Weather on August 11
Charleston, SC
55 Years of Data
Avg High
88°F
Avg Low
77°F
Warmest
2021
88°F avg
Coldest
1989
70°F avg
About This Date
August 11th in Charleston, SC typically brings warm summer weather, with average highs around 88°F and lows near 77°F. Over 55 years of records, the warmest August 11th was in 2021 (88°F average), while the coldest was 1989 (70°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 40% of August 11th dates historically, with the wettest August 11th recording 4.9" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for August 11th 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 | 82° | 75° | 79° | 3.02" | — |
| 2024 | 89° | 80° | 85° | — | — |
| 2023 | 91° | 79° | 85° | — | — |
| 2022 | 87° | 73° | 80° | 0.3" | — |
| 2021warmest | 93° | 82° | 88° | — | — |
| 2020 | 87° | 77° | 82° | 0.1" | — |
| 2019 | 90° | 79° | 84° | 0.48" | — |
| 2018 | 86° | 77° | 82° | 0.1" | — |
| 2017 | 84° | 78° | 81° | 0.53" | — |
| 2016 | 88° | 79° | 83° | 0.28" | — |
| 2015 | 86° | 80° | 83° | — | — |
| 2014 | 87° | 78° | 83° | 0.03" | — |
| 2013 | 93° | 80° | 87° | — | — |
| 2012 | 85° | 73° | 79° | 0.53" | — |
| 2011 | 90° | 80° | 85° | — | — |
| 2010 | 88° | 81° | 84° | — | — |
| 2009 | 91° | 79° | 85° | — | — |
| 2008 | 94° | 78° | 86° | — | — |
| 2007 | 91° | 77° | 84° | 1.32" | — |
| 2006 | 92° | 77° | 84° | — | — |
| 2005 | 85° | 78° | 81° | 1.02" | — |
| 2004 | 81° | 71° | 76° | 0.05" | — |
| 2003 | 83° | 75° | 79° | — | — |
| 2002 | 84° | 75° | 80° | — | — |
| 2001 | 92° | 78° | 85° | — | — |
| 2000 | 93° | 71° | 82° | 2.97" | — |
| 1999 | 94° | 81° | 87° | — | — |
| 1998 | 92° | 80° | 86° | — | — |
| 1997 | 83° | 73° | 78° | — | — |
| 1996 | 83° | 76° | 79° | 0.05" | — |
| 1995 | 87° | 76° | 81° | — | — |
| 1994 | 85° | 73° | 79° | 4.9" | — |
| 1993 | 83° | 73° | 78° | — | — |
| 1992 | 89° | 80° | 85° | — | — |
| 1991 | 87° | 76° | 81° | 0.05" | — |
| 1990 | 86° | 77° | 82° | — | — |
| 1989coldest | 73° | 67° | 70° | — | — |
| 1988 | 84° | 80° | 82° | — | — |
| 1987 | 86° | 77° | 82° | — | — |
| 1986 | 89° | 80° | 85° | — | — |
| 1985 | 91° | 76° | 83° | — | — |
| 1984 | 92° | 74° | 83° | 2.31" | — |
| 1983 | 93° | 80° | 87° | — | — |
| 1982 | 91° | 77° | 84° | — | — |
| 1981 | 91° | 77° | 84° | — | — |
| 1980 | 92° | 82° | 87° | — | — |
| 1979 | 90° | 75° | 82° | — | — |
| 1978 | 86° | 75° | 81° | 0.38" | — |
| 1977 | 93° | 79° | 86° | — | — |
| 1976 | 85° | 76° | 80° | 1.07" | — |
| 1975 | 84° | 73° | 79° | — | — |
| 1974 | 79° | 72° | 75° | 0.18" | — |
| 1973 | 87° | 76° | 81° | 0.84" | — |
| 1972 | 82° | 74° | 78° | 0.66" | — |
| 1971 | 87° | 78° | 83° | — | — |
55 years of data from DWTN CHARLESTON