Washington D.C. December Weather

Averages and records for weather in Washington D.C., District of Columbia in the month of December.
Typical Washington D.C. December Weather
1991–2020
Average daily high 48.3 °F
Average daily low 34.0 °F
Average monthly precipitation 3.4 inches
Average monthly snow 1.7 inches
Washington D.C. December Weather Records
1851–2023
Highest temperature 79 °F December 7, 1998
Lowest temperature -13 °F December 31, 1880
Highest daily low 60 °F December 24, 2015
Lowest daily high 9 °F December 30, 1917
Hottest average temperature 9.7 °F
above average
2015
Coldest average temperature -14.4 °F
below average
1876
Most daily precipitation 3.1 inches December 7, 2011
Most monthly precipitation 7.6 inches 1901
Most daily snow 15.0 inches December 19, 2009
Most monthly snow 16.6 inches 2009
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 52.3 37.3 75 14
December 2 52.0 37.1 73 15
December 3 51.8 36.9 71 15
December 4 51.5 36.7 76 15
December 5 51.1 36.4 75 14
December 6 50.7 36.1 78 11
December 7 50.5 35.8 79 10
December 8 50.3 35.7 74 8
December 9 50.2 35.5 71 4
December 10 50.0 35.4 67 4
December 11 49.6 35.1 70 12
December 12 49.2 34.8 71 13
December 13 48.9 34.6 71 11
December 14 48.6 34.3 70 6
December 15 48.4 34.1 71 6
December 16 48.1 33.9 74 10
December 17 48.0 33.8 65 10
December 18 47.8 33.6 74 10
December 19 47.5 33.5 74 6
December 20 47.4 33.3 66 5
December 21 47.4 33.2 72 4
December 22 47.2 33.0 72 3
December 23 47.2 32.9 71 7
December 24 47.1 32.8 71 5
December 25 46.9 32.6 72 3
December 26 46.7 32.5 72 4
December 27 46.6 32.4 72 2
December 28 46.5 32.2 75 10
December 29 46.5 32.2 75 2
December 30 46.6 32.1 70 -7
December 31 46.5 32.0 70 -13
Weather Station Details
Years Station Coordinates
1945–2023 Washington Reagan Airport location
1851–1945 Washington D.C. location