Weather on April 20
Knoxville, TN
55 Years of Data
Avg High
73°F
Avg Low
47°F
Warmest
2002
76°F avg
Coldest
1983
41°F avg
About This Date
April 20th in Knoxville, TN typically brings pleasant spring weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 55 years of records, the warmest April 20th was in 2002 (76°F average), while the coldest was 1983 (41°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 31% of April 20th dates historically, with the wettest April 20th recording 4.27" 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 April 20th in Knoxville, TN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 54° | 69° | — | — |
| 2024 | 66° | 50° | 58° | — | — |
| 2023 | 81° | 44° | 62° | — | — |
| 2022 | 60° | 33° | 47° | — | — |
| 2021 | 60° | 32° | 46° | 0.41" | — |
| 2020 | 72° | 34° | 53° | 4.27" | — |
| 2019 | 68° | 42° | 55° | 1.14" | — |
| 2018 | 66° | 38° | 52° | — | — |
| 2017 | 80° | 59° | 70° | — | — |
| 2016 | 86° | 47° | 66° | — | — |
| 2015 | 79° | 53° | 66° | — | — |
| 2014 | 66° | 40° | 53° | — | — |
| 2013 | 64° | 33° | 49° | 1.32" | — |
| 2012 | 74° | 49° | 61° | — | — |
| 2011 | 83° | 61° | 72° | 0.53" | — |
| 2010 | 69° | 45° | 57° | — | — |
| 2009 | 60° | 52° | 56° | 1.91" | — |
| 2008 | 69° | 50° | 60° | 0.91" | — |
| 2007 | 67° | 38° | 52° | — | — |
| 2006 | 79° | 57° | 68° | 1.22" | — |
| 2005 | 81° | 47° | 64° | — | — |
| 2004 | 81° | 53° | 67° | — | — |
| 2003 | 78° | 53° | 66° | — | — |
| 2002warmest | 88° | 64° | 76° | — | — |
| 2001 | 66° | 31° | 48° | — | — |
| 2000 | 76° | 47° | 61° | — | — |
| 1999 | 68° | 35° | 52° | 0.2" | — |
| 1998 | 64° | 43° | 53° | 1.02" | — |
| 1997 | 63° | 38° | 50° | — | — |
| 1996 | 71° | 54° | 62° | 0.33" | — |
| 1995 | 83° | 60° | 71° | 0.43" | — |
| 1994 | 81° | 47° | 64° | — | — |
| 1993 | 76° | 42° | 59° | — | — |
| 1992 | 80° | 55° | 68° | 0.51" | — |
| 1991 | 74° | 57° | 65° | 0.86" | — |
| 1990 | 70° | 34° | 52° | — | — |
| 1989 | 69° | 44° | 57° | — | — |
| 1988 | 62° | 29° | 45° | — | — |
| 1987 | 80° | 44° | 62° | — | — |
| 1986 | 78° | 46° | 62° | — | — |
| 1985 | 82° | 52° | 67° | — | — |
| 1984 | 51° | 37° | 44° | 0.25" | — |
| 1983coldest | 55° | 26° | 41° | — | — |
| 1982 | 65° | 55° | 60° | — | — |
| 1981 | 78° | 61° | 69° | — | — |
| 1980 | 76° | 49° | 62° | — | — |
| 1979 | 73° | 46° | 60° | — | — |
| 1978 | 66° | 46° | 56° | 0.08" | — |
| 1977 | 77° | 58° | 67° | — | — |
| 1976 | 86° | 56° | 71° | — | — |
| 1975 | 58° | 46° | 52° | 0.89" | — |
| 1974 | 74° | 48° | 61° | — | — |
| 1973 | 75° | 60° | 68° | — | — |
| 1972 | 83° | 60° | 71° | — | — |
| 1971 | 83° | 52° | 67° | — | — |
55 years of data from KNOXVILLE UNIV OF TENN