Harmonsburg Pennsylvania Climate Data

Monthly Average Climate Data for Harmonsburg Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.2 °C0.7 °C94.23 mm
February-8.1 °C2.1 °C65.28 mm
March-4 °C6.9 °C83.06 mm
April1.9 °C14.4 °C102.62 mm
May7.8 °C20.7 °C102.87 mm
June12.8 °C25.1 °C126.49 mm
July15.1 °C27.3 °C121.67 mm
August14.2 °C26.4 °C103.89 mm
September10.6 °C22.9 °C114.05 mm
October4.9 °C16.3 °C106.93 mm
November0 °C9.4 °C90.17 mm
December-4.5 °C3.3 °C97.03 mm
Annual3.5 °C14.6 °C1208.29 mm

Climate Data for Harmonsburg Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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