Knox County (Knoxville)
December
Weather in Knox County, Tennessee for December 2026
Your guide to Knox County weather in December - trends and predictions
Snowfall in Knox County during December is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Knox County at the beginning of December is 6.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.1 °C by the end of December.
Knox County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 213.2 mm.
Is December a good time to visit Knox County? check out the best time to travel to Knox County page.
✨ Is December a good time to visit Knox County? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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24
Dry days
6
Rainy days
1
Snow days
9°/2°
Temperatures
13 km/h
Avg max wind
73 %
Avg humidity
Knox County Weather December
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Temperatures trend during December in Knox County
See the weather trend as well as the moving average line
December weather in Knox County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Patchy rain possible | 8° /1° | 2 mm | 0 cm | |
| Dec. 2 |  Moderate or heavy rain with thunder | 7° /3° | 38.3 mm | 0 cm | |
| Dec. 3 | Light rain shower | 8° /1° | 2 mm | 0 cm | |
| Dec. 4 |  Fog | 6° /-1° | 0 mm | 0 cm | |
| Dec. 5 |  Moderate rain | 6° /0° | 10.5 mm | 0.5 cm | |
| Dec. 6 | Patchy rain possible | 4° /-1° | 0.1 mm | 0 cm | |
| Dec. 7 |  Freezing fog | 7° /-2° | 0 mm | 0 cm | |
| Dec. 8 |  Overcast | 9° /3° | 0 mm | 0 cm | |
| Dec. 9 | Moderate rain | 11° /4° | 21.7 mm | 0 cm | |
| Dec. 10 | Moderate rain | 14° /4° | 18.2 mm | 0 cm | |
| Dec. 11 | Overcast | 4° /0° | 0 mm | 0 cm | |
| Dec. 12 |  Cloudy | 9° /0° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 8° /2° | 0 mm | 0 cm | |
| Dec. 14 | Overcast | 7° /-1° | 0 mm | 0 cm | |
| Dec. 15 |  Sunny | 7° /-1° | 0 mm | 0 cm | |
| Dec. 16 | Cloudy | 11° /3° | 0 mm | 0 cm | |
| Dec. 17 |  Light rain | 10° /6° | 3.9 mm | 0 cm | |
| Dec. 18 |  Heavy rain at times | 12° /4° | 9.8 mm | 0 cm | |
| Dec. 19 | Moderate rain | 7° /1° | 20.1 mm | 0 cm | |
| Dec. 20 | Overcast | 8° /-1° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 8° /1° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 9° /0° | 0 mm | 0 cm | |
| Dec. 23 | Patchy rain possible | 10° /3° | 0 mm | 0 cm | |
| Dec. 24 | Sunny | 12° /5° | 0 mm | 0 cm | |
| Dec. 25 | Patchy rain possible | 13° /9° | 1.6 mm | 0 cm | |
| Dec. 26 | Light rain | 13° /8° | 2.9 mm | 0 cm | |
| Dec. 27 |  Heavy rain | 13° /9° | 28.8 mm | 0 cm | |
| Dec. 28 | Moderate rain | 12° /8° | 24 mm | 0 cm | |
| Dec. 29 | Heavy rain | 12° /3° | 28.9 mm | 0 cm | |
| Dec. 30 | Patchy rain possible | 6° /1° | 0.3 mm | 0.2 cm | |
| Dec. 31 | Cloudy | 9° /1° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Knox 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 Knox County forecast closer to your planned date for the most up-to-date weather information.
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Knox County in December - FAQ
What are the expected maximum and minimum temperatures in Knox 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 Knox County during December?
Significant rainfall exceeding 213.2 mm is expected in Knox County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Knox County in December 2026?
Knox County typically sees 0.8 cm of snowfall during December.
What are the typical wind conditions in Knox County during December?
The average wind speed in Knox County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Knox County snow forecast December 2026
Track daily snowfall levels and discover Knox County’s snowy potential this December ❄️
On average, Knox County sees 1 snowy days during December, with approximately 0.8 cm of total snowfall.
December rainfall patterns in Knox County
Explore the daily rainfall trends and prepare for Knox Countys December weather 💧
Typically, Knox County has 6 rainy days in December with a total of 213.2 mm of rainfall.
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