Arlington County (Arlington)
December
Weather in Arlington County, Virginia for December 2026
Your guide to Arlington County weather in December - trends and predictions
With an average of 4 snowy days, Arlington County usually enjoys a light touch of snow in December.
In general, the average temperature in Arlington County at the beginning of December is 6.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.3 °C by the end of December.
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Snow Forecast ❄️
Temperatures
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11
Dry days
16
Rainy days
4
Snow days
7°/1°
Temperatures
16 km/h
Avg max wind
72 %
Avg humidity
Arlington County Weather December
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Temperatures trend during December in Arlington County
See the weather trend as well as the moving average line
December weather in Arlington County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Light rain | 7° /1° | 0.3 mm | 0 cm | |
| Dec. 2 |  Fog | 7° /2° | 25 mm | 0 cm | |
| Dec. 3 |  Moderate or heavy rain with thunder | 10° /1° | 5.7 mm | 0 cm | |
| Dec. 4 |  Overcast | 8° /1° | 0 mm | 0 cm | |
| Dec. 5 | Overcast | 4° /-2° | 4.2 mm | 2.5 cm | |
| Dec. 6 |  Light sleet | 6° /-1° | 1.5 mm | 0 cm | |
| Dec. 7 | Overcast | 6° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 10° /0° | 0 mm | 0 cm | |
| Dec. 9 | Fog | 8° /-1° | 6.1 mm | 0 cm | |
| Dec. 10 |  Light rain shower | 12° /4° | 10.4 mm | 0 cm | |
| Dec. 11 | Light sleet | 7° /1° | 39.7 mm | 0 cm | |
| Dec. 12 |  Sunny | 5° /-1° | 0 mm | 0 cm | |
| Dec. 13 |  Cloudy | 5° /0° | 0 mm | 0 cm | |
| Dec. 14 |  Partly cloudy | 3° /-2° | 7.1 mm | 2.8 cm | |
| Dec. 15 | Sunny | 6° /-2° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 9° /1° | 1.8 mm | 0 cm | |
| Dec. 17 | Overcast | 11° /4° | 13.5 mm | 0 cm | |
| Dec. 18 | Light drizzle | 11° /2° | 7.2 mm | 0 cm | |
| Dec. 19 | Overcast | 8° /0° | 10.3 mm | 0 cm | |
| Dec. 20 | Sunny | 5° /-1° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 6° /0° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | 5° /-3° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 6° /-2° | 1.9 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 7° /2° | 1.2 mm | 0.3 cm | |
| Dec. 25 | Partly cloudy | 7° /2° | 4.3 mm | 0 cm | |
| Dec. 26 | Light rain | 5° /1° | 1.6 mm | 0.4 cm | |
| Dec. 27 | Overcast | 8° /3° | 16.5 mm | 0 cm | |
| Dec. 28 | Mist | 9° /3° | 4.1 mm | 0 cm | |
| Dec. 29 | Light drizzle | 13° /3° | 1.8 mm | 0 cm | |
| Dec. 30 | Partly cloudy | 8° /2° | 7.5 mm | 0 cm | |
| Dec. 31 | Sunny | 8° /0° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Arlington County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Arlington County forecast closer to your planned date for the most up-to-date weather information.
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Arlington County in December - FAQ
What are the expected maximum and minimum temperatures in Arlington County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 1°.
How much rainfall should be expected in Arlington County during December?
Significant rainfall exceeding 171.6 mm is expected in Arlington County during December, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Arlington County in December 2026?
Arlington County experiences an average snowfall of 5.98333 cm during December, occurring over 4 days.
What are the typical wind conditions in Arlington County during December?
The average wind speed in Arlington County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Arlington County snow forecast December 2026
Track daily snowfall levels and discover Arlington County’s snowy potential this December ❄️
On average, Arlington County sees 4 snowy days during December, with approximately 6 cm of total snowfall.
December rainfall patterns in Arlington County
Explore the daily rainfall trends and prepare for Arlington Countys December weather 💧
Typically, Arlington County has 16 rainy days in December with a total of 171.6 mm of rainfall.
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Where is Arlington County?Get accurate weather forecasts for Arlington County, located at latitude 38.881 and longitude -77.104. Stay updated with localized weather information tailored for Arlington County.
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