Weather on June 30
Charleston, SC
55 Years of Data
Avg High
87°F
Avg Low
75°F
Warmest
1990
88°F avg
Coldest
1999
76°F avg
About This Date
June 30th in Charleston, SC typically brings warm summer weather, with average highs around 87°F and lows near 75°F. Over 55 years of records, the warmest June 30th was in 1990 (88°F average), while the coldest was 1999 (76°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 35% of June 30th dates historically, with the wettest June 30th recording 4.11" 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 June 30th in Charleston, SC? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 80° | 84° | — | — |
| 2024 | 89° | 82° | 86° | — | — |
| 2023 | 86° | 79° | 82° | — | — |
| 2022 | 84° | 75° | 80° | — | — |
| 2021 | 86° | 81° | 83° | — | — |
| 2020 | 95° | 74° | 84° | 2.39" | — |
| 2019 | 90° | 77° | 83° | — | — |
| 2018 | 86° | 78° | 82° | — | — |
| 2017 | 83° | 73° | 78° | 1.85" | — |
| 2016 | 85° | 77° | 81° | — | — |
| 2015 | 88° | 75° | 81° | — | — |
| 2014 | 87° | 77° | 82° | — | — |
| 2013 | 83° | 74° | 78° | 2.23" | — |
| 2012 | 89° | 80° | 85° | — | — |
| 2011 | 86° | 74° | 80° | — | — |
| 2010 | 88° | 77° | 82° | 0.05" | — |
| 2009 | 91° | 74° | 82° | — | — |
| 2008 | 85° | 75° | 80° | — | — |
| 2007 | 85° | 76° | 80° | — | — |
| 2006 | 90° | 74° | 82° | — | — |
| 2005 | 85° | 76° | 80° | 0.05" | — |
| 2004 | 85° | 73° | 79° | 0.99" | — |
| 2003 | 87° | 74° | 80° | — | — |
| 2002 | 87° | 77° | 82° | — | — |
| 2001 | 88° | 77° | 82° | — | — |
| 2000 | 85° | 73° | 79° | — | — |
| 1999coldest | 81° | 72° | 76° | 1.63" | — |
| 1998 | 98° | 78° | 88° | 0.71" | — |
| 1997 | 84° | 72° | 78° | — | — |
| 1996 | 87° | 74° | 80° | — | — |
| 1995 | 83° | 73° | 78° | — | — |
| 1994 | 81° | 75° | 78° | 4.11" | — |
| 1993 | 88° | 73° | 80° | 0.58" | — |
| 1992 | 84° | 78° | 81° | — | — |
| 1991 | 85° | 77° | 81° | — | — |
| 1990warmest | 98° | 79° | 88° | — | — |
| 1989 | 80° | 75° | 78° | — | — |
| 1988 | 89° | 73° | 81° | 0.97" | — |
| 1987 | 81° | 76° | 78° | 0.36" | — |
| 1986 | 91° | 78° | 85° | — | — |
| 1985 | 85° | 72° | 78° | 0.41" | — |
| 1984 | 84° | 71° | 78° | 0.1" | — |
| 1983 | 88° | 72° | 80° | 1.32" | — |
| 1982 | 92° | 74° | 83° | — | — |
| 1981 | 85° | 69° | 77° | 0.41" | — |
| 1980 | 94° | 76° | 85° | — | — |
| 1979 | 88° | 72° | 80° | — | — |
| 1978 | 94° | 80° | 87° | 0.05" | — |
| 1977 | 94° | 79° | 86° | — | — |
| 1976 | 87° | 72° | 79° | 0.46" | — |
| 1975 | 85° | 74° | 79° | 1.42" | — |
| 1974 | 88° | 73° | 80° | — | — |
| 1973 | 88° | 73° | 80° | — | — |
| 1972 | 91° | 72° | 81° | — | — |
| 1971 | 88° | 79° | 83° | — | — |
55 years of data from DWTN CHARLESTON