Atlantic Pennsylvania Climate Data

Monthly Average Climate Data for Atlantic Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.5 °F33.3 °F3.23 in.
February17.8 °F35.8 °F2.32 in.
March25.4 °F44.9 °F3.09 in.
April36.3 °F58.6 °F4.05 in.
May46.9 °F69.5 °F4.03 in.
June55.7 °F77.5 °F4.8 in.
July59.8 °F81.2 °F4.63 in.
August58.0 °F79.7 °F3.94 in.
September51.6 °F73.7 °F4.3 in.
October41.2 °F61.5 °F3.73 in.
November32.1 °F48.8 °F3.28 in.
December24.0 °F38.0 °F3.34 in.
Annual38.9 °F58.5 °F44.74 in.

Climate Data for Atlantic Pennsylvania

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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