Westfield Pennsylvania Climate Data

Monthly Average Climate Data for Westfield Pennsylvania

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F32.3 °F2.35 in.
February14.7 °F34.8 °F1.88 in.
March21.6 °F43.2 °F2.59 in.
April32.0 °F56.6 °F3.09 in.
May43.0 °F68.9 °F3.53 in.
June51.8 °F77.1 °F3.92 in.
July56.0 °F81.1 °F3.81 in.
August54.6 °F79.9 °F3.62 in.
September47.6 °F73.0 °F3.92 in.
October37.2 °F60.5 °F3.66 in.
November28.3 °F47.4 °F2.86 in.
December20.7 °F36.8 °F2.55 in.
Annual35.1 °F57.6 °F37.78 in.

Climate Data for Westfield Pennsylvania

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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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