Weather on January 21
Knoxville, TN
55 Years of Data
Avg High
45°F
Avg Low
26°F
Warmest
1974
59°F avg
Coldest
1985
-10°F avg
About This Date
January 21st in Knoxville, TN typically brings chilly winter weather, with average highs around 45°F and lows near 26°F. Over 56 years of records, the warmest January 21st was in 1974 (59°F average), while the coldest was 1985 (-10°F) — a 69°F range across recorded history. Rain or other precipitation has occurred on about 38% of January 21st dates historically, with the wettest January 21st recording 3.73" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for January 21st in Knoxville, TN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 35° | 12° | 24° | — | — |
| 2025 | 23° | 11° | 17° | — | — |
| 2024 | 20° | 8° | 14° | — | — |
| 2023 | 53° | 38° | 45° | — | — |
| 2022 | 44° | 25° | 34° | 1.5" | — |
| 2021 | 50° | 32° | 41° | — | — |
| 2020 | 49° | 20° | 34° | — | — |
| 2019 | 51° | 22° | 36° | — | — |
| 2018 | 60° | 15° | 38° | — | — |
| 2017 | 69° | 43° | 56° | 0.89" | — |
| 2016 | 30° | 9° | 19° | — | — |
| 2015 | 64° | 31° | 47° | — | — |
| 2014 | 58° | 31° | 44° | — | — |
| 2013 | 56° | 26° | 41° | — | — |
| 2012 | 54° | 39° | 46° | 1.9" | — |
| 2011 | 46° | 22° | 34° | 0.03" | — |
| 2010 | 57° | 46° | 52° | 1.65" | — |
| 2009 | 28° | 10° | 19° | — | — |
| 2008 | 27° | 11° | 19° | — | — |
| 2007 | 45° | 34° | 39° | 0.18" | — |
| 2006 | 63° | 32° | 47° | 0.74" | — |
| 2005 | 40° | 25° | 32° | — | — |
| 2004 | 37° | 17° | 27° | — | — |
| 2003 | 56° | 39° | 47° | 0.79" | — |
| 2002 | 47° | 29° | 38° | — | — |
| 2001 | 35° | 21° | 28° | 0.28" | — |
| 2000 | 38° | 13° | 25° | — | — |
| 1999 | 62° | 40° | 51° | — | — |
| 1998 | 45° | 25° | 35° | — | — |
| 1997 | 50° | 25° | 37° | — | — |
| 1996 | 37° | 14° | 26° | — | — |
| 1995 | 36° | 29° | 32° | 0.03" | — |
| 1994 | 23° | 6° | 15° | — | — |
| 1993 | 49° | 39° | 44° | 0.91" | — |
| 1992 | 48° | 23° | 36° | — | — |
| 1991 | 47° | 38° | 42° | 0.25" | — |
| 1990 | 56° | 42° | 49° | 3.73" | — |
| 1989 | 50° | 25° | 37° | — | — |
| 1988 | 77° | 31° | 54° | — | — |
| 1987 | 55° | 29° | 42° | — | — |
| 1986 | 46° | 23° | 35° | — | — |
| 1985coldest | 0° | -20° | -10° | — | — |
| 1984 | 29° | 4° | 16° | — | — |
| 1983 | 48° | 33° | 41° | 0.2" | — |
| 1982 | 49° | 41° | 45° | 2.82" | — |
| 1981 | 43° | 38° | 40° | 0.48" | — |
| 1980 | 57° | 36° | 46° | — | — |
| 1979 | 45° | 33° | 39° | 2.59" | — |
| 1978 | 29° | 24° | 26° | 0.05" | — |
| 1977 | 29° | 10° | 19° | — | — |
| 1976 | 37° | 29° | 33° | 0.05" | — |
| 1975 | 36° | 30° | 33° | — | — |
| 1974warmest | 64° | 53° | 59° | 0.28" | — |
| 1973 | 56° | 36° | 46° | — | — |
| 1972 | 62° | 47° | 54° | 2.16" | — |
| 1971 | 45° | 21° | 33° | — | — |
56 years of data from KNOXVILLE UNIV OF TENN