Orrstown Pennsylvania Climate Data

Monthly Average Climate Data for Orrstown Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.2 °F38.3 °F3.2 in.
February23.5 °F41.6 °F2.52 in.
March30.6 °F50.4 °F3.7 in.
April40.8 °F63.2 °F3.71 in.
May50.8 °F73.0 °F4.15 in.
June59.7 °F81.8 °F4.07 in.
July64.1 °F86.3 °F3.86 in.
August62.3 °F84.3 °F3.63 in.
September55.1 °F77.3 °F4.16 in.
October43.8 °F65.4 °F3.57 in.
November34.2 °F53.5 °F2.99 in.
December26.7 °F42.3 °F3.39 in.
Annual42.8 °F63.1 °F42.95 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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