Washington, D. C. Weather in December

What's the weather like in Washington, D. C. (Washington, D.C.) in December 2024?

The climate in Washington, D. C. during December can be summarized as cool and a little damp.

December is in the winter in Washington, D. C. and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -1°C (30°F) is normal.

Washington, D. C. weather averages (imperial / metric)
Daytime temperature 7.6°C 45.7°F
Nightly temperature -1.4°C 29.5°F
Average temperature 3.1°C 37.6°F
Daily sunshine 4.8 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 9 days
Sea temperature 7.7°C 45.8°F
Humidity 66%
Windspeed 15.1kph 9 mph

On average December is the 5th driest month of the year in Washington, D. C. with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.8 hours of sunshine per day.

December temperatures in Washington, D. C.

Washington, D. C. average temperature in December

December rainfall

Washington, D. C. average rain in December

December hourly sunshine

Washington, D. C. average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Washington, D. C. in December 2024.