
    9 hours of daylight per day
  • No heat & humidity in December in Washington0
    No heat & humidity
  • 82 mm monthly rainfall in December in Washington82
    82 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Washington2
    2 (Low) UV index
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The December weather guide for Washington, D.C. 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.

How warm is it in Washington in December?

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

How sunny is it in Washington in December?

There are normally 4 hours of bright sunshine each day in Washington in December - that's 45% of daylight hours.

Does it rain in Washington in December?

There are usually 9 days with some rain in Washington in December and the average monthly rainfall is 82mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Washington sunrise & sunset times for December 2021

Browse the sunrise and sunset times for Washington in December 2021. Select a month to view Washington sunrise & sunset times for the next 12 months.


Date Sunrise times Sunset times
Wednesday, 1st December 2021 07:08 16:46
Thursday, 16th December 2021 07:20 16:47
Friday, 31st December 2021 07:27 16:56
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