Portland New York Climate Data

Monthly Average Climate Data for Portland New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.6 °C0.8 °C80.77 mm
February-6.7 °C1.7 °C60.96 mm
March-3 °C6.3 °C74.42 mm
April2.9 °C13.2 °C89.15 mm
May9.3 °C19.4 °C92.96 mm
June14.7 °C24.4 °C95.76 mm
July17.1 °C26.5 °C106.17 mm
August16.6 °C25.9 °C91.19 mm
September13.1 °C22.7 °C115.32 mm
October7.1 °C16.3 °C127 mm
November1.7 °C9.5 °C110.24 mm
December-2.7 °C3.6 °C94.23 mm
Annual5.3 °C14.2 °C1138.17 mm

Climate Data for Portland New York

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com