Weather on August 13
Knoxville, TN
55 Years of Data
Avg High
87°F
Avg Low
66°F
Warmest
1977
83°F avg
Coldest
2004
59°F avg
About This Date
August 13th in Knoxville, TN typically brings warm summer weather, with average highs around 87°F and lows near 66°F. Over 55 years of records, the warmest August 13th was in 1977 (83°F average), while the coldest was 2004 (59°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 13th dates historically, with the wettest August 13th recording 5.59" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for August 13th in Knoxville, TN? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 71° | 78° | 0.58" | — |
| 2024 | 88° | 60° | 74° | — | — |
| 2023 | 90° | 66° | 78° | 2.01" | — |
| 2022 | 88° | 64° | 76° | — | — |
| 2021 | 93° | 69° | 81° | — | — |
| 2020 | 90° | 68° | 79° | — | — |
| 2019 | 91° | 66° | 79° | — | — |
| 2018 | 89° | 70° | 79° | — | — |
| 2017 | 87° | 71° | 79° | 5.36" | — |
| 2016 | 94° | 72° | 83° | — | — |
| 2015 | 89° | 62° | 76° | — | — |
| 2014 | 84° | 58° | 71° | 0.81" | — |
| 2013 | 84° | 71° | 78° | 0.13" | — |
| 2012 | 83° | 57° | 70° | — | — |
| 2011 | 91° | 65° | 78° | — | — |
| 2010 | 92° | 71° | 81° | — | — |
| 2009 | 86° | 65° | 75° | — | — |
| 2008 | 81° | 61° | 71° | — | — |
| 2007 | 96° | 64° | 80° | — | — |
| 2006 | 87° | 66° | 77° | — | — |
| 2005 | 94° | 69° | 81° | — | — |
| 2004coldest | 63° | 55° | 59° | 0.58" | — |
| 2003 | 86° | 65° | 75° | — | — |
| 2002 | 92° | 64° | 78° | — | — |
| 2001 | 84° | 73° | 79° | 0.03" | — |
| 2000 | 84° | 56° | 70° | — | — |
| 1999 | 94° | 70° | 82° | — | — |
| 1998 | 85° | 64° | 74° | — | — |
| 1997 | 91° | 68° | 80° | 0.08" | — |
| 1996 | 85° | 68° | 76° | 0.76" | — |
| 1995 | 95° | 72° | 83° | — | — |
| 1994 | 88° | 66° | 77° | — | — |
| 1993 | 86° | 68° | 77° | 1.4" | — |
| 1992 | 82° | 66° | 74° | 0.2" | — |
| 1991 | 79° | 65° | 72° | — | — |
| 1990 | 86° | 64° | 75° | — | — |
| 1989 | 83° | 59° | 71° | — | — |
| 1988 | 89° | 66° | 78° | — | — |
| 1987 | 93° | 66° | 80° | — | — |
| 1986 | 87° | 65° | 76° | — | — |
| 1985 | 93° | 67° | 80° | — | — |
| 1984 | 86° | 66° | 76° | — | — |
| 1983 | 83° | 60° | 71° | — | — |
| 1982 | 89° | 70° | 79° | — | — |
| 1981 | 87° | 63° | 75° | — | — |
| 1980 | 88° | 68° | 78° | — | — |
| 1979 | 74° | 59° | 66° | — | — |
| 1978 | 85° | 67° | 76° | 5.59" | — |
| 1977warmest | 92° | 74° | 83° | 0.46" | — |
| 1976 | 92° | 72° | 82° | — | — |
| 1975 | 88° | 69° | 78° | — | — |
| 1974 | 83° | 67° | 75° | 0.05" | — |
| 1973 | 87° | 70° | 78° | 0.03" | — |
| 1972 | 84° | 69° | 77° | — | — |
| 1971 | 83° | 67° | 75° | — | — |
55 years of data from KNOXVILLE UNIV OF TENN