Weather on May 20
Knoxville, TN
55 Years of Data
Avg High
79°F
Avg Low
56°F
Warmest
2017
79°F avg
Coldest
2002
50°F avg
About This Date
May 20th in Knoxville, TN typically brings pleasant spring weather, with average highs around 79°F and lows near 56°F. Over 55 years of records, the warmest May 20th was in 2017 (79°F average), while the coldest was 2002 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 47% of May 20th dates historically, with the wettest May 20th recording 6.12" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Knoxville, TN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 61° | 73° | 2.01" | — |
| 2024 | 87° | 55° | 71° | — | — |
| 2023 | 80° | 59° | 70° | — | — |
| 2022 | 90° | 55° | 72° | — | — |
| 2021 | 83° | 57° | 70° | — | — |
| 2020 | 62° | 54° | 58° | 0.89" | — |
| 2019 | 85° | 60° | 72° | — | — |
| 2018 | 86° | 64° | 75° | 0.51" | — |
| 2017warmest | 89° | 70° | 79° | — | — |
| 2016 | 72° | 55° | 63° | — | — |
| 2015 | 83° | 57° | 70° | — | — |
| 2014 | 74° | 50° | 62° | — | — |
| 2013 | 76° | 60° | 68° | 1.19" | — |
| 2012 | 84° | 58° | 71° | — | — |
| 2011 | 72° | 57° | 64° | 0.05" | — |
| 2010 | 72° | 50° | 61° | — | — |
| 2009 | 73° | 43° | 58° | — | — |
| 2008 | 76° | 52° | 64° | — | — |
| 2007 | 74° | 43° | 58° | — | — |
| 2006 | 76° | 47° | 61° | 1.22" | — |
| 2005 | 84° | 58° | 71° | 6.12" | — |
| 2004 | 84° | 64° | 74° | — | — |
| 2003 | 82° | 60° | 71° | 0.15" | — |
| 2002coldest | 63° | 37° | 50° | — | — |
| 2001 | 86° | 62° | 74° | 0.43" | — |
| 2000 | 87° | 63° | 75° | 0.36" | — |
| 1999 | 71° | 45° | 58° | — | — |
| 1998 | 86° | 55° | 71° | — | — |
| 1997 | 84° | 58° | 71° | 1.17" | — |
| 1996 | 87° | 62° | 75° | — | — |
| 1995 | 74° | 46° | 60° | — | — |
| 1994 | 67° | 41° | 54° | — | — |
| 1993 | 72° | 47° | 59° | 0.2" | — |
| 1992 | 84° | 59° | 72° | 1.32" | — |
| 1991 | 80° | 59° | 70° | 3.73" | — |
| 1990 | 80° | 59° | 70° | 0.05" | — |
| 1989 | 74° | 54° | 64° | 2.34" | — |
| 1988 | 82° | 49° | 65° | — | — |
| 1987 | 86° | 69° | 78° | — | — |
| 1986 | 78° | 56° | 67° | 0.51" | — |
| 1985 | 80° | 49° | 64° | — | — |
| 1984 | 83° | 49° | 66° | — | — |
| 1983 | 73° | 60° | 67° | 3.66" | — |
| 1982 | 84° | 63° | 73° | 0.94" | — |
| 1981 | 76° | 54° | 65° | 0.25" | — |
| 1980 | 81° | 61° | 71° | 2.29" | — |
| 1979 | 80° | 61° | 70° | 0.03" | — |
| 1978 | 82° | 57° | 70° | — | — |
| 1977 | 86° | 61° | 73° | — | — |
| 1976 | 72° | 46° | 59° | — | — |
| 1975 | 84° | 58° | 71° | — | — |
| 1974 | 85° | 61° | 73° | 1.55" | — |
| 1973 | 74° | 58° | 66° | 0.56" | — |
| 1972 | 74° | 57° | 65° | 0.28" | — |
| 1971 | 84° | 62° | 73° | 0.15" | — |
55 years of data from KNOXVILLE UNIV OF TENN