Weather on December 9
Knoxville, TN
55 Years of Data
Avg High
51°F
Avg Low
32°F
Warmest
1980
61°F avg
Coldest
2006
22°F avg
About This Date
December 9th in Knoxville, TN typically brings cool winter weather, with average highs around 51°F and lows near 32°F. Over 55 years of records, the warmest December 9th was in 1980 (61°F average), while the coldest was 2006 (22°F) — a 39°F range across recorded history. Precipitation has occurred on 42% of recorded December 9th dates, with snow falling 2% of the time. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for December 9th in Knoxville, TN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 40° | 22° | 31° | — | — |
| 2024 | 53° | 27° | 40° | 2.06" | — |
| 2023 | 60° | 27° | 43° | — | — |
| 2022 | 65° | 50° | 57° | 4.78" | — |
| 2021 | 50° | 32° | 41° | — | — |
| 2020 | 40° | 30° | 35° | — | — |
| 2019 | 59° | 29° | 44° | 0.08" | — |
| 2018 | 42° | 36° | 39° | 1.73" | — |
| 2017 | 36° | 30° | 33° | 0.15" | 0.7" |
| 2016 | 44° | 30° | 37° | — | — |
| 2015 | 58° | 31° | 44° | — | — |
| 2014 | 51° | 33° | 42° | — | — |
| 2013 | 45° | 37° | 41° | 3.05" | — |
| 2012 | 70° | 51° | 60° | — | — |
| 2011 | 46° | 25° | 35° | — | — |
| 2010 | 33° | 15° | 24° | — | — |
| 2009 | 59° | 42° | 51° | 6.88" | — |
| 2008 | 44° | 25° | 34° | — | — |
| 2007 | 50° | 46° | 48° | 0.33" | — |
| 2006coldest | 32° | 12° | 22° | — | — |
| 2005 | 53° | 26° | 40° | 1.35" | — |
| 2004 | 56° | 33° | 44° | 0.81" | — |
| 2003 | 52° | 25° | 38° | — | — |
| 2002 | 44° | 29° | 36° | — | — |
| 2001 | 62° | 48° | 55° | 0.61" | — |
| 2000 | 54° | 28° | 41° | — | — |
| 1999 | 58° | 28° | 43° | — | — |
| 1998 | 65° | 41° | 53° | 5.84" | — |
| 1997 | 35° | 22° | 28° | 0.64" | — |
| 1996 | 54° | 25° | 39° | — | — |
| 1995 | 39° | 25° | 32° | 0.91" | — |
| 1994 | 62° | 42° | 52° | — | — |
| 1993 | 58° | 25° | 41° | — | — |
| 1992 | 35° | 25° | 30° | — | — |
| 1991 | 66° | 41° | 54° | 0.28" | — |
| 1990 | 51° | 22° | 36° | — | — |
| 1989 | 41° | 35° | 38° | 0.41" | — |
| 1988 | 53° | 32° | 43° | 1.27" | — |
| 1987 | 64° | 49° | 56° | — | — |
| 1986 | 48° | 40° | 44° | 2.51" | — |
| 1985 | 63° | 35° | 49° | — | — |
| 1984 | 54° | 17° | 35° | — | — |
| 1983 | 48° | 24° | 36° | — | — |
| 1982 | 47° | 27° | 37° | — | — |
| 1981 | 59° | 30° | 45° | — | — |
| 1980warmest | 70° | 52° | 61° | 2.34" | — |
| 1979 | 51° | 30° | 41° | — | — |
| 1978 | 75° | 36° | 55° | 4.93" | — |
| 1977 | 49° | 24° | 36° | 0.53" | — |
| 1976 | 33° | 20° | 26° | — | — |
| 1975 | 54° | 39° | 46° | 0.97" | — |
| 1974 | 47° | 30° | 38° | — | — |
| 1973 | 46° | 30° | 38° | — | — |
| 1972 | 54° | 42° | 48° | 5.18" | — |
| 1971 | 55° | 51° | 53° | — | — |
55 years of data from KNOXVILLE UNIV OF TENN