Rockhill Pennsylvania Climate Data

Monthly Average Climate Data for Rockhill Pennsylvania

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.2 °C3.3 °C70.87 mm
February-5.5 °C5.2 °C60.2 mm
March-1.6 °C10 °C87.88 mm
April3.8 °C17.3 °C91.69 mm
May9.4 °C22.7 °C105.16 mm
June14.4 °C27.4 °C99.06 mm
July16.9 °C29.9 °C90.68 mm
August16 °C28.9 °C89.41 mm
September11.9 °C25.1 °C99.31 mm
October5.6 °C18.4 °C88.39 mm
November0.4 °C11.8 °C75.95 mm
December-3.6 °C5.5 °C81.79 mm
Annual5.1 °C17.1 °C1040.39 mm

Climate Data for Rockhill 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 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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