Orrstown Pennsylvania Climate Data

Monthly Average Climate Data for Orrstown Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.4 °C3.5 °C81.28 mm
February-4.7 °C5.3 °C64.01 mm
March-0.8 °C10.2 °C93.98 mm
April4.9 °C17.3 °C94.23 mm
May10.4 °C22.8 °C105.41 mm
June15.4 °C27.7 °C103.38 mm
July17.8 °C30.2 °C98.04 mm
August16.8 °C29.1 °C92.2 mm
September12.8 °C25.2 °C105.66 mm
October6.6 °C18.6 °C90.68 mm
November1.2 °C11.9 °C75.95 mm
December-2.9 °C5.7 °C86.11 mm
Annual6 °C17.3 °C1090.93 mm

Climate Data for Orrstown 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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