Jermyn Pennsylvania Climate Data

Monthly Average Climate Data for Jermyn Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.4 °F33.6 °F3.02 in.
February17.4 °F36.3 °F2.41 in.
March25.1 °F44.6 °F3.15 in.
April35.5 °F58.7 °F3.78 in.
May46.0 °F70.0 °F3.88 in.
June55.2 °F78.1 °F4.93 in.
July59.5 °F82.6 °F4.31 in.
August57.9 °F80.8 °F3.92 in.
September50.8 °F73.9 °F4.19 in.
October39.5 °F61.6 °F4.24 in.
November30.9 °F49.4 °F2.98 in.
December23.0 °F38.6 °F3.42 in.
Annual38.1 °F59 °F44.23 in.

Climate Data for Jermyn Pennsylvania

Average First Frost DateOct. 1 - Oct. 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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