Chatham New York Climate Data

Monthly Average Climate Data for Chatham New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.4 °C0.6 °C70.61 mm
February-8.6 °C2.3 °C57.91 mm
March-4.1 °C7.2 °C75.44 mm
April1.9 °C14.9 °C80.26 mm
May7.9 °C21.4 °C92.2 mm
June13 °C25.6 °C102.36 mm
July15.7 °C28.2 °C101.35 mm
August14.9 °C27.3 °C95 mm
September10.5 °C23.3 °C118.62 mm
October4.4 °C16.3 °C104.39 mm
November-0.6 °C9.6 °C73.66 mm
December-5.5 °C3.3 °C90.68 mm
Annual3.3 °C15 °C1062.48 mm

Climate Data for Chatham New York

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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