Sumter South Carolina Climate Data

Monthly Average Climate Data for Sumter South Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.3 °C13.8 °C94.49 mm
February2.4 °C15.7 °C89.41 mm
March5.8 °C19.9 °C92.71 mm
April10.4 °C24.7 °C82.8 mm
May15.4 °C28.3 °C92.46 mm
June19.9 °C31.5 °C134.62 mm
July21.8 °C33.1 °C136.4 mm
August21.1 °C32.2 °C127.51 mm
September18 °C29.4 °C107.7 mm
October11.6 °C24.6 °C96.01 mm
November5.4 °C19.3 °C70.61 mm
December2.6 °C15.2 °C91.69 mm
Annual11.3 °C24 °C1216.41 mm

Climate Data for Sumter South Carolina

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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