Central Islip New York Climate Data

Monthly Average Climate Data for Central Islip New York

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.2 °C4.2 °C101.09 mm
February-3.6 °C5.2 °C90.93 mm
March-0.1 °C9 °C129.29 mm
April5 °C15.2 °C111.76 mm
May10.4 °C20.7 °C99.31 mm
June15.9 °C25.5 °C111.25 mm
July19.3 °C28.5 °C86.61 mm
August18.7 °C27.6 °C106.17 mm
September14.9 °C23.9 °C102.11 mm
October8.8 °C17.7 °C127.25 mm
November3.2 °C12.1 °C96.52 mm
December-0.9 °C7.2 °C129.79 mm
Annual7.3 °C16.4 °C1292.08 mm

Climate Data for Central Islip New York

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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