Jamestown New York Climate Data

Monthly Average Climate Data for Jamestown New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.2 °F31.2 °F3.63 in.
February15.5 °F33.7 °F2.58 in.
March22.4 °F42.5 °F3.14 in.
April33.1 °F55.5 °F3.92 in.
May44.0 °F67.5 °F3.94 in.
June53.0 °F75.4 °F4.4 in.
July56.9 °F79.4 °F4.46 in.
August55.7 °F78.0 °F4.0 in.
September49.3 °F71.7 °F3.9 in.
October38.9 °F59.1 °F4.24 in.
November30.1 °F46.8 °F3.68 in.
December22.5 °F36.2 °F3.97 in.
Annual36.4 °F56.4 °F45.86 in.

Climate Data for Jamestown 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 6a : -10°F to -5°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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