Weather on October 20
Charleston, SC
55 Years of Data
Avg High
74°F
Avg Low
60°F
Warmest
1999
77°F avg
Coldest
1972
49°F avg
About This Date
October 20th in Charleston, SC typically brings pleasant fall weather, with average highs around 74°F and lows near 60°F. Over 55 years of records, the warmest October 20th was in 1999 (77°F average), while the coldest was 1972 (49°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 16% of October 20th dates historically, with the wettest October 20th recording 2.21" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for October 20th in Charleston, SC? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 60° | 66° | — | — |
| 2024 | 74° | 56° | 65° | — | — |
| 2023 | 74° | 61° | 67° | 0.43" | — |
| 2022 | 66° | 52° | 59° | — | — |
| 2021 | 82° | 60° | 71° | — | — |
| 2020 | 78° | 69° | 74° | — | — |
| 2019 | 77° | 65° | 71° | 0.23" | — |
| 2018 | 84° | 68° | 76° | 0.69" | — |
| 2017 | 77° | 63° | 70° | — | — |
| 2016 | 80° | 69° | 75° | — | — |
| 2015 | 71° | 54° | 62° | — | — |
| 2014 | 76° | 60° | 68° | — | — |
| 2013 | 72° | 64° | 68° | — | — |
| 2012 | 76° | 59° | 67° | — | — |
| 2011 | 63° | 51° | 57° | — | — |
| 2010 | 80° | 64° | 72° | — | — |
| 2009 | 69° | 51° | 60° | — | — |
| 2008 | 66° | — | — | — | — |
| 2007 | 82° | 66° | 74° | — | — |
| 2006 | 85° | 68° | 76° | — | — |
| 2005 | 81° | 67° | 74° | — | — |
| 2004 | 78° | 69° | 74° | 0.03" | — |
| 2003 | 75° | 62° | 69° | — | — |
| 2002 | 79° | 65° | 72° | — | — |
| 2001 | 78° | 64° | 71° | — | — |
| 2000 | 76° | 64° | 70° | — | — |
| 1999warmest | 83° | 71° | 77° | 2.08" | — |
| 1998 | 85° | 68° | 76° | — | — |
| 1997 | 75° | 55° | 65° | — | — |
| 1996 | 68° | 47° | 57° | — | — |
| 1995 | 77° | 67° | 72° | 1.12" | — |
| 1994 | 79° | 67° | 73° | 0.03" | — |
| 1993 | 81° | 68° | 74° | — | — |
| 1992 | 62° | 50° | 56° | — | — |
| 1991 | 70° | 62° | 66° | — | — |
| 1990 | 71° | 56° | 63° | — | — |
| 1989 | 56° | 42° | 49° | — | — |
| 1988 | 66° | 55° | 61° | — | — |
| 1987 | 77° | 63° | 70° | — | — |
| 1986 | 68° | 49° | 58° | — | — |
| 1985 | 81° | 71° | 76° | — | — |
| 1984 | 83° | 70° | 76° | — | — |
| 1983 | 72° | 61° | 66° | — | — |
| 1982 | 79° | 62° | 70° | — | — |
| 1981 | 66° | 54° | 60° | — | — |
| 1980 | 77° | 62° | 70° | — | — |
| 1979 | 81° | 68° | 74° | — | — |
| 1978 | 74° | 58° | 66° | — | — |
| 1977 | 68° | 50° | 59° | — | — |
| 1976 | 76° | 54° | 65° | 0.66" | — |
| 1975 | 70° | 52° | 61° | — | — |
| 1974 | 64° | 45° | 54° | — | — |
| 1973 | 77° | 60° | 69° | — | — |
| 1972coldest | 58° | 40° | 49° | — | — |
| 1971 | 72° | 65° | 68° | 2.21" | — |
55 years of data from DWTN CHARLESTON