Lancaster Pennsylvania Climate Data

Monthly Average Climate Data for Lancaster Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.7 °F39.0 °F3.19 in.
February23.7 °F41.6 °F2.56 in.
March31.0 °F50.5 °F3.74 in.
April41.0 °F63.4 °F3.6 in.
May51.3 °F72.8 °F3.81 in.
June60.9 °F81.4 °F4.3 in.
July65.4 °F85.6 °F4.35 in.
August63.7 °F83.9 °F3.86 in.
September56.6 °F77.3 °F4.76 in.
October45.0 °F65.6 °F4.34 in.
November34.9 °F54.1 °F3.16 in.
December27.6 °F43.5 °F3.59 in.
Annual43.7 °F63.2 °F45.26 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation