Plymouth Pennsylvania Climate Data

Monthly Average Climate Data for Plymouth Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.2 °C2.2 °C69.09 mm
February-6.7 °C3.8 °C61.72 mm
March-2.4 °C8.6 °C72.14 mm
April3.3 °C16 °C91.44 mm
May9.1 °C22.4 °C93.47 mm
June14.2 °C26.8 °C117.09 mm
July16.6 °C29.6 °C111.76 mm
August15.7 °C28.4 °C100.08 mm
September11.7 °C24.6 °C119.63 mm
October5.4 °C17.6 °C108.46 mm
November0.4 °C11.1 °C74.68 mm
December-3.8 °C5.1 °C80.77 mm
Annual4.7 °C16.4 °C1100.33 mm

Climate Data for Plymouth Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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