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Weather in Knox County, Tennessee for December 2025

Your guide to Knox County weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Knox County during December is quite rare, with fewer than 2 snowy days on average.
    According to Knox County snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Knox County is cooler than usual, with temperatures averaging 6.2 °F, this is -2.4 °F below the typical seasonal average.

  • The forecast for the next days in Knox County predicts temperatures to be around 15 °F, close to the historical average.

  • In general, the average temperature in Knox County at the beginning of December is 7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 16.1 °F by the end of December.

    • Rain 🌧️

  • The climate of Knox County in December is notably wet, with an average of 11 rainy days, and a total of 203.4 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
1
Snow days
Average temperatures
9°/3°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Knox County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
8°
2
Moderate or heavy rain with thunder
7°
3
Light rain shower
8°
4
Fog
6°
5
Overcast
7°
6
Patchy rain possible
5°
7
Freezing fog
8°
8
Overcast
9°
9
Light rain shower
12°
10
Light rain shower
14°
11
Overcast
4°
12
Cloudy
9°
13
Overcast
9°
14
Overcast
7°
15
Sunny
8°
16
Cloudy
11°
17
Light rain
11°
18
Heavy rain at times
12°
19
Sunny
8°
20
Overcast
5°
21
Sunny
12°
22
Cloudy
15°
23
Overcast
12°
24
Cloudy
17°
25
Mist
18°
26
Patchy rain possible
16°
27
Cloudy
15°
28
Sunny
15°
29
Partly cloudy
15°
30
Overcast
16°
31
Patchy rain possible
18°

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

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 8° /1° 2 mm 0 cm
Dec. 2 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 7° /3° 38.3 mm 0 cm
Dec. 3 Light rain shower
Light rain shower
 8° /1° 2 mm 0 cm
Dec. 4 Fog
Fog
 6° /-2° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 7° /-1° 10.5 mm 0.5 cm
Dec. 6 Patchy rain possible
Patchy rain possible
 5° /-1° 0.1 mm 0 cm
Dec. 7 Freezing fog
Freezing fog
 8° /-2° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 9° /3° 0 mm 0 cm
Dec. 9 Light rain shower
Light rain shower
 12° /4° 21.7 mm 0 cm
Dec. 10 Light rain shower
Light rain shower
 14° /3° 18.2 mm 0 cm
Dec. 11 Overcast
Overcast
 4° /0° 0 mm 0 cm
Dec. 12 Cloudy
Cloudy
 9° /0° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 9° /1° 0 mm 0 cm
Dec. 14 Overcast
Overcast
 7° /-2° 0 mm 0 cm
Dec. 15 Sunny
Sunny
 8° /-1° 0 mm 0 cm
Dec. 16 Cloudy
Cloudy
 11° /3° 0 mm 0 cm
Dec. 17 Light rain
Light rain
 11° /6° 3.9 mm 0 cm
Dec. 18 Heavy rain at times
Heavy rain at times
 12° /4° 9.8 mm 0 cm
Dec. 19 Sunny
Sunny
 8° /0° 20.1 mm 0 cm
Dec. 20 Overcast
Overcast
 5° /-1° 0 mm 0 cm
Dec. 21 Sunny
Sunny
 12° /2° 0 mm 0 cm
Dec. 22 Cloudy
Cloudy
 15° /1° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 12° /6° 0.1 mm 0 cm
Dec. 24 Cloudy
Cloudy
 17° /11° 0.1 mm 0 cm
Dec. 25 Mist
Mist
 18° /12° 0 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 16° /14° 0.9 mm 0 cm
Dec. 27 Cloudy
Cloudy
 15° /8° 0 mm 0 cm
Dec. 28 Sunny
Sunny
 15° /5° 0 mm 0 cm
Dec. 29 Partly cloudy
Partly cloudy
 15° /6° 0 mm 0 cm
Dec. 30 Overcast
Overcast
 16° /9° 0 mm 0 cm
Dec. 31 Patchy rain possible
Patchy rain possible
 18° /11° 0.2 mm 0 cm
Next
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 3°.
How much rainfall should be expected in Knox County during December?
Significant rainfall exceeding 203.4 mm is expected in Knox County during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Knox County in December 2025?
Knox County typically sees 0.36 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 12 km/h, suggesting breezy to windy conditions, depending on your activities.

Knox County snow forecast December 2025

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 0.4 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 11 rainy days in December with a total of 203.4 mm of rainfall.
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Location coordinates Where is Knox County?

Get accurate weather forecasts for Knox County, located at latitude 35.961 and longitude -83.921. Stay updated with localized weather information tailored for Knox County.

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