James City Pennsylvania Climate Data

Monthly Average Climate Data for James City Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.6 °F30.1 °F3.78 in.
February14.0 °F32.6 °F2.74 in.
March21.6 °F41.7 °F3.47 in.
April32.2 °F55.2 °F4.22 in.
May42.5 °F66.7 °F4.44 in.
June51.1 °F74.0 °F4.74 in.
July55.0 °F77.6 °F4.68 in.
August53.5 °F76.2 °F4.33 in.
September47.2 °F69.7 °F4.03 in.
October36.8 °F57.6 °F4.02 in.
November28.5 °F45.3 °F3.87 in.
December20.4 °F34.6 °F3.99 in.
Annual34.7 °F55.1 °F48.31 in.

Climate Data for James City Pennsylvania

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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