Washington County (Washington)
December
Weather in Washington County for December 2025
Your guide to Washington County weather in December - trends and predictions
With an average of 3 snowy days, Washington County usually enjoys a light touch of snow in December.
In general, the average temperature in Washington County at the beginning of December is 10.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.4 °F by the end of December.
The climate of Washington County in December is notably wet, with an average of 14 rainy days, and a total of 141.6 mm of precipitation.
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Snow Forecast ❄️
Temperatures
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14
Dry days
14
Rainy days
3
Snow days
9°/2°
Temperatures
15 km/h
Avg max wind
68 %
Avg humidity
Washington County in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  9° | 2  12° | 3 13° | 4  10° | 5 8° | 6  10° | |
| 7 9° | 8 12° | 9 9° | 10 12° | 11 12° | 12 9° | 13  10° |
| 14 7° | 15 8° | 16 9° | 17 10° | 18 9° | 19 7° | 20 6° |
| 21 7° | 22 8° | 23 7° | 24 7° | 25 9° | 26 6° | 27 7° |
| 28 10° | 29 11° | 30 11° | 31  12° |
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Temperatures trend during December in Washington County
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December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | 9° /1° | 0.3 mm | 0 cm | |
| Dec. 2 | Sunny | 12° /3° | 0.1 mm | 0 cm | |
| Dec. 3 | Sunny | 13° /4° | 5.9 mm | 0 cm | |
| Dec. 4 | Partly cloudy | 10° /2° | 0 mm | 0 cm | |
| Dec. 5 | Overcast | 8° /0° | 0 mm | 0 cm | |
| Dec. 6 | Moderate rain at times | 10° /2° | 4.1 mm | 0 cm | |
| Dec. 7 | Overcast | 9° /2° | 0.3 mm | 0 cm | |
| Dec. 8 | Overcast | 12° /3° | 0.3 mm | 0 cm | |
| Dec. 9 | Overcast | 9° /1° | 4.5 mm | 0 cm | |
| Dec. 10 | Overcast | 12° /4° | 7.8 mm | 0 cm | |
| Dec. 11 | Overcast | 12° /4° | 25.7 mm | 0 cm | |
| Dec. 12 | Overcast | 9° /2° | 0 mm | 0 cm | |
| Dec. 13 | Cloudy | 10° /1° | 0.1 mm | 0 cm | |
| Dec. 14 | Overcast | 7° /0° | 7.5 mm | 0 cm | |
| Dec. 15 | Overcast | 8° /0° | 8.9 mm | 1 cm | |
| Dec. 16 | Overcast | 9° /3° | 8.9 mm | 0 cm | |
| Dec. 17 | Overcast | 10° /4° | 11.1 mm | 2 cm | |
| Dec. 18 | Overcast | 9° /2° | 4.9 mm | 0 cm | |
| Dec. 19 | Sunny | 7° /0° | 0.7 mm | 0 cm | |
| Dec. 20 | Sunny | 6° /-1° | 0.2 mm | 0 cm | |
| Dec. 21 | Partly cloudy | 7° /-1° | 0.3 mm | 0 cm | |
| Dec. 22 | Overcast | 8° /-1° | 6.3 mm | 0.1 cm | |
| Dec. 23 | Overcast | 7° /-4° | 0.6 mm | 0 cm | |
| Dec. 24 | Overcast | 7° /-1° | 7.1 mm | 0.2 cm | |
| Dec. 25 | Partly cloudy | 9° /0° | 3.9 mm | 0 cm | |
| Dec. 26 | Sunny | 6° /0° | 0.7 mm | 0 cm | |
| Dec. 27 | Partly cloudy | 7° /2° | 9.7 mm | 0 cm | |
| Dec. 28 | Partly cloudy | 10° /3° | 2.5 mm | 0 cm | |
| Dec. 29 | Sunny | 11° /3° | 1.9 mm | 0 cm | |
| Dec. 30 | Partly cloudy | 11° /4° | 5.4 mm | 0 cm | |
| Dec. 31 | Patchy rain possible | 12° /4° | 2.9 mm | 0 cm | |
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Important Notice
Our weather forecast for Washington 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 Washington County forecast closer to your planned date for the most up-to-date weather information.
Washington County in December - FAQ
What are the expected maximum and minimum temperatures in Washington County during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 2°.
How much rainfall should be expected in Washington County during December?
Significant rainfall exceeding 141.6 mm is expected in Washington County during December, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Washington County in December 2025?
Washington County experiences an average snowfall of 3.8 cm during December, occurring over 3 days.
What are the typical wind conditions in Washington County during December?
The average wind speed in Washington County during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
Washington County snow forecast December 2025
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December rainfall patterns in Washington County
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Where is Washington County?Get accurate weather forecasts for Washington County, located at latitude 38.895 and longitude -77.036. Stay updated with localized weather information tailored for Washington County.
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