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How's the Weather in Washington, DC in December?

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This post is about the weather in DC in December, as well as what to wear and suggestions on things to do this month.


HOW COLD IS DC IN DECEMBER?

Daytime high temperatures early in December tend to be mostly in the lower-50s F(11-12 C) with a few of the warmer days can reach up 64 F (about 18 C) or more.  

Overnight low temperatures at this time are mostly in the mid-30s F (1-3 C).

How cold is it in DC in December?

As the month progresses, the afternoon high temperatures generally fall to the mid-40s F (6-7 C) while the early morning lows tend to be in the upper-20s F to lower-30s F (-3 C to -1 C).

About 16 days this month will see minimum temperatures dipping to 32 F (0 C) or less with a couple of the colder days dipping into the lower-20s F (about -6 C).  

In the past, DC has seen temperature extremes during December as high as 79 F (26.1 C) to a low as +1 F (-17.2 C).


DOES IT SNOW IN DC IN DECEMBER?

About 17 days this month will see sunny or at least partly sunny skies over DC with some form of precipitation falling on 9 or 10 days.

Significant precipitation amounts of 0.5 inches (13mm) or more, however, usually occur on only 2 or 3 days.

Does it Snow in DC in December

Snow does occur this month but measurable snowfalls, on average, occur on only 1 or 2 days with snowfalls of 1 inch (2.5cm) or more occurring on one day every year or two and snows of 3 inches (7.6 CM) or more falling only about once every 5 years.


WHAT TO WEAR IN DECEMBER IN DC?

Be sure to read out post on What to Wear and Pack in DC for advice all year round on DC weather and how to prepare for it.

What to wear in DC in December

It is best to dress in layers so bring a couple of sweaters and at least one medium-weight jacket or coat for early in the month.

However, as  Christmas approaches, heavier winter clothing, including a heavy coat or jacket, warm hat, and gloves and boots will likely be needed by mid-month.


WHAT TO DO IN DC IN DC?

Below are 10 top things to do in DC in December.

Be sure to read our full post on what to do in DC in December which includes free things to do, night and family-friendly activities and attractions, as well as our definitive post on the best things to do in DC.

And if you are planning on visiting many of DC’s top attractions, then you should consider a tourist discount pass.

These passes could save up to 50% of retail ticket prices to tours, attractions, and restaurants.

  1. See the National Christmas Tree
  2. Christmas at Mount Vernon
  3. Go Ice Skating
  4. Visit Hillwood Estate and Gardens
  5. Shop the Downtown Holiday Market
  6. Attend Zoolights
  7. Explore Georgetown GLOW!
  8. See the ICE! Show at National Harbor
  9. Visit the United States Botanical Gardens
  10. Go to the National Cathedral

Be sure to check out all the top things to do in December in our main post.


Seasonal Outlook - October to December 2022 Washington DC

There is a 78% chance for normal to above normal temperatures and near normal precipitation.

About The Author

Fred Pickhardt

Fred is a marine meteorologist and sailed briefly with American Export Lines in the Far East trade. He has extensive experience in weather analysis, weather forecasting, and forensic weather event reconstructions. Fred founded Ocean Weather Services and currently provides forensic marine weather reports to the maritime industry.
Updated: January 22nd, 2023
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