Suffern New York Climate Data

Monthly Average Climate Data for Suffern New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.5 °F37.6 °F3.63 in.
February22.2 °F40.5 °F2.74 in.
March29.4 °F48.5 °F4.25 in.
April39.8 °F61.0 °F4.01 in.
May49.6 °F71.2 °F3.82 in.
June59.0 °F79.7 °F4.88 in.
July64.0 °F84.8 °F4.13 in.
August62.3 °F83.0 °F4.92 in.
September54.9 °F76.3 °F4.53 in.
October43.2 °F64.1 °F4.58 in.
November33.7 °F52.9 °F3.91 in.
December26.7 °F42.5 °F4.35 in.
Annual42.1 °F61.8 °F49.75 in.

Climate Data for Suffern New York

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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