Weather on May 9
Charleston, SC
55 Years of Data
Avg High
78°F
Avg Low
66°F
Warmest
2003
81°F avg
Coldest
2022
62°F avg
About This Date
May 9th in Charleston, SC typically brings pleasant spring weather, with average highs around 78°F and lows near 66°F. Over 55 years of records, the warmest May 9th was in 2003 (81°F average), while the coldest was 2022 (62°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 9th dates historically, with the wettest May 9th recording 4.17" of rain. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for May 9th in Charleston, SC? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 66° | 72° | 0.23" | — |
| 2024 | 80° | 69° | 75° | 1.75" | — |
| 2023 | 85° | 69° | 77° | 1.93" | — |
| 2022coldest | 72° | 53° | 62° | — | — |
| 2021 | 78° | 66° | 72° | — | — |
| 2020 | 70° | 56° | 63° | — | — |
| 2019 | 75° | 69° | 72° | — | — |
| 2018 | 77° | 63° | 70° | — | — |
| 2017 | 86° | 64° | 75° | — | — |
| 2016 | 87° | 68° | 78° | — | — |
| 2015 | 80° | 69° | 75° | 0.43" | — |
| 2014 | 81° | 72° | 76° | — | — |
| 2013 | 81° | 65° | 73° | — | — |
| 2012 | 78° | 67° | 72° | 2.57" | — |
| 2011 | 74° | 71° | 72° | — | — |
| 2010 | 77° | 63° | 70° | — | — |
| 2009 | 85° | 73° | 79° | — | — |
| 2008 | 87° | 69° | 78° | — | — |
| 2007 | 74° | 66° | 70° | 0.69" | — |
| 2006 | 67° | 59° | 63° | — | — |
| 2005 | 87° | 66° | 77° | — | — |
| 2004 | 76° | 70° | 73° | — | — |
| 2003warmest | 89° | 74° | 81° | — | — |
| 2002 | 80° | 74° | 77° | — | — |
| 2001 | 76° | 60° | 68° | — | — |
| 2000 | 78° | 69° | 74° | — | — |
| 1999 | 84° | 66° | 75° | — | — |
| 1998 | 86° | 69° | 78° | — | — |
| 1997 | 79° | 67° | 73° | 1.22" | — |
| 1996 | 83° | 70° | 76° | — | — |
| 1995 | 78° | 71° | 75° | — | — |
| 1994 | 72° | 59° | 65° | — | — |
| 1993 | 76° | 68° | 72° | — | — |
| 1992 | 75° | 62° | 69° | — | — |
| 1991 | 79° | 70° | 74° | — | — |
| 1990 | 75° | 71° | 73° | — | — |
| 1989 | 72° | 63° | 67° | 0.1" | — |
| 1988 | 74° | 67° | 70° | — | — |
| 1987 | 71° | 59° | 65° | — | — |
| 1986 | 73° | 65° | 69° | — | — |
| 1985 | 78° | 60° | 69° | 0.08" | — |
| 1984 | 73° | 56° | 64° | — | — |
| 1983 | 68° | 61° | 64° | — | — |
| 1982 | 78° | 65° | 71° | — | — |
| 1981 | 68° | 62° | 65° | 0.05" | — |
| 1980 | 67° | 59° | 63° | 0.03" | — |
| 1979 | 69° | 66° | 68° | 4.17" | — |
| 1978 | 76° | 70° | 73° | 1.22" | — |
| 1977 | 78° | 61° | 69° | — | — |
| 1976 | 73° | 53° | 63° | — | — |
| 1975 | 74° | 66° | 70° | — | — |
| 1974 | 81° | 68° | 74° | — | — |
| 1973 | 82° | 69° | 76° | — | — |
| 1972 | 86° | 67° | 76° | — | — |
| 1971 | 83° | 64° | 73° | — | — |
55 years of data from DWTN CHARLESTON