Arlington County (Arlington)
December
Weather in Arlington County, Virginia for December 2026
Your guide to Arlington County weather in December - trends and predictions
Snowfall in Arlington County during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Arlington County at the beginning of December is 6.5 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.9 °C by the end of December.
Arlington County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 171.6 mm.
Is December a good time to visit Arlington County? check out the best time to travel to Arlington County page.
✨ Is December a good time to visit Arlington County? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
1
Snow days
7°/1°
Temperatures
16 km/h
Avg max wind
72 %
Avg humidity
Arlington County Weather December
Move between months or click on a day
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
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Light rain | 7° /1° | 0.3 mm | 0 cm | |
| Dec. 2 |  Heavy rain | 7° /2° | 25 mm | 0 cm | |
| Dec. 3 |  Moderate or heavy rain with thunder | 9° /1° | 5.7 mm | 0 cm | |
| Dec. 4 |  Overcast | 8° /1° | 0 mm | 0 cm | |
| Dec. 5 |  Light snow | 4° /-2° | 4.2 mm | 2.5 cm | |
| Dec. 6 |  Light sleet | 5° /0° | 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 | Light rain | 8° /-1° | 6.1 mm | 0 cm | |
| Dec. 10 |  Moderate rain | 12° /4° | 10.4 mm | 0 cm | |
| Dec. 11 | Light sleet | 7° /1° | 39.7 mm | 0 cm | |
| Dec. 12 |  Sunny | 5° /0° | 0 mm | 0 cm | |
| Dec. 13 |  Cloudy | 5° /0° | 0 mm | 0 cm | |
| Dec. 14 | Light snow | 3° /-2° | 7.1 mm | 2.8 cm | |
| Dec. 15 | Sunny | 5° /-2° | 0 mm | 0 cm | |
| Dec. 16 |  Patchy rain possible | 8° /2° | 1.8 mm | 0 cm | |
| Dec. 17 | Moderate rain | 11° /4° | 13.5 mm | 0 cm | |
| Dec. 18 | Light rain | 10° /2° | 7.2 mm | 0 cm | |
| Dec. 19 | Moderate rain | 8° /1° | 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 | 4° /-3° | 0 mm | 0 cm | |
| Dec. 23 | Patchy rain possible | 5° /-1° | 1.9 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 6° /2° | 1.2 mm | 0.3 cm | |
| Dec. 25 | Light rain | 7° /2° | 4.3 mm | 0 cm | |
| Dec. 26 | Light rain | 5° /2° | 1.6 mm | 0.4 cm | |
| Dec. 27 | Moderate rain | 7° /3° | 16.5 mm | 0 cm | |
| Dec. 28 | Light rain | 8° /4° | 4.1 mm | 0 cm | |
| Dec. 29 | Light drizzle | 12° /3° | 1.8 mm | 0 cm | |
| Dec. 30 | Light rain | 8° /3° | 7.5 mm | 0 cm | |
| Dec. 31 | Sunny | 8° /1° | 0 mm | 0 cm | |
| Next | |||||
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.
Change Month
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 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Arlington County in December 2026?
Arlington County typically sees 6 cm of snowfall during December.
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 1 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 8 rainy days in December with a total of 171.6 mm of rainfall.
Top locations in Arlington County
Select a location for an accurate weather forecast
More Locations Quick links
More Arlington County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.