Sullivan New York Climate Data

Monthly Average Climate Data for Sullivan New York

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.6 °F30.8 °F3.05 in.
February15.4 °F33.0 °F2.69 in.
March23.2 °F40.9 °F3.13 in.
April34.8 °F55.6 °F3.73 in.
May46.3 °F68.7 °F3.78 in.
June55.6 °F76.7 °F4.18 in.
July60.4 °F81.3 °F4.01 in.
August58.8 °F80.0 °F4.15 in.
September51.5 °F73.1 °F3.93 in.
October41.4 °F59.9 °F4.57 in.
November32.0 °F47.6 °F3.5 in.
December22.5 °F36.3 °F3.63 in.
Annual38 °F57 °F44.35 in.

Climate Data for Sullivan New York

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year