Summerville South Carolina Climate Data

Monthly Average Climate Data for Summerville South Carolina

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.2 °F59.2 °F3.69 in.
February38.6 °F62.7 °F3.47 in.
March44.3 °F69.1 °F3.76 in.
April52.2 °F76.4 °F3.44 in.
May60.9 °F82.9 °F3.64 in.
June68.8 °F88.4 °F6.18 in.
July72.0 °F91.2 °F6.7 in.
August71.3 °F89.6 °F6.35 in.
September66.5 °F85.1 °F5.73 in.
October55.3 °F77.2 °F4.18 in.
November44.5 °F68.3 °F2.88 in.
December39.0 °F61.4 °F3.68 in.
Annual54.1 °F76 °F53.7 in.

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 : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate