TODAY NOV25
TEMPERATURE52
HUMIDITY38
PRESSURE101660
WIND COND.270 16.6
  • 6036Tue90%
  • 5140Wed
  • 533770%70%
  • 4829Fri
  • 4128Sat
daynightWeather update from Farmingdale - Republic Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Melville for July is 75.7 degrees
  • The lowest monthly average temperature in Melville for January is 33 degrees
  • The most monthly precipitation in Melville occurs in December with 4.5 inches
  • The air quality index in Melville is 21% worse than the national average
  • The pollution index in Melville is 1338% worse than the national average

Compare Melville, NY Weather

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      Melville 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"

      Melville 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.
      IndexMelvilleNew YorkNational
      Air quality index514342
      Pollution index39,208,8006,179,2752,726,193

      Melville 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 Melville temperature with heat index

      Melville monthly precipitation with daily maximum

      Melville monthly snow depth with daily maximum

      Melville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Central Islip, NY33,5914314.0%
      Centerport, NY5,7734314.0%
      Elwood, NY11,5824314.0%
      Huntington, NY19,4384314.0%
      Lloyd Harbor, NY3,6634314.0%
      Melville, NY17,992512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Sycamore, IL17,9904216.0%
      Cutlerville, MI17,9883824.0%
      Loyalist, ON17,983n/a 
      Bethpage, NY18,012512.0%
      Logansport, IN17,9683726.0%
      Melville, NY17,992512.0%
      Source: The Melville, 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.