Records for Islip Area, New York (ISPthr) on 05-24
Record Highs
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1: 89°F (1975)
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2: 86°F (1964)
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3: 85°F (1992)
Record Lows
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1: 41°F (1965)
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2: 44°F (2006)
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3: 44°F (1971)
Lowest Highs
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1: 62°F (1988)
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2: 62°F (1977)
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3: 61°F (1964)
Highest Lows
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1: 56°F (1982)
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2: 57°F (2003)
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3: 57°F (1969)
Highest May temperature:
98°F on 05-20-1996.
Lowest May temperature:
32°F on 05-01-2008.
Average temperature is 60.2°F
Average high is 66.4°F
Average low is 54°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 1.97" (1978)
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2: 0.69" (1968)
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3: 0.68" (1989)
Precipitation data from 1963 to 2022.