Seneca Pennsylvania Climate Data

Monthly Average Climate Data for Seneca Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.1 °F32.6 °F3.29 in.
February17.8 °F35.4 °F2.41 in.
March24.8 °F44.4 °F3.57 in.
April35.7 °F57.8 °F4.06 in.
May46.1 °F69.1 °F4.06 in.
June54.7 °F76.7 °F5.37 in.
July58.7 °F80.7 °F5.1 in.
August57.3 °F79.3 °F4.26 in.
September50.8 °F72.6 °F4.17 in.
October40.3 °F60.4 °F3.6 in.
November30.9 °F48.1 °F3.46 in.
December23.4 °F37.0 °F3.55 in.
Annual38.1 °F57.8 °F46.9 in.

Climate Data for Seneca Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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