Montgomery County (Silver Spring)
December
Weather in Montgomery County, Maryland for December 2025
Your guide to Montgomery County weather in December - trends and predictions
In general, the average temperature in Montgomery County at the beginning of December is 4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.7 °F by the end of December.
The climate of Montgomery County in December is notably wet, with an average of 13 rainy days, and a total of 139.3 mm of precipitation.
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Temperatures
Rain 🌧️
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18
Dry days
13
Rainy days
0
Snow days
6°/0°
Temperatures
16 km/h
Avg max wind
76 %
Avg humidity
Montgomery County Weather December
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Temperatures trend during December in Montgomery County
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December weather in Montgomery County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 6° /-1° | 0 mm | 2 | |
| Dec. 2 |  Sunny | 4° /-3° | 0 mm | 2 | |
| Dec. 3 | Sunny | 6° /-3° | 0 mm | 3 | |
| Dec. 4 |  Cloudy | 4° /-2° | 0 mm | 1 | |
| Dec. 5 |  Moderate rain at times | 3° /-2° | 1.1 mm | 1 | |
| Dec. 6 | Sunny | 2° /-4° | 0 mm | 2 | |
| Dec. 7 | Cloudy | 3° /-3° | 0 mm | 1 | |
| Dec. 8 | Cloudy | 12° /0° | 0 mm | 3 | |
| Dec. 9 | Moderate or heavy rain shower | 10° /4° | 9.7 mm | 3 | |
| Dec. 10 |  Patchy rain possible | 11° /5° | 9 mm | 3 | |
| Dec. 11 | Moderate or heavy rain shower | 11° /3° | 59.9 mm | 3 | |
| Dec. 12 | Sunny | 5° /0° | 0 mm | 3 | |
| Dec. 13 | Overcast | 3° /-2° | 0 mm | 1 | |
| Dec. 14 | Overcast | 1° /-2° | 0 mm | 1 | |
| Dec. 15 | Patchy rain possible | 3° /-1° | 5.4 mm | 1 | |
| Dec. 16 |  Heavy rain at times | 8° /3° | 9.4 mm | 2 | |
| Dec. 17 | Overcast | 15° /7° | 0 mm | 4 | |
| Dec. 18 | Moderate rain at times | 8° /2° | 5.4 mm | 2 | |
| Dec. 19 | Sunny | 6° /1° | 0 mm | 3 | |
| Dec. 20 |  Light freezing rain | 3° /0° | 1 mm | 1 | |
| Dec. 21 | Overcast | 2° /-2° | 0 mm | 1 | |
| Dec. 22 | Sunny | 0° /-5° | 0 mm | 2 | |
| Dec. 23 | Overcast | 0° /-6° | 0 mm | 1 | |
| Dec. 24 | Light freezing rain | 4° /-3° | 0.6 mm | 1 | |
| Dec. 25 | Cloudy | 4° /0° | 0 mm | 1 | |
| Dec. 26 | Cloudy | 3° /0° | 0 mm | 1 | |
| Dec. 27 | Cloudy | 5° /0° | 1.6 mm | 2 | |
| Dec. 28 | Moderate or heavy rain shower | 8° /3° | 20 mm | 2 | |
| Dec. 29 | Patchy rain possible | 17° /7° | 3.6 mm | 4 | |
| Dec. 30 |  Partly cloudy | 14° /9° | 12.5 mm | 4 | |
| Dec. 31 |  Fog | 10° /2° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Montgomery 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 Montgomery County forecast closer to your planned date for the most up-to-date weather information.
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Montgomery County in December - FAQ
What are the expected maximum and minimum temperatures in Montgomery County during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 0°.
How much rainfall should be expected in Montgomery County during December?
Significant rainfall exceeding 139.3 mm is expected in Montgomery County during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Montgomery County in December 2025?
Montgomery County typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Montgomery County during December?
The average wind speed in Montgomery County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Montgomery County
Explore the daily rainfall trends and prepare for Montgomery Countys December weather 💧
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