Barnwell South Carolina Climate Data

Monthly Average Climate Data for Barnwell South Carolina

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January35.5 °F58.6 °F3.92 in.
February38.1 °F62.3 °F3.71 in.
March43.8 °F69.4 °F3.99 in.
April51.6 °F77.0 °F3.13 in.
May60.3 °F84.0 °F3.51 in.
June67.9 °F89.7 °F5.68 in.
July71.2 °F92.6 °F5.35 in.
August70.4 °F90.3 °F5.58 in.
September65.1 °F85.9 °F4.22 in.
October53.7 °F77.7 °F3.22 in.
November43.1 °F68.1 °F2.82 in.
December37.7 °F60.5 °F3.8 in.
Annual53.2 °F76.3 °F48.93 in.

Climate Data for Barnwell South Carolina

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate