Weather on August 31
Chattanooga, TN
55 Years of Data
About This Date
August 31st in Chattanooga, TN typically brings warm summer weather, with average highs around 88°F and lows near 68°F. Over 55 years of records, the warmest August 31st was in 1993 (85°F average), while the coldest was 1986 (64°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 31st dates historically, with the wettest August 31st recording 5.54" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 31st in Chattanooga, TN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 63° | 74° | — | — |
| 2024 | 98° | 72° | 85° | 0.08" | — |
| 2023 | 86° | 66° | 76° | — | — |
| 2022 | 90° | 67° | 78° | — | — |
| 2021 | 79° | 71° | 75° | 5.54" | — |
| 2020 | 89° | 74° | 81° | 0.79" | — |
| 2019 | 92° | 64° | 78° | — | — |
| 2018 | 87° | 70° | 78° | — | — |
| 2017 | 79° | 68° | 73° | 0.86" | — |
| 2016 | 95° | 72° | 83° | — | — |
| 2015 | 86° | 68° | 77° | — | — |
| 2014 | 84° | 69° | 77° | 0.43" | — |
| 2013 | 93° | 74° | 83° | — | — |
| 2012 | 89° | 75° | 82° | — | — |
| 2011 | 93° | 75° | 84° | — | — |
| 2010 | 94° | 65° | 79° | — | — |
| 2009 | 86° | 61° | 73° | — | — |
| 2008 | 93° | 71° | 82° | — | — |
| 2007 | 92° | 72° | 82° | — | — |
| 2006 | 85° | 72° | 78° | 0.03" | — |
| 2005 | 87° | 66° | 77° | — | — |
| 2004 | 87° | 72° | 79° | — | — |
| 2003 | 90° | 72° | 81° | — | — |
| 2002 | 87° | 67° | 77° | — | — |
| 2001 | 77° | 70° | 73° | 1.88" | — |
| 2000 | 88° | 71° | 79° | 1.27" | — |
| 1999 | 90° | 62° | 76° | — | — |
| 1998 | 93° | 68° | 81° | — | — |
| 1997 | 92° | 68° | 80° | — | — |
| 1996 | 85° | 66° | 75° | 0.56" | — |
| 1995 | 92° | 73° | 82° | 0.08" | — |
| 1994 | 92° | 71° | 81° | 0.25" | — |
| 1993warmest | 99° | 71° | 85° | — | — |
| 1992 | 86° | 59° | 73° | — | — |
| 1991 | 91° | 68° | 80° | — | — |
| 1990 | 87° | 68° | 78° | — | — |
| 1989 | 91° | 71° | 81° | — | — |
| 1988 | 82° | 65° | 73° | — | — |
| 1987 | 79° | 65° | 72° | — | — |
| 1986coldest | 68° | 60° | 64° | 1.68" | — |
| 1985 | 84° | 67° | 75° | — | — |
| 1984 | 89° | 63° | 76° | — | — |
| 1983 | 89° | 69° | 79° | 0.08" | — |
| 1982 | 86° | 71° | 79° | 0.03" | — |
| 1981 | 88° | 68° | 78° | — | — |
| 1980 | 90° | 67° | 78° | — | — |
| 1979 | 87° | 68° | 78° | — | — |
| 1978 | 81° | 71° | 76° | — | — |
| 1977 | 93° | 72° | 82° | — | — |
| 1976 | 83° | 62° | 72° | — | — |
| 1975 | 88° | 70° | 79° | 3.3" | — |
| 1974 | 81° | 68° | 74° | — | — |
| 1973 | 91° | 70° | 80° | 0.28" | — |
| 1972 | 83° | 59° | 71° | — | — |
| 1971 | 86° | 70° | 78° | 0.08" | — |