Kiawah Island South Carolina Climate Data

Monthly Average Climate Data for Kiawah Island South Carolina

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January41.7 °F58.6 °F3.42 in.
February43.4 °F61.1 °F3.33 in.
March49.8 °F67.0 °F3.45 in.
April57.6 °F73.8 °F3.13 in.
May66.5 °F80.7 °F3.09 in.
June73.1 °F85.9 °F5.44 in.
July76.0 °F89.1 °F6.15 in.
August75.1 °F87.8 °F6.97 in.
September71.3 °F84.0 °F5.63 in.
October61.1 °F76.7 °F4.58 in.
November50.7 °F68.1 °F2.88 in.
December44.5 °F61.4 °F3.69 in.
Annual59.2 °F74.5 °F51.76 in.

Climate Data for Kiawah Island South Carolina

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost10-20 Days
Plant Hardiness Zone - 2023Zone 9a : 20°F to 25°F
Plant Hardiness Zone - 2012Zone 8b : 15°F to 20°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate