Pennwyn Pennsylvania Climate Data

Monthly Average Climate Data for Pennwyn Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.4 °C3.6 °C91.69 mm
February-4.8 °C4.9 °C72.9 mm
March-0.6 °C9.8 °C105.16 mm
April5.1 °C16.9 °C99.06 mm
May10.7 °C22.2 °C100.33 mm
June15.8 °C27.2 °C127 mm
July18.6 °C29.6 °C129.29 mm
August17.6 °C28.6 °C111.51 mm
September13.6 °C25.1 °C131.06 mm
October7.2 °C18.4 °C115.57 mm
November1.8 °C11.9 °C87.63 mm
December-2.4 °C6.2 °C104.9 mm
Annual6.4 °C17 °C1276.1 mm

Climate Data for Pennwyn 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 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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