Berwyn Pennsylvania Climate Data

Monthly Average Climate Data for Berwyn Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.1 °F38.5 °F3.46 in.
February22.3 °F41.2 °F2.9 in.
March29.9 °F49.8 °F4.14 in.
April40.5 °F61.9 °F3.74 in.
May50.1 °F71.5 °F3.92 in.
June59.6 °F80.6 °F4.45 in.
July64.6 °F84.9 °F4.63 in.
August63.1 °F83.4 °F4.48 in.
September55.5 °F76.9 °F4.66 in.
October44.5 °F64.6 °F4.07 in.
November34.1 °F53.6 °F3.22 in.
December26.7 °F43.4 °F4.29 in.
Annual42.7 °F62.5 °F47.96 in.

Climate Data for Berwyn 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 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation