Harpers Ferry West Virginia Climate Data

Monthly Average Climate Data for Harpers Ferry West Virginia

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.8 °C5.4 °C77.98 mm
February-4 °C7.3 °C60.96 mm
March-0.3 °C12 °C88.65 mm
April5.3 °C18.7 °C84.33 mm
May10.8 °C23.6 °C107.95 mm
June15.6 °C28.2 °C98.3 mm
July18 °C30.7 °C101.09 mm
August16.9 °C29.7 °C82.3 mm
September13.2 °C26 °C111.51 mm
October6.6 °C19.8 °C85.09 mm
November1.2 °C13.4 °C78.49 mm
December-2.7 °C7.6 °C84.33 mm
Annual6.3 °C18.5 °C1060.98 mm

Climate Data for Harpers Ferry West Virginia

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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