Records for Islip Area, New York (ISPthr) on 05-05
Record Highs
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1: 84°F (2000)
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2: 79°F (2015)
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3: 77°F (2006)
Record Lows
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1: 36°F (2005)
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2: 36°F (1997)
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3: 36°F (1974)
Lowest Highs
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1: 58°F (2018)
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2: 55°F (2015)
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3: 55°F (1999)
Highest Lows
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1: 44°F (1978)
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2: 46°F (1987)
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3: 53°F (2016)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 54.8°F
Average high is 61°F
Average low is 48.6°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.99" (2019)
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2: 0.89" (2017)
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3: 0.75" (1978)
Precipitation data from 1963 to 2022.