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Weather extremes
How extreme does Central Islip's weather get?
The hottest, coldest, wettest and snowiest days Central Islip has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Central Islip has recorded — each shown against what a normal day that time of year looks like.
That is about 16°F hotter than a normal July afternoon in Central Islip (typical high near 83°F).
The three most extreme on record
About 27°F colder than a normal February night in Central Islip (typical low near 25°F).
The three most extreme on record
More rain in a single day than Central Islip usually gets in the whole month of October (typical October total about 4.3 in).
The three most extreme on record
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Central Islip's record heat sits well above even a hot day for the season — July's 99°F is about 16°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Centerport (NOAA GHCN station USC00301309), about 18 km from the city centre.