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Weather in Loudoun County, Virginia for December 2025

Your guide to Loudoun County weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Loudoun County during December is quite rare, with fewer than 2 snowy days on average.
    According to Loudoun County snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Loudoun County is slightly cooler than the historical average by -1.5 °F.

  • The forecast for the upcoming days in Loudoun County predicts a temperature of 5.7 °F, which is slightly above the historical average.

  • In general, the average temperature in Loudoun County at the beginning of December is 3.6 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 3.6 °F by the end of December.

    • Rain 🌧️

  • Loudoun County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 113.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
1
Snow days
Average temperatures
6°/-1°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Loudoun County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
4°
2
Sunny
3°
3
Sunny
5°
4
Partly cloudy
5°
5
Patchy rain possible
1°
6
Partly cloudy
3°
7
Partly cloudy
4°
8
Cloudy
7°
9
Moderate or heavy rain shower
5°
10
Overcast
8°
11
Moderate or heavy rain shower
6°
12
Sunny
2°
13
Overcast
4°
14
Overcast
1°
15
Moderate or heavy rain shower
1°
16
Overcast
6°
17
Overcast
9°
18
Patchy rain possible
16°
19
Heavy rain
7°
20
Sunny
6°
21
Sunny
10°
22
Sunny
3°
23
Partly cloudy
5°
24
Patchy rain possible
8°
25
Moderate rain
10°
26
Sunny
10°
27
Sunny
2°
28
Cloudy
0°
29
Partly cloudy
-1°
30
Partly cloudy
1°
31
Sunny
3°

Temperatures trend during December in Loudoun County

See the weather trend as well as the moving average line

December weather in Loudoun County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 4° /-3° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 3° /-3° 38.3 mm 0.7 cm
Dec. 3 Sunny
Sunny
 5° /-4° 0 mm 0 cm
Dec. 4 Partly cloudy
Partly cloudy
 5° /-4° 0.4 mm 0 cm
Dec. 5 Patchy rain possible
Patchy rain possible
 1° /-4° 4.8 mm 3.3 cm
Dec. 6 Partly cloudy
Partly cloudy
 3° /-3° 0 mm 0 cm
Dec. 7 Partly cloudy
Partly cloudy
 4° /-2° 0 mm 0 cm
Dec. 8 Cloudy
Cloudy
 7° /-3° 0 mm 0 cm
Dec. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 5° /-3° 4.7 mm 0 cm
Dec. 10 Overcast
Overcast
 8° /1° 0.3 mm 0 cm
Dec. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /-1° 22.3 mm 0 cm
Dec. 12 Sunny
Sunny
 2° /-2° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 4° /-2° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 1° /-5° 3.3 mm 2.4 cm
Dec. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 1° /-5° 4.6 mm 0.4 cm
Dec. 16 Overcast
Overcast
 6° /-2° 4.1 mm 0 cm
Dec. 17 Overcast
Overcast
 9° /1° 0.1 mm 0 cm
Dec. 18 Patchy rain possible
Patchy rain possible
 16° /-1° 2.3 mm 0 cm
Dec. 19 Heavy rain
Heavy rain
 7° /-3° 37.7 mm 0 cm
Dec. 20 Sunny
Sunny
 6° /-5° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 10° /0° 0 mm 0 cm
Dec. 22 Sunny
Sunny
 3° /-4° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 5° /-4° 0 mm 0 cm
Dec. 24 Patchy rain possible
Patchy rain possible
 8° /4° 1 mm 0 cm
Dec. 25 Moderate rain
Moderate rain
 10° /3° 6 mm 0 cm
Dec. 26 Sunny
Sunny
 10° /2° 0 mm 0 cm
Dec. 27 Sunny
Sunny
 2° /-2° 0 mm 0 cm
Dec. 28 Cloudy
Cloudy
 0° /-5° 0 mm 0 cm
Dec. 29 Partly cloudy
Partly cloudy
 -1° /-6° 0 mm 0 cm
Dec. 30 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Dec. 31 Sunny
Sunny
 3° /-5° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Loudoun 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 Loudoun County forecast closer to your planned date for the most up-to-date weather information.
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Loudoun County in December - FAQ

What are the expected maximum and minimum temperatures in Loudoun County during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below -1°.
How much rainfall should be expected in Loudoun County during December?
Significant rainfall exceeding 113.9 mm is expected in Loudoun County during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Loudoun County in December 2025?
Loudoun County typically sees 0.87 cm of snowfall during December.
What are the typical wind conditions in Loudoun County during December?
The average wind speed in Loudoun County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

Loudoun County snow forecast December 2025

Track daily snowfall levels and discover Loudoun County’s snowy potential this December ❄️
On average, Loudoun County sees 1 snowy days during December, with approximately 0.9 cm of total snowfall.

December rainfall patterns in Loudoun County

Explore the daily rainfall trends and prepare for Loudoun Countys December weather 💧
Typically, Loudoun County has 8 rainy days in December with a total of 113.9 mm of rainfall.
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Location coordinates Where is Loudoun County?

Get accurate weather forecasts for Loudoun County, located at latitude 39.116 and longitude -77.564. Stay updated with localized weather information tailored for Loudoun County.

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