Plains Pennsylvania Climate Data

Monthly Average Climate Data for Plains Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.6 °F35.5 °F2.61 in.
February19.7 °F38.4 °F2.4 in.
March27.1 °F47.0 °F2.69 in.
April37.6 °F60.2 °F3.59 in.
May48.0 °F71.6 °F3.57 in.
June56.9 °F79.6 °F4.59 in.
July61.4 °F84.5 °F4.38 in.
August59.7 °F82.4 °F3.85 in.
September52.5 °F75.5 °F4.63 in.
October41.6 °F62.9 °F4.26 in.
November32.6 °F51.3 °F2.88 in.
December24.7 °F40.5 °F3.11 in.
Annual40 °F60.8 °F42.56 in.

Climate Data for Plains Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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