Knoxville weather in December
Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: April – May, September – October
What is the weather like in Knoxville in December?
In December, Knoxville is cool: daytime highs average 10 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 114 mm in total. All in all, December is not an ideal month for a holiday in Knoxville.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 61 | 30 | 21 |
| Day | 15° | 10° | 8° |
| Night | 5° | 2° | −1° |
| Sun | 5 h | 4 h | 4 h |
| Rain days | 9 | 11 | 11 |
More details for December
- Daylight
- 9 h 44 min07:39 – 17:23
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 1 day1 cm or more of fresh snowAll months
- Time zone
- UTC−5America/New_York
How the score comes together
- Temperatureweight 50 %24 %
- Sunshineweight 20 %15 %
- Few rainy daysweight 30 %51 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Knoxville in December: quick answers
Is Knoxville hot in December?
No. In December, Knoxville is cool: daytime highs average 10 °C and nights drop to about 2 °C.
Does it rain much in Knoxville in December?
Rain is frequent, with about 11 rainy days and 114 mm in total.
Knoxville month by month
The whole year in KnoxvilleAll destinations: USAWhere to go in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences