Winterstown Pennsylvania Climate Data

Monthly Average Climate Data for Winterstown Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.3 °F39.6 °F3.33 in.
February24.9 °F42.9 °F2.76 in.
March31.3 °F51.6 °F4.1 in.
April41.8 °F64.0 °F3.67 in.
May51.1 °F73.2 °F4.08 in.
June60.0 °F80.8 °F4.12 in.
July64.4 °F85.1 °F4.48 in.
August62.3 °F83.5 °F4.1 in.
September56.0 °F77.3 °F4.9 in.
October44.7 °F65.8 °F4.19 in.
November35.4 °F54.4 °F3.24 in.
December28.0 °F43.8 °F3.74 in.
Annual43.6 °F63.5 °F46.71 in.

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