Jennerstown Pennsylvania Climate Data

Monthly Average Climate Data for Jennerstown Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.5 °C0.9 °C90.42 mm
February-7.5 °C2.3 °C74.42 mm
March-3.9 °C7.1 °C102.62 mm
April2.5 °C14.6 °C102.87 mm
May7.9 °C19.9 °C120.4 mm
June12.7 °C23.9 °C120.14 mm
July14.9 °C26.1 °C110.74 mm
August14 °C25.4 °C104.9 mm
September10 °C21.9 °C100.58 mm
October4.3 °C15.6 °C88.14 mm
November-1.1 °C9 °C87.12 mm
December-4.9 °C3.3 °C92.2 mm
Annual3.4 °C14.2 °C1194.55 mm

Climate Data for Jennerstown 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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