Weather on August 13
Chattanooga, TN
55 Years of Data
Avg High
89°F
Avg Low
69°F
Warmest
2010
89°F avg
Coldest
2004
65°F avg
About This Date
August 13th in Chattanooga, TN typically brings warm summer weather, with average highs around 89°F and lows near 69°F. Over 55 years of records, the warmest August 13th was in 2010 (89°F average), while the coldest was 2004 (65°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 13th dates historically, with the wettest August 13th recording 1.91" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for August 13th in Chattanooga, TN? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 72° | 75° | 0.64" | — |
| 2024 | 92° | 71° | 81° | — | — |
| 2023 | 94° | 70° | 82° | 0.18" | — |
| 2022 | 84° | 70° | 77° | — | — |
| 2021 | 91° | 73° | 82° | — | — |
| 2020 | 93° | 72° | 82° | 0.25" | — |
| 2019 | 100° | 75° | 88° | 1.83" | — |
| 2018 | 88° | 68° | 78° | — | — |
| 2017 | 89° | 72° | 80° | — | — |
| 2016 | 93° | 76° | 84° | — | — |
| 2015 | 90° | 66° | 78° | — | — |
| 2014 | 83° | 64° | 73° | — | — |
| 2013 | 87° | 73° | 80° | 0.48" | — |
| 2012 | 83° | 62° | 72° | 1.5" | — |
| 2011 | 96° | 71° | 84° | — | — |
| 2010warmest | 101° | 77° | 89° | — | — |
| 2009 | 91° | 68° | 80° | — | — |
| 2008 | 89° | 65° | 77° | — | — |
| 2007 | 99° | 73° | 86° | — | — |
| 2006 | 85° | 68° | 76° | — | — |
| 2005 | 89° | 71° | 80° | 1.7" | — |
| 2004coldest | 75° | 56° | 65° | — | — |
| 2003 | 87° | 70° | 78° | 1.3" | — |
| 2002 | 96° | 64° | 80° | — | — |
| 2001 | 85° | 72° | 78° | 0.79" | — |
| 2000 | 86° | 61° | 73° | — | — |
| 1999 | 101° | 75° | 88° | — | — |
| 1998 | 87° | 70° | 78° | 0.53" | — |
| 1997 | 84° | 72° | 78° | 0.91" | — |
| 1996 | 80° | 69° | 75° | — | — |
| 1995 | 97° | 73° | 85° | — | — |
| 1994 | 89° | 68° | 79° | — | — |
| 1993 | 90° | 75° | 82° | 1.04" | — |
| 1992 | 81° | 68° | 74° | 0.3" | — |
| 1991 | 85° | 69° | 77° | 0.2" | — |
| 1990 | 91° | 67° | 79° | — | — |
| 1989 | 88° | 62° | 75° | — | — |
| 1988 | 94° | 70° | 82° | — | — |
| 1987 | 88° | 71° | 79° | — | — |
| 1986 | 92° | 69° | 80° | — | — |
| 1985 | 91° | 71° | 81° | — | — |
| 1984 | 87° | 67° | 77° | — | — |
| 1983 | 85° | 67° | 76° | — | — |
| 1982 | 81° | 62° | 71° | — | — |
| 1981 | 91° | 65° | 78° | — | — |
| 1980 | 98° | 71° | 85° | — | — |
| 1979 | 82° | 60° | 71° | — | — |
| 1978 | 84° | 68° | 76° | — | — |
| 1977 | 93° | 75° | 84° | 0.03" | — |
| 1976 | 90° | 67° | 78° | — | — |
| 1975 | 90° | 66° | 78° | — | — |
| 1974 | 85° | 66° | 75° | — | — |
| 1973 | 87° | 70° | 78° | 1.91" | — |
| 1972 | 85° | 65° | 75° | — | — |
| 1971 | 86° | 68° | 77° | — | — |
55 years of data from CHATTANOOGA AP