Washington D. C. in december: average Weather, Temperature and Climate
Weather in Washington D. C. in december 2026
The weather in Washington D. C. in december comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 63cm
Weather at 6am
38°F
Clear/Sunny
42% of time
21%
18%
10%
Weather at 12pm
47°F
Clear/Sunny
38% of time
24%
24%
7%
Weather at 6pm
43°F
Clear/Sunny
38% of time
25%
17%
8%
Weather at 3am
40°F
38%
23%
14%
9%
Evolution of daily average temperature and precipitation in Washington D. C. in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Washington D. C. in december.
The climate of Washington D. C. in december is very bad
The climate in december in Washington D. C. is relatively dry (with 4.1in of precipitation over 5 days). Unfortunately, the weather conditions is worsening than the previous month since in november there is an average of 3.1in of rainfall over 4 days.
The climate is rather cold in this city december. Bring warm clothes! The thermometer averaged maximum of 49°F. In the morning the temperature drops to 38°F. Thus, the mean temperature average on this month of december in Washington D. C. is 43°F. Note that these seasonal averages are in contrast with those observed in Washington D. C. in december with a maximum record of 74°F in 2015 and a minimum record of 16°F in 2017. You can expect to have about 10 days with temperatures down below 32°F, or 32% of time.
In december in Washington D. C., the days on average last 09:27. The sun rises at 07:20 and sunset is at 16:47.
December: another location in the United States (USA)?
If you want to go to the United States (USA) in december, there are destinations with better weather than Washington D. C.:
In december, Miami (Florida) has perfect weather.
Furthermore, Hawaii (Honolulu), Houston, Myrtle Beach, Phoenix (Arizona), Carolina Beach and Dauphin Island (Alabama) have good weather.
Finally, California, Louisiana, Atlanta, Dallas, Austin and Big Bend National Park (Texas) have a tolerable climate, but better than Washington D. C..
Seasonal average climate and temperature of Washington D. C. in december
Check below seasonal norms These datas are generated from the weather statements of the past years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 43°F | ||||
| Highest temperature | 49°F | ||||
| Lowest temperature | 38°F | ||||
| Highest record temperature | 74°F (2015) | ||||
| Lowest record temperature | 16°F (2017) | ||||
| Number of days at +65°F | 2 day(s) (6%) | ||||
| Number of days at -32°F | 10 day(s) (32%) | ||||
| Sea temperature | |||||
| Average sea temperature | 52°F | ||||
| Lowest sea temperature | 48°F | ||||
| Highest sea temperature | 56°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 32°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.1in | ||||
| Number of days with rainfall | 5 day(s) (15%) | ||||
| Record daily rainfall | 2.8in (2009) | ||||
| Snowfall | 63cm | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 8.93km | ||||
| Cloud cover | 43% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:20 | ||||
| Time of sunset | 16:47 | ||||
| Length of day | 09:27 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Washington D. C. in december 2025:
31°F to 41°F
36°F to 40°F
29°F to 45°F
32°F to 43°F
22°F to 36°F
34°F to 47°F
36°F to 41°F
32°F to 36°F
22°F to 34°F
32°F to 43°F
32°F to 38°F
31°F to 36°F
31°F to 41°F
29°F to 38°F
20°F to 31°F
29°F to 45°F
31°F to 45°F
32°F to 49°F
49°F to 56°F
25°F to 38°F
38°F to 45°F
25°F to 41°F
36°F to 49°F
43°F to 47°F
34°F to 43°F
29°F to 36°F
36°F to 40°F
31°F to 40°F
47°F to 54°F
27°F to 38°F
27°F to 38°F
Map: other cities in the United States (USA) in december
Cities near Washington D. C.:
| Maryland in december | very bad weather |
| Baltimore in december | very bad weather |
| Ocean City (Maryland) in december | bad weather |
| Wildwood in december | bad weather |
| Philadelphia in december | very bad weather |
| Virginia in december | very bad weather |
| Atlantic City in december | very bad weather |
| Virginia Beach in december | bad weather |
| New Jersey in december | very bad weather |
| Pittsburgh in december | very bad weather |
| New York City in december | very bad weather |
| Brooklyn in december | very bad weather |
Click over cities on the map for information about the weather in december.
Washington D. C.
perfect weather
good
tolerable
bad
very bad
Weather data for Washington D. C. in december:
Weather data for Washington D. C. for december are derived from an average of the weather forecast since 2009 in Washington D. C.. There is a margin of error and these forecasts are to be considered as general information only. The weather in Washington D. C. can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Washington D. C..