Jefferson South Carolina Climate Data

Monthly Average Climate Data for Jefferson South Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January0.1 °C12.4 °C100.58 mm
February1.3 °C14.4 °C84.58 mm
March4.9 °C18.7 °C98.04 mm
April9.7 °C23.9 °C88.14 mm
May14.7 °C27.7 °C83.31 mm
June19.1 °C31.4 °C111 mm
July21.2 °C33.1 °C114.3 mm
August20.6 °C32.1 °C115.06 mm
September17.3 °C29.1 °C110.49 mm
October10.6 °C23.9 °C87.88 mm
November4.7 °C18.3 °C84.84 mm
December1.7 °C13.9 °C99.06 mm
Annual10.5 °C23.2 °C1177.28 mm

Climate Data for Jefferson South Carolina

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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