TODAY FEB25
TEMPERATURE45
HUMIDITY93
PRESSURE29.9
WIND COND.220 8.1
  • 5140Tue30%70%
  • 4838Wed30%70%
  • 4823Thu40%
  • 3922Fri
  • 3619Sat
daynightWeather update from Islip, Long Island Mac Arthur Airport at

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How would you rate the air quality in Islandia?View resultsWrite a review to give others more information about this area.

Islandia 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 Islandia for July is 76 degrees.
  • The lowest monthly average temperature in Islandia for January is 32 degrees.
  • The most monthly precipitation in Islandia occurs in August with 5.6 inches.
  • The air quality index in Islandia is 5% better than the national average.
  • The pollution index in Islandia is 674% worse than the national average.

Compare Islandia, NY Weather To Other Cities

Islandia 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.
IndexIslandiaNew YorkNational
Air quality index474350
Pollution index39,208,8009,373,0575,066,862

Islandia 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

Islandia air quality information

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

Average monthly Islandia temperature with heat index

Islandia monthly precipitation with daily maximum

Islandia monthly snow depth with daily maximum

Islandia monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Huntington Station, NY34,565476%
Lake Grove, NY11,206476%
Miller Place, NY11,985476%
North Great River, NY4,056476%
Old Field, NY849476%
Islandia, NY3,349476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Barron, WI3,349355610%
Buzzards Bay, MA3,3483334%
Lakeland, GA3,3483628%
Blairsville, PA3,3483628%
Meiners Oaks, CA3,348484%
Islandia, NY3,349476%
Source: The Islandia, 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.
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