Horsham Pennsylvania Climate Data

Monthly Average Climate Data for Horsham Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.8 °F40.1 °F3.46 in.
February25.4 °F42.8 °F2.68 in.
March32.3 °F51.0 °F4.15 in.
April42.5 °F63.0 °F3.77 in.
May52.3 °F72.6 °F4.18 in.
June61.6 °F81.7 °F4.43 in.
July67.0 °F86.3 °F4.83 in.
August65.3 °F84.6 °F4.94 in.
September58.1 °F78.1 °F4.35 in.
October46.3 °F66.0 °F4.03 in.
November36.3 °F55.0 °F3.29 in.
December29.0 °F45.0 °F4.32 in.
Annual45 °F63.9 °F48.43 in.

Climate Data for Horsham Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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