Washington DC Weather in December

In Washington DC, December brings low daytime temperatures around 10°C (50°F), with nights cooling to 1°C (34°F). Expect quite a bit of rainfall this month.

Rainfall in Washington DC in December

Records from the past 30 years suggest around 11 days of rain, with 95 mm (3.7 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Washington DC in December

Daytime temperatures in Washington DC reach 10°C (50°F) in December, dropping to 1°C (34°F) at night. December is known for being in the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Washington DC in December

With about 130 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Washington DC in December

December sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

December in Washington DC has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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Check the conditions for any month of the year.

• January
• February
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• May
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• August

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• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Washington DC's climate page.

Washington DC Temperature in December

Min Temperature 1°C (34°F)  

Max Temperature 10°C (50°F)  

Chance of Rain 37%  

Precipitation 95 mm (3.7 in)  

Rainy days 11 days  

Humidity 64%  

Windspeed 4 m/s (8 knots)  

Sunshine 130 hours  

Percentage Sunshine 45%  

What to Wear in Washington DC in December

Dress warmly and in layers for your trip to Washington DC in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Washington DC in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Washington DC's climate page.

More climate data for Washington DC

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Washington DC climate overview or explore weather in the United States of America.