Weather on August 31
Charleston, SC
55 Years of Data
Avg High
85°F
Avg Low
75°F
Warmest
1998
86°F avg
Coldest
1986
70°F avg
About This Date
August 31st in Charleston, SC typically brings warm summer weather, with average highs around 85°F and lows near 75°F. Over 55 years of records, the warmest August 31st was in 1998 (86°F average), while the coldest was 1986 (70°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 40% of August 31st dates historically, with the wettest August 31st recording 7.19" 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 Charleston, SC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 64° | 70° | — | — |
| 2024 | 87° | 79° | 83° | — | — |
| 2023 | 86° | 73° | 80° | 0.08" | — |
| 2022 | 87° | 79° | 83° | 0.05" | — |
| 2021 | 88° | 80° | 84° | 0.05" | — |
| 2020 | 89° | 80° | 85° | 0.18" | — |
| 2019 | 82° | 78° | 80° | 0.13" | — |
| 2018 | 88° | 77° | 82° | — | — |
| 2017 | 85° | 76° | 80° | 0.18" | — |
| 2016 | 85° | 76° | 80° | 0.58" | — |
| 2015 | 89° | 75° | 82° | 3.94" | — |
| 2014 | 87° | 81° | 84° | — | — |
| 2013 | 86° | 75° | 81° | — | — |
| 2012 | 84° | 77° | 81° | — | — |
| 2011 | 83° | 75° | 79° | — | — |
| 2010 | 85° | 74° | 79° | — | — |
| 2009 | 82° | — | — | 3.99" | — |
| 2008 | 86° | 80° | 83° | — | — |
| 2007 | 84° | 76° | 80° | 1.19" | — |
| 2006 | 84° | 74° | 79° | 5.69" | — |
| 2005 | 89° | 79° | 84° | — | — |
| 2004 | 86° | 75° | 81° | 0.1" | — |
| 2003 | 86° | 81° | 83° | — | — |
| 2002 | 80° | 74° | 77° | 0.46" | — |
| 2001 | 93° | 78° | 86° | — | — |
| 2000 | 87° | 74° | 80° | — | — |
| 1999 | 80° | 66° | 73° | — | — |
| 1998warmest | 94° | 78° | 86° | 0.64" | — |
| 1997 | 85° | 77° | 81° | — | — |
| 1996 | 81° | 72° | 76° | — | — |
| 1995 | 82° | 73° | 78° | — | — |
| 1994 | 88° | 79° | 83° | — | — |
| 1993 | 88° | 77° | 82° | — | — |
| 1992 | 88° | 74° | 81° | — | — |
| 1991 | 92° | 75° | 83° | — | — |
| 1990 | 85° | 72° | 78° | 2.18" | — |
| 1989 | 86° | 75° | 81° | 0.23" | — |
| 1988 | 78° | 71° | 75° | 0.2" | — |
| 1987 | 84° | 71° | 78° | 7.19" | — |
| 1986coldest | 73° | 66° | 70° | 0.05" | — |
| 1985 | 86° | 71° | 79° | — | — |
| 1984 | 90° | 76° | 83° | — | — |
| 1983 | 86° | 73° | 80° | — | — |
| 1982 | 85° | 68° | 76° | — | — |
| 1981 | 85° | 72° | 78° | — | — |
| 1980 | 88° | 74° | 81° | — | — |
| 1979 | 88° | 74° | 81° | 0.2" | — |
| 1978 | 87° | 80° | 84° | — | — |
| 1977 | 88° | 77° | 82° | — | — |
| 1976 | 77° | 70° | 73° | — | — |
| 1975 | 90° | 75° | 82° | — | — |
| 1974 | 86° | 76° | 81° | 0.38" | — |
| 1973 | 87° | 78° | 83° | — | — |
| 1972 | 78° | 70° | 74° | 2.59" | — |
| 1971 | 85° | 76° | 80° | — | — |
55 years of data from DWTN CHARLESTON