Westernville New York Climate Data

Monthly Average Climate Data for Westernville New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F29.8 °F3.87 in.
February13.8 °F32.3 °F3.17 in.
March22.2 °F40.5 °F3.61 in.
April34.2 °F55.3 °F4.25 in.
May45.5 °F68.4 °F4.62 in.
June55.1 °F76.6 °F4.9 in.
July59.9 °F81.1 °F4.64 in.
August58.4 °F79.4 °F4.11 in.
September51.2 °F72.5 °F4.4 in.
October40.6 °F59.2 °F5.38 in.
November31.0 °F46.7 °F4.42 in.
December21.1 °F35.3 °F4.48 in.
Annual37.2 °F56.4 °F51.85 in.

Climate Data for Westernville New York

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 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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