What is the highest temperature ever recorded in Charleston, SC?

The record high temperature in Charleston, SC is 105°F, recorded on August 1, 1999.

What is the lowest temperature ever recorded in Charleston, SC?

The record low temperature in Charleston, SC is 4°F, recorded on February 12, 1973.

Historical Weather in Charleston, SC

Name: Charleston, SC Temperature Records
Creator: NOAA

See 55+ years of weather history for any date in Charleston going back to 1970.

Part of South Carolina weather history · South Carolina temperature records

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Today in Charleston Weather HistorySee records, averages, and 55+ years of data for today's date

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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°

💧 10.5"

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, SC Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

Avg high Avg low

Charleston, SC Monthly Precipitation

Average rainfall and snowfall per month, in inches.

Rain (in) Snow (in)

Charleston, SC Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

Cooler

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Best Time to Visit Charleston, SC

Charleston, SC has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

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)