Records for Islip Area, New York (ISPthr) on 05-01
Record Highs
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1: 84°F (2001)
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2: 81°F (2010)
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3: 79°F (1990)
Record Lows
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1: 32°F (2008)
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2: 34°F (2000)
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3: 35°F (1987)
Lowest Highs
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1: 57°F (1983)
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2: 56°F (1985)
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3: 54°F (2014)
Highest Lows
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1: 49°F (2016)
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2: 52°F (1978)
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3: 53°F (2019)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 53.9°F
Average high is 60°F
Average low is 47.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.83" (1998)
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2: 0.74" (2012)
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3: 0.68" (1995)
Precipitation data from 1963 to 2022.