Devon Pennsylvania Climate Data

Monthly Average Climate Data for Devon Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.2 °F38.5 °F3.46 in.
February22.4 °F41.2 °F2.9 in.
March29.9 °F49.7 °F4.16 in.
April40.6 °F61.9 °F3.74 in.
May50.1 °F71.5 °F3.96 in.
June59.7 °F80.5 °F4.43 in.
July64.6 °F84.9 °F4.6 in.
August63.2 °F83.3 °F4.54 in.
September55.5 °F76.9 °F4.6 in.
October44.7 °F64.5 °F4.05 in.
November34.3 °F53.5 °F3.22 in.
December26.8 °F43.4 °F4.31 in.
Annual42.8 °F62.5 °F47.97 in.

Climate Data for Devon 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