Historical Weather in Charleston, SC
See 55+ years of weather history for any date in Charleston going back to 1970.
Part of South Carolina weather history
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Today in Charleston Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Charleston, SC, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 89°F / Low: 76°F
Coldest MonthJanuaryAvg High: 58°F / Low: 41°F
Jan
58°/ 41°
💧 8.5"
❄️ 0.4"
Feb
61°/ 44°
💧 8.9"
❄️ 2.2"
Mar
67°/ 50°
💧 10.7"
❄️ 1.3"
Apr
74°/ 58°
💧 9.9"
May
80°/ 66°
💧 10.6"
Jun
86°/ 73°
💧 11.9"
Jul
89°/ 76°
💧 12.1"
Aug
88°/ 75°
💧 14.6"
Sep
84°/ 71°
💧 14.4"
Oct
76°/ 61°
💧 12.5"
Nov
68°/ 52°
💧 8.6"
Dec
61°/ 45°
💧 9.0"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Charleston Temperature Records
- Record High: The hottest temperature ever recorded in Charleston, SC is 105°F, set on August 1, 1999.
- Record Low: The coldest temperature ever recorded in Charleston, SC is 4°F, set on February 12, 1973.
- Data Coverage: Based on 57 years of data from NOAA weather station: DWTN CHARLESTON.
All-Time Record High
105°F
August 1, 1999
All-Time Record Low
4°F
February 12, 1973
Monthly Temperature Records in Charleston
| Month | Record High | Record Low |
|---|---|---|
| January | 83°F(2002) | 5°F(1985) |
| February | 88°F(2022) | 4°F(1973) |
| March | 92°F(2017) | 15°F(1980) |
| April | 96°F(1990) | 23°F(2009) |
| May | 102°F(2019) | 36°F(1971) |
| June | 105°F(2011) | 47°F(1998) |
| July | 104°F(1986) | 56°F(1972) |
| August | 105°F(1999) | 55°F(2010) |
| September | 99°F(2010) | 42°F(1999) |
| October | 97°F(2019) | 22°F(2008) |
| November | 89°F(1989) | 12°F(1970) |
| December | 87°F(2008) | 9°F(1983) |
Charleston Snow RecordsSee the top 10 snowiest days ever recorded
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