Pennwyn Pennsylvania Climate Data

Monthly Average Climate Data for Pennwyn Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.3 °F38.4 °F3.61 in.
February23.4 °F40.9 °F2.87 in.
March31.0 °F49.7 °F4.14 in.
April41.2 °F62.4 °F3.9 in.
May51.2 °F71.9 °F3.95 in.
June60.5 °F80.9 °F5.0 in.
July65.4 °F85.3 °F5.09 in.
August63.6 °F83.5 °F4.39 in.
September56.4 °F77.1 °F5.16 in.
October45.0 °F65.1 °F4.55 in.
November35.2 °F53.5 °F3.45 in.
December27.7 °F43.1 °F4.13 in.
Annual43.6 °F62.7 °F50.24 in.

Climate Data for Pennwyn Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
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 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation