Groton New York Climate Data

Monthly Average Climate Data for Groton New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.9 °C-0.6 °C68.07 mm
February-9.3 °C0.7 °C56.9 mm
March-5.4 °C4.9 °C75.18 mm
April0.9 °C12.4 °C93.98 mm
May7.2 °C19.6 °C91.19 mm
June12.3 °C24.2 °C118.62 mm
July14.8 °C26.6 °C106.93 mm
August13.9 °C25.9 °C109.47 mm
September9.9 °C22.2 °C106.17 mm
October4.2 °C15.1 °C105.66 mm
November-0.8 °C8.3 °C90.42 mm
December-5.7 °C2.3 °C80.01 mm
Annual2.7 °C13.5 °C1102.6 mm

Climate Data for Groton New York

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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