Ontario New York Climate Data

Monthly Average Climate Data for Ontario New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.9 °F33.2 °F2.76 in.
February18.9 °F34.5 °F2.17 in.
March25.5 °F42.6 °F2.59 in.
April35.8 °F55.4 °F3.03 in.
May46.5 °F68.1 °F3.09 in.
June56.3 °F75.7 °F3.41 in.
July62.0 °F81.2 °F3.53 in.
August60.6 °F79.9 °F3.43 in.
September53.9 °F73.6 °F3.31 in.
October42.9 °F60.5 °F3.76 in.
November33.2 °F49.0 °F3.05 in.
December24.5 °F38.1 °F2.99 in.
Annual39.8 °F57.7 °F37.12 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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