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Weather in Knoxville, Tennessee for December 2025

Your guide to Knoxville weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Knoxville during December is quite rare, with fewer than 2 snowy days on average.
    According to Knoxville snow forecast for December 2025, 1 snowy day is expected in the next 2 weeks at Sunday, December 14.

    • Temperatures

  • Until now, December 2025 in Knoxville is cooler than usual, with temperatures averaging 5.3 °F, this is -2.8 °F below the typical seasonal average.

  • The forecast for the upcoming days in Knoxville predicts a temperature of 10.8 °F, which is slightly above the historical average.

  • In general, the average temperature in Knoxville at the beginning of December is 7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12.9 °F by the end of December.

    • Rain 🌧️

  • The climate of Knoxville 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

Knoxville 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
Partly cloudy
9°
14
Patchy moderate snow
-0°
15
Sunny
2°
16
Sunny
7°
17
Patchy rain possible
6°
18
Patchy rain possible
15°
19
Sunny
10°
20
Cloudy
10°
21
Moderate rain
15°
22
Patchy rain possible
9°
23
Patchy rain possible
10°
24
Partly cloudy
16°
25
Patchy rain possible
16°
26
Patchy rain possible
18°
27
Patchy rain possible
17°
28
Patchy rain possible
10°
29
Light snow
10°
30
Moderate or heavy snow showers
8°
31
Cloudy
11°

Temperatures trend during December in Knoxville

See the weather trend as well as the moving average line

December weather in Knoxville 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 Partly cloudy
Partly cloudy
 9° /1° 0 mm 0 cm
Dec. 14 Patchy moderate snow
Patchy moderate snow
 0° /-9° 0.5 mm 0.2 cm
Dec. 15 Sunny
Sunny
 2° /-9° 0 mm 0 cm
Dec. 16 Sunny
Sunny
 7° /-1° 0 mm 0 cm
Dec. 17 Patchy rain possible
Patchy rain possible
 6° /2° 2.4 mm 0 cm
Dec. 18 Patchy rain possible
Patchy rain possible
 15° /6° 4.1 mm 0 cm
Dec. 19 Sunny
Sunny
 10° /4° 0 mm 0 cm
Dec. 20 Cloudy
Cloudy
 10° /3° 0 mm 0 cm
Dec. 21 Moderate rain
Moderate rain
 15° /8° 6.9 mm 0 cm
Dec. 22 Patchy rain possible
Patchy rain possible
 9° /4° 0.1 mm 0 cm
Dec. 23 Patchy rain possible
Patchy rain possible
 10° /7° 0.1 mm 0 cm
Dec. 24 Partly cloudy
Partly cloudy
 16° /10° 0 mm 0 cm
Dec. 25 Patchy rain possible
Patchy rain possible
 16° /13° 3.1 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 18° /13° 1.3 mm 0 cm
Dec. 27 Patchy rain possible
Patchy rain possible
 17° /9° 0.9 mm 0 cm
Dec. 28 Patchy rain possible
Patchy rain possible
 10° /5° 36 mm 0 cm
Dec. 29 Light snow
Light snow
 10° /5° 39.1 mm 0.1 cm
Dec. 30 Moderate or heavy snow showers
Moderate or heavy snow showers
 8° /4° 0.4 mm 0.3 cm
Dec. 31 Cloudy
Cloudy
 11° /2° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Knoxville 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 Knoxville forecast closer to your planned date for the most up-to-date weather information.
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Knoxville in December - FAQ

What are the expected maximum and minimum temperatures in Knoxville during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 3°.
How much rainfall should be expected in Knoxville during December?
Significant rainfall exceeding 203.4 mm is expected in Knoxville during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Knoxville in December 2025?
Knoxville typically sees 0.36 cm of snowfall during December.
What are the typical wind conditions in Knoxville during December?
The average wind speed in Knoxville during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

Knoxville snow forecast December 2025

Track daily snowfall levels and discover Knoxville’s snowy potential this December ❄️
On average, Knoxville sees 1 snowy days during December, with approximately 0.4 cm of total snowfall.

December rainfall patterns in Knoxville

Explore the daily rainfall trends and prepare for Knoxvilles December weather 💧
Typically, Knoxville has 11 rainy days in December with a total of 203.4 mm of rainfall.

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Location coordinates Where is Knoxville?

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

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