King of Prussia Pennsylvania Climate Data

Monthly Average Climate Data for King of Prussia Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.9 °C4.4 °C87.63 mm
February-4.2 °C5.9 °C73.66 mm
March-0.3 °C10.7 °C105.92 mm
April5.3 °C17.6 °C95 mm
May10.8 °C22.9 °C101.35 mm
June16.2 °C27.9 °C111.51 mm
July19.1 °C30.4 °C115.57 mm
August18.2 °C29.5 °C117.09 mm
September14.1 °C25.9 °C114.3 mm
October7.4 °C19.1 °C102.36 mm
November1.9 °C12.8 °C82.04 mm
December-2 °C7.2 °C110.49 mm
Annual6.8 °C17.9 °C1216.92 mm

Climate Data for King of Prussia Pennsylvania

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation