Jefferson Hills Pennsylvania Climate Data

Monthly Average Climate Data for Jefferson Hills Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.9 °C2.9 °C80.01 mm
February-5.3 °C4.3 °C64.77 mm
March-1.3 °C9.5 °C83.57 mm
April4.3 °C16.9 °C85.34 mm
May10.1 °C22.2 °C104.14 mm
June14.9 °C26.6 °C113.03 mm
July17.3 °C28.7 °C111.25 mm
August16.4 °C28 °C90.17 mm
September12.6 °C24.5 °C89.15 mm
October6.3 °C17.8 °C76.71 mm
November0.9 °C11 °C76.71 mm
December-3.1 °C5.3 °C79.5 mm
Annual5.6 °C16.5 °C1054.35 mm

Climate Data for Jefferson Hills Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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