Portland New York Climate Data

Monthly Average Climate Data for Portland New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.2 °F33.4 °F3.18 in.
February19.9 °F35.1 °F2.4 in.
March26.6 °F43.3 °F2.93 in.
April37.2 °F55.7 °F3.51 in.
May48.8 °F67.0 °F3.66 in.
June58.5 °F76.0 °F3.77 in.
July62.8 °F79.7 °F4.18 in.
August61.9 °F78.6 °F3.59 in.
September55.6 °F72.8 °F4.54 in.
October44.8 °F61.3 °F5.0 in.
November35.1 °F49.1 °F4.34 in.
December27.1 °F38.5 °F3.71 in.
Annual41.5 °F57.5 °F44.81 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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