Weather on May 17
Charleston, SC
55 Years of Data
Avg High
80°F
Avg Low
68°F
Warmest
1990
82°F avg
Coldest
1984
64°F avg
About This Date
May 17th in Charleston, SC typically brings warm spring weather, with average highs around 80°F and lows near 68°F. Over 55 years of records, the warmest May 17th was in 1990 (82°F average), while the coldest was 1984 (64°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 17th dates historically, with the wettest May 17th recording 4.39" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 17th in Charleston, SC? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 77° | 82° | — | — |
| 2024 | 80° | 73° | 77° | — | — |
| 2023 | 88° | 67° | 77° | 4.39" | — |
| 2022 | 80° | 72° | 76° | 0.08" | — |
| 2021 | 78° | 65° | 71° | — | — |
| 2020 | 79° | 70° | 74° | — | — |
| 2019 | 82° | 73° | 78° | — | — |
| 2018 | 79° | 71° | 75° | 0.36" | — |
| 2017 | 80° | 73° | 77° | — | — |
| 2016 | 77° | 70° | 73° | 2.08" | — |
| 2015 | 83° | 71° | 77° | — | — |
| 2014 | 78° | 59° | 69° | — | — |
| 2013 | 82° | 69° | 76° | — | — |
| 2012 | 76° | 66° | 71° | 3.33" | — |
| 2011 | 73° | 59° | 66° | — | — |
| 2010 | 78° | 73° | 76° | 0.76" | — |
| 2009 | 79° | 60° | 69° | 1.8" | — |
| 2008 | 74° | 63° | 68° | — | — |
| 2007 | 75° | 66° | 71° | 1.04" | — |
| 2006 | 77° | 60° | 69° | — | — |
| 2005 | 78° | 67° | 72° | 1.04" | — |
| 2004 | 78° | 74° | 76° | — | — |
| 2003 | 76° | 72° | 74° | 0.05" | — |
| 2002 | 79° | 72° | 75° | — | — |
| 2001 | 79° | 71° | 75° | 0.15" | — |
| 2000 | 79° | 64° | 71° | — | — |
| 1999 | 79° | 62° | 70° | — | — |
| 1998 | 84° | 75° | 80° | — | — |
| 1997 | 81° | 62° | 71° | — | — |
| 1996 | 85° | 70° | 77° | — | — |
| 1995 | 82° | 75° | 79° | — | — |
| 1994 | 78° | 68° | 73° | — | — |
| 1993 | 87° | 70° | 78° | — | — |
| 1992 | 76° | 68° | 72° | — | — |
| 1991 | 84° | 74° | 79° | — | — |
| 1990warmest | 89° | 75° | 82° | — | — |
| 1989 | 82° | 61° | 71° | — | — |
| 1988 | 83° | 67° | 75° | 0.41" | — |
| 1987 | 77° | 69° | 73° | — | — |
| 1986 | 76° | 69° | 72° | — | — |
| 1985 | 82° | 67° | 74° | — | — |
| 1984coldest | 74° | 54° | 64° | — | — |
| 1983 | 72° | 62° | 67° | — | — |
| 1982 | 83° | 69° | 76° | — | — |
| 1981 | 75° | 65° | 70° | — | — |
| 1980 | 74° | 70° | 72° | 1.85" | — |
| 1979 | 75° | 62° | 69° | — | — |
| 1978 | 77° | 65° | 71° | 0.69" | — |
| 1977 | 87° | 69° | 78° | — | — |
| 1976 | 84° | 72° | 78° | — | — |
| 1975 | 84° | 69° | 77° | 0.28" | — |
| 1974 | 84° | 70° | 77° | — | — |
| 1973 | 78° | 60° | 69° | — | — |
| 1972 | 82° | 67° | 74° | — | — |
| 1971 | 85° | 65° | 75° | — | — |
55 years of data from DWTN CHARLESTON