TODAY NOV24
TEMPERATURE47
HUMIDITY56
PRESSURE100240
WIND COND.290 22.3
  • 5338Sun
  • 5446Mon
  • 6036Tue80%
  • 5035Wed
  • 493630%60%
daynightWeather update from Farmingdale - Republic Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Copiague for August is 74.8 degrees
  • The lowest monthly average temperature in Copiague for February is 30.8 degrees
  • The most monthly precipitation in Copiague occurs in October with 16.3 inches
  • The air quality index in Copiague is 21% worse than the national average
  • The pollution index in Copiague is 1338% worse than the national average

Compare Copiague, NY Weather

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      Copiague 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
      January26°F41°F33°F4.6"
      February24°F39°F31°F3.2"
      March30°F47°F38°F6.5"
      April41°F59°F49°F10.8"
      May50°F68°F58°F3.5"
      June62°F78°F69°F6.0"
      July67°F82°F74°F8.7"
      August67°F83°F75°F6.0"
      September61°F79°F69°F4.2"
      October52°F68°F59°F16.3"
      November39°F55°F47°F5.8"
      December30°F43°F36°F5.8"

      Copiague 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.
      IndexCopiagueNew YorkNational
      Air quality index514342
      Pollution index39,208,8006,179,2752,726,193

      Copiague 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%
      Benzene0.320%
      Carbon Tetrachloride0.020%
      Lead0.320%
      Mercury0.130%

      Average monthly Copiague temperature with heat index

      Copiague monthly precipitation with daily maximum

      Copiague monthly snow depth with daily maximum

      Copiague monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Central Islip, NY33,5914314.0%
      East Northport, NY20,0854314.0%
      Huntington, NY19,4384314.0%
      West Hills, NY5,2254314.0%
      Brightwaters, NY3,0704314.0%
      Copiague, NY23,200512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Simpsonville, SC23,200468.0%
      Oxford, OH23,192688.0%
      East Hants, NS23,212n/a 
      Clayton, NC23,179468.0%
      Bluffton, SC23,1763922.0%
      Copiague, NY23,200512.0%
      Source: The Copiague, 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.