Plymouth Pennsylvania Climate Data

Monthly Average Climate Data for Plymouth Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.0 °F35.9 °F2.72 in.
February20.0 °F38.8 °F2.43 in.
March27.6 °F47.4 °F2.84 in.
April37.9 °F60.8 °F3.6 in.
May48.3 °F72.3 °F3.68 in.
June57.5 °F80.3 °F4.61 in.
July61.8 °F85.3 °F4.4 in.
August60.2 °F83.2 °F3.94 in.
September53.0 °F76.2 °F4.71 in.
October41.7 °F63.7 °F4.27 in.
November32.7 °F51.9 °F2.94 in.
December25.2 °F41.2 °F3.18 in.
Annual40.4 °F61.4 °F43.32 in.

Climate Data for Plymouth Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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