Seneca Pennsylvania Climate Data

Monthly Average Climate Data for Seneca Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.3 °C0.3 °C83.57 mm
February-7.9 °C1.9 °C61.21 mm
March-4 °C6.9 °C90.68 mm
April2.1 °C14.3 °C103.12 mm
May7.8 °C20.6 °C103.12 mm
June12.6 °C24.8 °C136.4 mm
July14.8 °C27.1 °C129.54 mm
August14.1 °C26.3 °C108.2 mm
September10.4 °C22.6 °C105.92 mm
October4.6 °C15.8 °C91.44 mm
November-0.6 °C8.9 °C87.88 mm
December-4.8 °C2.8 °C90.17 mm
Annual3.4 °C14.4 °C1191.25 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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