Records for Islip Area, New York (ISPthr) on 12-01
Record Highs
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1: 67°F (2001)
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2: 66°F (2014)
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3: 63°F (2006)
Record Lows
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1: 15°F (1976)
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2: 17°F (1965)
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3: 18°F (1989)
Lowest Highs
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1: 52°F (2006)
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2: 50°F (2001)
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3: 49°F (1991)
Highest Lows
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1: 30°F (1967)
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2: 30°F (1964)
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3: 31°F (1976)
Highest December temperature:
77°F on 12-07-1998.
Lowest December temperature:
-1°F on 12-31-1963.
Average temperature is 41.4°F
Average high is 47.4°F
Average low is 35.4°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.41" (1977)
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2: 1.06" (2010)
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3: 1.00" (1974)
Precipitation data from 1963 to 2022.