Exton Pennsylvania Climate Data

Monthly Average Climate Data for Exton Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.9 °F39.4 °F3.57 in.
February22.8 °F41.8 °F2.93 in.
March30.1 °F50.5 °F4.24 in.
April40.5 °F63.0 °F3.8 in.
May50.3 °F72.5 °F3.94 in.
June59.7 °F81.3 °F4.52 in.
July65.0 °F85.6 °F4.66 in.
August63.3 °F84.2 °F4.37 in.
September55.8 °F77.8 °F5.07 in.
October44.1 °F65.7 °F4.41 in.
November34.2 °F54.1 °F3.33 in.
December27.3 °F43.9 °F4.33 in.
Annual42.9 °F63.3 °F49.17 in.

Climate Data for Exton 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com