Portville New York Climate Data

Monthly Average Climate Data for Portville New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F31.8 °F2.89 in.
February15.1 °F34.3 °F2.11 in.
March21.3 °F43.1 °F2.79 in.
April31.7 °F56.2 °F3.51 in.
May42.7 °F68.9 °F3.74 in.
June51.5 °F76.7 °F4.45 in.
July55.8 °F80.2 °F4.37 in.
August55.0 °F78.5 °F4.14 in.
September48.1 °F71.9 °F3.93 in.
October37.4 °F59.6 °F3.79 in.
November28.7 °F47.1 °F3.05 in.
December21.1 °F36.4 °F3.19 in.
Annual35.3 °F57.1 °F41.96 in.

Climate Data for Portville New York

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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