Duncannon Pennsylvania Climate Data

Monthly Average Climate Data for Duncannon Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.5 °F37.4 °F3.2 in.
February22.6 °F40.4 °F2.6 in.
March30.1 °F49.5 °F3.73 in.
April40.4 °F62.5 °F3.7 in.
May50.5 °F72.2 °F4.17 in.
June59.7 °F80.9 °F4.18 in.
July64.1 °F85.5 °F4.34 in.
August62.5 °F83.6 °F4.06 in.
September55.3 °F76.6 °F4.69 in.
October43.9 °F64.4 °F4.07 in.
November34.1 °F52.9 °F3.18 in.
December26.6 °F41.8 °F3.52 in.
Annual42.6 °F62.3 °F45.44 in.

Climate Data for Duncannon 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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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