Stonerstown Pennsylvania Climate Data

Monthly Average Climate Data for Stonerstown Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.4 °F37.4 °F2.88 in.
February20.6 °F40.7 °F2.32 in.
March27.2 °F49.3 °F3.49 in.
April37.0 °F62.5 °F3.58 in.
May47.3 °F72.4 °F3.98 in.
June56.2 °F80.4 °F3.68 in.
July60.6 °F84.9 °F3.92 in.
August58.9 °F83.3 °F3.42 in.
September51.7 °F76.4 °F3.92 in.
October40.1 °F64.7 °F3.29 in.
November30.7 °F52.6 °F3.12 in.
December24.3 °F41.5 °F3.17 in.
Annual39.5 °F62.2 °F40.77 in.

Climate Data for Stonerstown Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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