Swannanoa North Carolina Climate Data

Monthly Average Climate Data for Swannanoa North Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.1 °C8.7 °C99.57 mm
February-1.8 °C10.6 °C83.06 mm
March1.6 °C14.7 °C104.39 mm
April5.8 °C20 °C105.66 mm
May10.5 °C23.9 °C109.73 mm
June15 °C27.4 °C114.3 mm
July16.9 °C29.1 °C116.33 mm
August16.4 °C28.4 °C108.97 mm
September13 °C25.5 °C113.54 mm
October6.8 °C20.5 °C79.5 mm
November1.1 °C14.9 °C85.6 mm
December-1.4 °C10.3 °C99.57 mm
Annual6.7 °C19.5 °C1220.22 mm

Climate Data for Swannanoa North Carolina

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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