Weather in Frederick County, Maryland for December 2025
With an average of 2 snowy days, Frederick County usually enjoys a light touch of snow in December.
According to Frederick County snow forecast for December 2025, no snow is expected in the next 2 weeks.Until now, December 2025 in Frederick County has been significantly cooler than historical averages by -2 °F, with average temperature of 2.3 °F.
The forecast for the upcoming days in Frederick County predicts a temperature of 6.8 °F, which is slightly above the historical average.
In general, the average temperature in Frederick County at the beginning of December is 3.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.6 °F by the end of December.
The climate of Frederick County in December is notably wet, with an average of 11 rainy days, and a total of 161.8 mm of precipitation.
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Frederick County Weather December
Temperatures trend during December in Frederick County
December weather in Frederick County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 5° /-3° | 0 mm | 2 | |
| Dec. 2 |  Sunny | 3° /-3° | 45.8 mm | 2 | |
| Dec. 3 | Sunny | 4° /-4° | 0 mm | 3 | |
| Dec. 4 |  Cloudy | 4° /-4° | 0 mm | 1 | |
| Dec. 5 | Cloudy | 0° /-4° | 0 mm | 1 | |
| Dec. 6 | Cloudy | 3° /-3° | 0 mm | 1 | |
| Dec. 7 |  Partly cloudy | 3° /-2° | 0 mm | 2 | |
| Dec. 8 | Overcast | 6° /-3° | 0 mm | 2 | |
| Dec. 9 |  Fog | 6° /-3° | 6.9 mm | 2 | |
| Dec. 10 |  Light rain shower | 9° /0° | 11 mm | 2 | |
| Dec. 11 |  Heavy snow | 4° /-1° | 14.7 mm | 2 | |
| Dec. 12 | Partly cloudy | 6° /-2° | 0 mm | 3 | |
| Dec. 13 | Partly cloudy | 5° /-3° | 0 mm | 0.3 | |
| Dec. 14 | Partly cloudy | -1° /-6° | 0 mm | 0.3 | |
| Dec. 15 | Sunny | -1° /-7° | 0 mm | 0.3 | |
| Dec. 16 | Partly cloudy | 3° /-6° | 0 mm | 0.4 | |
| Dec. 17 | Overcast | 9° /-3° | 0 mm | 0 | |
| Dec. 18 | Partly cloudy | 15° /5° | 0.1 mm | 3 | |
| Dec. 19 | Sunny | 9° /2° | 0 mm | 3 | |
| Dec. 20 | Patchy rain possible | 11° /2° | 1.9 mm | 2 | |
| Dec. 21 | Partly cloudy | 15° /9° | 0.1 mm | 4 | |
| Dec. 22 | Overcast | 7° /5° | 0 mm | 2 | |
| Dec. 23 | Partly cloudy | 14° /4° | 0 mm | 3 | |
| Dec. 24 | Sunny | 1° /-5° | 0 mm | 2 | |
| Dec. 25 | Cloudy | 2° /-6° | 0 mm | 1 | |
| Dec. 26 |  Light rain | 6° /1° | 2.5 mm | 2 | |
| Dec. 27 |  Moderate rain | 7° /3° | 12.9 mm | 2 | |
| Dec. 28 | Patchy rain possible | 9° /5° | 22.7 mm | 3 | |
| Dec. 29 | Light rain | 11° /3° | 12 mm | 3 | |
| Dec. 30 | Overcast | 10° /3° | 25.5 mm | 3 | |
| Dec. 31 | Partly cloudy | 8° /1° | 1.7 mm | 3 | |
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Frederick County in December - FAQ
December rainfall patterns in Frederick County
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Where is Frederick County?Get accurate weather forecasts for Frederick County, located at latitude 39.414 and longitude -77.411. Stay updated with localized weather information tailored for Frederick County.