Ontario New York Climate Data

Monthly Average Climate Data for Ontario New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.8 °C0.7 °C70.1 mm
February-7.3 °C1.4 °C55.12 mm
March-3.6 °C5.9 °C65.79 mm
April2.1 °C13 °C76.96 mm
May8.1 °C20.1 °C78.49 mm
June13.5 °C24.3 °C86.61 mm
July16.7 °C27.3 °C89.66 mm
August15.9 °C26.6 °C87.12 mm
September12.2 °C23.1 °C84.07 mm
October6.1 °C15.8 °C95.5 mm
November0.7 °C9.4 °C77.47 mm
December-4.2 °C3.4 °C75.95 mm
Annual4.4 °C14.3 °C942.84 mm

Climate Data for Ontario New York

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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