Groton New York Climate Data

Monthly Average Climate Data for Groton New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.1 °F31.0 °F2.68 in.
February15.3 °F33.3 °F2.24 in.
March22.3 °F40.9 °F2.96 in.
April33.7 °F54.4 °F3.7 in.
May44.9 °F67.3 °F3.59 in.
June54.1 °F75.5 °F4.67 in.
July58.7 °F79.8 °F4.21 in.
August57.1 °F78.6 °F4.31 in.
September49.9 °F71.9 °F4.18 in.
October39.6 °F59.1 °F4.16 in.
November30.6 °F47.0 °F3.56 in.
December21.7 °F36.2 °F3.15 in.
Annual36.8 °F56.3 °F43.41 in.

Climate Data for Groton New York

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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