Barnwell South Carolina Climate Data

Monthly Average Climate Data for Barnwell South Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January1.9 °C14.8 °C99.57 mm
February3.4 °C16.8 °C94.23 mm
March6.6 °C20.8 °C101.35 mm
April10.9 °C25 °C79.5 mm
May15.7 °C28.9 °C89.15 mm
June19.9 °C32.1 °C144.27 mm
July21.8 °C33.7 °C135.89 mm
August21.3 °C32.4 °C141.73 mm
September18.4 °C29.9 °C107.19 mm
October12.1 °C25.4 °C81.79 mm
November6.2 °C20.1 °C71.63 mm
December3.2 °C15.8 °C96.52 mm
Annual11.8 °C24.6 °C1242.82 mm

Climate Data for Barnwell South Carolina

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost30-40 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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