Records for Islip Area, New York (ISPthr) on 05-22
Record Highs
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1: 92°F (1992)
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2: 90°F (2021)
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3: 88°F (1991)
Record Lows
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1: 37°F (2002)
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2: 40°F (1990)
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3: 43°F (1968)
Lowest Highs
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1: 65°F (2022)
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2: 62°F (1996)
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3: 62°F (1991)
Highest Lows
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1: 54°F (2003)
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2: 57°F (2000)
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3: 59°F (2011)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 59.5°F
Average high is 65.7°F
Average low is 53.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.09" (2001)
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2: 0.82" (1966)
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3: 0.58" (2017)
Precipitation data from 1963 to 2022.