TODAY NOV02
TEMPERATURE55
HUMIDITY47
PRESSURE102610
WIND COND.
  • 5842Sun
  • 6054Mon
  • 7060Tue
  • 7457Wed
  • 6952Thu
daynightWeather update from New York, Kennedy International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hewlett for July is 76.8 degrees
  • The lowest monthly average temperature in Hewlett for January is 33.8 degrees
  • The most monthly precipitation in Hewlett occurs in December with 4.9 inches
  • The air quality index in Hewlett is 21% worse than the national average
  • The pollution index in Hewlett is 663% worse than the national average

Compare Hewlett, NY Weather

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      Hewlett 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°F43°F34°F3.4"
      February26°F44°F34°F2.8"
      March33°F52°F41°F3.7"
      April43°F63°F52°F3.7"
      May52°F71°F61°F4.2"
      June62°F81°F71°F4.7"
      July69°F86°F77°F4.2"
      August68°F85°F76°F4.8"
      September61°F79°F69°F3.4"
      October51°F68°F59°F4.8"
      November39°F57°F48°F3.0"
      December32°F48°F40°F4.9"

      Hewlett 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.
      IndexHewlettNew YorkNational
      Air quality index514342
      Pollution index20,796,9006,179,2752,726,193

      Hewlett 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 Hewlett temperature with heat index

      Hewlett monthly precipitation with daily maximum

      Hewlett monthly snow depth with daily maximum

      Hewlett monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cold Spring Harbor, NY2,8644314.0%
      Laurel Hollow, NY1,9674314.0%
      West Hills, NY5,2254314.0%
      Farmingdale, NY8,869512.0%
      North Massapequa, NY18,239512.0%
      Hewlett, NY7,064512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cos Cob, CT7,0654314.0%
      Clarkston Heights-Vineland, WA7,0622942.0%
      Delphos, OH7,0663922.0%
      Morrow, GA7,061524.0%
      Hudson Falls, NY7,0673530.0%
      Hewlett, NY7,064512.0%
      Source: The Hewlett, 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.