Lancaster Pennsylvania Climate Data

Monthly Average Climate Data for Lancaster Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.2 °C3.9 °C81.03 mm
February-4.6 °C5.3 °C65.02 mm
March-0.6 °C10.3 °C95 mm
April5 °C17.4 °C91.44 mm
May10.7 °C22.7 °C96.77 mm
June16.1 °C27.4 °C109.22 mm
July18.6 °C29.8 °C110.49 mm
August17.6 °C28.8 °C98.04 mm
September13.7 °C25.2 °C120.9 mm
October7.2 °C18.7 °C110.24 mm
November1.6 °C12.3 °C80.26 mm
December-2.4 °C6.4 °C91.19 mm
Annual6.5 °C17.4 °C1149.6 mm

Climate Data for Lancaster Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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