TODAY OCT15
TEMPERATURE66
HUMIDITY93
PRESSURE29.94
WIND COND.220 13.9
  • 5849Tue
  • 6042Wed
  • 5143Thu
  • 5952Fri
  • 6247Sat30%
daynightWeather update from Islip, Long Island Mac Arthur Airport at
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Setauket-East Setauket Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January24°F41°F32°F4.0"
February24°F43°F33°F3.0"
March31°F50°F40°F4.2"
April41°F61°F50°F3.5"
May51°F71°F60°F3.6"
June60°F79°F69°F4.7"
July68°F85°F76°F3.1"
August65°F83°F74°F5.6"
September60°F78°F68°F3.1"
October49°F67°F58°F4.1"
November37°F56°F46°F3.0"
December31°F47°F39°F4.9"

Did you know?

  • The highest monthly average temperature in Setauket-East Setauket for July is 76 degrees.
  • The lowest monthly average temperature in Setauket-East Setauket for January is 32 degrees.
  • The most monthly precipitation in Setauket-East Setauket occurs in August with 5.6 inches.
  • The air quality index in Setauket-East Setauket is 5% better than the national average.
  • The pollution index in Setauket-East Setauket is 673% worse than the national average.

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Compare Setauket-East Setauket, NY Weather To Other Cities

Setauket-East Setauket air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexSetauket-East SetauketNew YorkNational
Air quality index474350
Pollution index39,208,8009,373,0575,066,862

Setauket-East Setauket air quality information

MeasurementTotal
Days measured365
Days with good air quality200
Days with moderate air quality146
Days w/ poor A.Q. for sensitive groups18
Days with unhealthy air quality1

Setauket-East Setauket air quality information

PollutantTotal
Arsenic0.060%
Benzene0.320%
Carbon Tetrachloride0.020%
Lead0.320%
Mercury0.130%

Average monthly Setauket-East Setauket temperature with heat index

Setauket-East Setauket monthly precipitation with daily maximum

Setauket-East Setauket monthly snow depth with daily maximum

Setauket-East Setauket monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Centerport, NY5,251476%
Deer Park, NY27,223476%
East Patchogue, NY22,724476%
Fort Salonga, NY9,835476%
Hauppauge, NY20,301476%
Setauket-East Setauket, NY14,174476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Waycross, GA14,1883236%
Brooklyn Park, MD14,159468%
Dentsville, SC14,1924216%
Worthington, OH14,1554314%
New Franklin, OH14,1953432%
Setauket-East Setauket, NY14,174476%
Source: The Setauket-East Setauket, NY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.