Port Royal Pennsylvania Climate Data

Monthly Average Climate Data for Port Royal Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.9 °F37.1 °F3.05 in.
February22.0 °F40.5 °F2.39 in.
March29.0 °F49.5 °F3.48 in.
April39.0 °F62.8 °F3.65 in.
May49.4 °F72.6 °F4.1 in.
June58.7 °F81.0 °F4.04 in.
July63.0 °F85.6 °F3.99 in.
August61.4 °F83.7 °F3.96 in.
September54.1 °F76.7 °F4.46 in.
October42.7 °F64.7 °F3.92 in.
November33.1 °F52.8 °F3.07 in.
December26.0 °F41.5 °F3.36 in.
Annual41.6 °F62.4 °F43.47 in.

Climate Data for Port Royal 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
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