Portville New York Climate Data

Monthly Average Climate Data for Portville New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.7 °C-0.1 °C73.41 mm
February-9.4 °C1.3 °C53.59 mm
March-5.9 °C6.2 °C70.87 mm
April-0.2 °C13.4 °C89.15 mm
May5.9 °C20.5 °C95 mm
June10.8 °C24.8 °C113.03 mm
July13.2 °C26.8 °C111 mm
August12.8 °C25.8 °C105.16 mm
September8.9 °C22.2 °C99.82 mm
October3 °C15.3 °C96.27 mm
November-1.8 °C8.4 °C77.47 mm
December-6.1 °C2.4 °C81.03 mm
Annual1.8 °C13.9 °C1065.8 mm

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 : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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