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Typical Washington D.C. December Weather 1991–2020 |
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|---|---|---|
| Average daily high | 48.3 °F | |
| Average daily low | 34.0 °F | |
| Average monthly precipitation | 3.4 inches | |
| Average monthly snow | 1.7 inches | |
| Daily chance of precipitation | 32.5% | |
| Daily chance of snow | 4.2% | |
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Washington D.C. December Weather Records 1851–2024 |
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|---|---|---|
| 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 high temperature | 58.8 °F | 2015 |
| Coldest average high temperature | 34.4 °F | 1917 |
| 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 |
| 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 | 36.3 | 75 | 14 |
| December 6 | 50.7 | 36.1 | 78 | 11 |
| December 7 | 50.5 | 35.8 | 79 | 10 |
| December 8 | 50.3 | 35.6 | 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 | 34.5 | 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 | 33.4 | 74 | 6 |
| December 20 | 47.4 | 33.3 | 66 | 5 |
| December 21 | 47.4 | 33.1 | 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 | 32.3 | 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 |