Franklin County (Tri-Cities)
December
Weather in Franklin County for December 2025
Your guide to Franklin County weather in December - trends and predictions
With an average of 2 snowy days, Franklin County usually enjoys a light touch of snow in December.
In general, the average temperature in Franklin County at the beginning of December is 6.3 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 6.1 °F by the end of December.
Franklin County experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 54.4 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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19
Dry days
10
Rainy days
2
Snow days
4°/-1°
Temperatures
14 km/h
Avg max wind
84 %
Avg humidity
Franklin County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  6° | 2  5° | 3  7° | 4  4° | 5 6° | 6 7° | |
| 7 9° | 8  9° | 9 4° | 10 4° | 11 6° | 12  4° | 13  6° |
| 14  6° | 15 5° | 16 4° | 17  6° | 18 9° | 19 5° | 20 7° |
| 21 6° | 22 -3° | 23  -1° | 24  2° | 25 3° | 26 7° | 27  7° |
| 28 9° | 29 5° | 30 8° | 31 4° |
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Temperatures trend during December in Franklin County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Moderate or heavy sleet | 6° /-2° | 1.8 mm | 0 cm | |
| Dec. 2 | Patchy rain possible | 5° /0° | 0 mm | 0 cm | |
| Dec. 3 | Moderate rain | 7° /1° | 4.6 mm | 0 cm | |
| Dec. 4 | Light rain | 4° /1° | 0.5 mm | 0 cm | |
| Dec. 5 | Light rain | 6° /1° | 6.2 mm | 0 cm | |
| Dec. 6 | Patchy rain possible | 7° /2° | 1.1 mm | 0 cm | |
| Dec. 7 | Light rain | 9° /0° | 7.2 mm | 0 cm | |
| Dec. 8 | Mist | 9° /0° | 0 mm | 0 cm | |
| Dec. 9 | Light drizzle | 4° /-2° | 0.5 mm | 0 cm | |
| Dec. 10 | Moderate rain | 4° /0° | 6.2 mm | 0 cm | |
| Dec. 11 | Patchy rain possible | 6° /-1° | 0.1 mm | 0 cm | |
| Dec. 12 | Overcast | 4° /-1° | 0 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 6° /0° | 0 mm | 0 cm | |
| Dec. 14 | Cloudy | 6° /2° | 6.4 mm | 0 cm | |
| Dec. 15 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 4° /0° | 11 mm | 0 cm | |
| Dec. 17 | Sunny | 6° /1° | 4.5 mm | 0 cm | |
| Dec. 18 | Light drizzle | 9° /1° | 0.5 mm | 0 cm | |
| Dec. 19 | Patchy rain possible | 5° /0° | 0.1 mm | 0 cm | |
| Dec. 20 | Partly cloudy | 7° /2° | 0 mm | 0 cm | |
| Dec. 21 | Partly cloudy | 6° /1° | 2.1 mm | 0 cm | |
| Dec. 22 | Overcast | -3° /-8° | 5.2 mm | 0 cm | |
| Dec. 23 | Light freezing rain | -1° /-5° | 1.4 mm | 0 cm | |
| Dec. 24 | Moderate snow | 2° /-3° | 15.6 mm | 0.9 cm | |
| Dec. 25 | Light freezing rain | 3° /-3° | 1.8 mm | 0 cm | |
| Dec. 26 | Patchy rain possible | 7° /2° | 22.8 mm | 0 cm | |
| Dec. 27 | Moderate rain at times | 7° /1° | 3.9 mm | 0 cm | |
| Dec. 28 | Overcast | 9° /2° | 6.1 mm | 0 cm | |
| Dec. 29 | Patchy rain possible | 5° /1° | 6.7 mm | 0 cm | |
| Dec. 30 | Patchy rain possible | 8° /1° | 3 mm | 0.4 cm | |
| Dec. 31 | Cloudy | 4° /0° | 0.3 mm | 0 cm | |
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Important Notice
Our weather forecast for Franklin 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 Franklin County forecast closer to your planned date for the most up-to-date weather information.
Franklin County in December - FAQ
What are the expected maximum and minimum temperatures in Franklin County during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Franklin County during December?
Moderate rainfall is anticipated in Franklin County during December, with a total of 54.4 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
Will it snow in Franklin County in December 2025?
Franklin County experiences an average snowfall of 2.47 cm during December, occurring over 2 days.
What are the typical wind conditions in Franklin County during December?
The average wind speed in Franklin County during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
Franklin County snow forecast December 2025
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December rainfall patterns in Franklin County
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Where is Franklin County?Get accurate weather forecasts for Franklin County, located at latitude 46.245 and longitude -119.196. Stay updated with localized weather information tailored for Franklin County.
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