Langhorne Pennsylvania Climate Data

Monthly Average Climate Data for Langhorne Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.3 °C4.7 °C89.92 mm
February-3.6 °C6.2 °C71.37 mm
March0.3 °C10.6 °C111.76 mm
April5.9 °C17.3 °C93.22 mm
May11.4 °C22.6 °C107.44 mm
June16.7 °C27.6 °C111 mm
July19.6 °C30.2 °C122.68 mm
August18.6 °C29.3 °C126.75 mm
September14.6 °C25.7 °C106.68 mm
October8.1 °C19 °C101.85 mm
November2.6 °C12.9 °C83.82 mm
December-1.6 °C7.3 °C112.52 mm
Annual7.4 °C17.8 °C1239.01 mm

Climate Data for Langhorne 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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com