Port Royal Pennsylvania Climate Data

Monthly Average Climate Data for Port Royal Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.2 °C2.8 °C77.47 mm
February-5.6 °C4.7 °C60.71 mm
March-1.7 °C9.7 °C88.39 mm
April3.9 °C17.1 °C92.71 mm
May9.7 °C22.6 °C104.14 mm
June14.8 °C27.2 °C102.62 mm
July17.2 °C29.8 °C101.35 mm
August16.3 °C28.7 °C100.58 mm
September12.3 °C24.8 °C113.28 mm
October5.9 °C18.2 °C99.57 mm
November0.6 °C11.6 °C77.98 mm
December-3.3 °C5.3 °C85.34 mm
Annual5.3 °C16.9 °C1104.14 mm

Climate Data for Port Royal Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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