Measurements:
°C
°F
Knoxville
58°F
SW 3 mph
Feels like: 58°F
Precip: 15%
World Resorts USA Knoxville Weather December Weather in Knoxville

Knoxville Weather: December

Average Day Temperature: 50.1°F
Average Night Temperature: 38.7°F
Number of Sunny Days: 11 days
Sunshine Hours: 9.7 - 9.9 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.9 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 71°F. The lowest night temperature was 10°F. The average values for day and night temperatures during December were 49.0°F и 36.5°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Knoxville is 0.9 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 4.9 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Knoxville in December is 5.2 hours.

Best Time to Visit Knoxville
The most sunny months:
October 17 days
September 15 days
November 14 days
The most warm months:
July 92.1 °F
August 90.0 °F
June 87.8 °F
The most cold months:
January 44.1 °F
December 50.1 °F
February 51.1 °F
The most rainy months:
March 4 days
January 4 days
April 3 days
The most windy months:
March 6 mph
February 5 mph
April 5 mph

Knoxville on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Knoxville
Local time: 00:47
27 oct, tuesday
0300 54°F
SW
4 mph
0600 52°F
SW
4 mph
0900 54°F
SW
2 mph
1200 68°F
W
2 mph
1500 76°F
E
1 mph
1800 72°F
SE
2 mph
2100 64°F
SW
2 mph
28 oct, wednesday
0000 60°F
NW
1 mph