Sullivan New York Climate Data

Monthly Average Climate Data for Sullivan New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.7 °C-0.7 °C77.47 mm
February-9.2 °C0.6 °C68.33 mm
March-4.9 °C4.9 °C79.5 mm
April1.6 °C13.1 °C94.74 mm
May7.9 °C20.4 °C96.01 mm
June13.1 °C24.8 °C106.17 mm
July15.8 °C27.4 °C101.85 mm
August14.9 °C26.7 °C105.41 mm
September10.8 °C22.8 °C99.82 mm
October5.2 °C15.5 °C116.08 mm
November0 °C8.7 °C88.9 mm
December-5.3 °C2.4 °C92.2 mm
Annual3.4 °C13.9 °C1126.48 mm

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