TODAY DEC23
TEMPERATURE14
HUMIDITY58
PRESSURE103690
WIND COND.360 14.8
  • 3126Mon
  • 4126Tue40%
  • 3725
  • 3929Thu
  • 4130Fri
daynightWeather update from New York, Kennedy International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Uniondale for July is 75.7 degrees
  • The lowest monthly average temperature in Uniondale for January is 33 degrees
  • The most monthly precipitation in Uniondale occurs in December with 4.5 inches
  • The air quality index in Uniondale is 21% worse than the national average
  • The pollution index in Uniondale is 663% worse than the national average

Compare Uniondale, NY Weather

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      Uniondale 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
      January25°F41°F33°F2.7"
      February25°F42°F33°F2.3"
      March32°F50°F40°F3.3"
      April42°F60°F51°F3.7"
      May52°F70°F60°F3.4"
      June61°F78°F69°F4.3"
      July68°F84°F76°F3.2"
      August66°F83°F74°F3.4"
      September60°F76°F68°F3.2"
      October50°F66°F57°F3.5"
      November39°F55°F47°F2.5"
      December32°F46°F39°F4.5"

      Uniondale 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.
      IndexUniondaleNew YorkNational
      Air quality index514342
      Pollution index20,796,9006,179,2752,726,193

      Uniondale air quality

      MeasurementTotal
      Days measured365
      Days with good air quality169
      Days with moderate air quality180
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.060%
      Benzene0.130%
      Carbon Tetrachloride0.130%
      Lead0.070%
      Mercury0.060%

      Average monthly Uniondale temperature with heat index

      Uniondale monthly precipitation with daily maximum

      Uniondale monthly snow depth with daily maximum

      Uniondale monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Centerport, NY5,7734314.0%
      Halesite, NY2,4834314.0%
      Northport, NY7,2974314.0%
      Deer Park, NY26,0434314.0%
      Cove Neck, NY2314314.0%
      Uniondale, NY32,621512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Charles, IL32,6125510.0%
      Helena, MT32,6554020.0%
      Orangeville, ON32,668n/a 
      Matthews, NC32,682492.0%
      Manitowoc, WI32,5583628.0%
      Uniondale, NY32,621512.0%
      Source: The Uniondale, 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.