Mount Pleasant, South Carolina Climate Data

Mount Pleasant, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.7 °C (low) to 23.6 °C (high). Annual precipitation averages 1320 Millimeters. Mount Pleasant is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 11 - Dec. 20.

Avg Annual High23.6 °C
Avg Annual Low14.7 °C
Annual Precipitation1320 mm
Hardiness ZoneZone 9a
Growing Season: Last frost around Feb. 21 - Feb. 29 — First frost around Dec. 11 - Dec. 20 — Approximately 10-20 Days frost days per year.

Monthly Average Climate Data for Mount Pleasant, South Carolina

Average monthly temperatures and precipitation Switch to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January4.9 °C14.8 °C86.61 mm
February5.8 °C16.2 °C81.53 mm
March9.4 °C19.5 °C82.04 mm
April13.8 °C23.1 °C80.77 mm
May18.7 °C26.8 °C77.22 mm
June22.4 °C29.8 °C139.95 mm
July24 °C31.6 °C167.64 mm
August23.6 °C30.9 °C175.77 mm
September21.4 °C28.8 °C150.37 mm
October15.8 °C24.7 °C117.86 mm
November9.9 °C20.1 °C72.64 mm
December6.5 °C16.3 °C87.63 mm
Annual14.7 °C23.6 °C1320.03 mm

Climate Zone Data for Mount Pleasant, South Carolina

Average First Frost DateDec. 11 - Dec. 20
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness ZoneZone 9a : -6.7°C to -3.9°C
Plant Hardiness Zone - 2012Zone 9a : -6.7°C to -3.9°C
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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