Summerville South Carolina Climate Data

Monthly Average Climate Data for Summerville South Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.3 °C15.1 °C93.73 mm
February3.7 °C17.1 °C88.14 mm
March6.8 °C20.6 °C95.5 mm
April11.2 °C24.7 °C87.38 mm
May16.1 °C28.3 °C92.46 mm
June20.4 °C31.3 °C156.97 mm
July22.2 °C32.9 °C170.18 mm
August21.8 °C32 °C161.29 mm
September19.2 °C29.5 °C145.54 mm
October12.9 °C25.1 °C106.17 mm
November6.9 °C20.2 °C73.15 mm
December3.9 °C16.3 °C93.47 mm
Annual12.3 °C24.4 °C1363.98 mm

Climate Data for Summerville South Carolina

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8b : -9.4°C to -6.7°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate