Records for Islip Area, New York (ISPthr) on 04-06
Record Highs
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1: 71°F (2010)
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2: 71°F (1991)
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3: 66°F (2021)
Record Lows
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1: 23°F (2016)
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2: 23°F (1982)
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3: 26°F (1970)
Lowest Highs
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1: 53°F (1985)
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2: 48°F (1991)
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3: 45°F (2022)
Highest Lows
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1: 37°F (1982)
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2: 41°F (2007)
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3: 44°F (1995)
Highest April temperature:
94°F on 04-17-2002.
Lowest April temperature:
16°F on 04-01-1969.
Average temperature is 46.5°F
Average high is 52.6°F
Average low is 40.3°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 2.07" (1971)
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2: 1.63" (1982)
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3: 1.27" (1964)
Precipitation data from 1963 to 2022.