TODAY MAR19
TEMPERATURE39
HUMIDITY42
PRESSURE100580
WIND COND.300 20.5
  • 4939Tue
  • 5331Wed20%
  • 4427Thu
  • 4335Fri30%
  • 4933Sat50%30%
daynightWeather update from Islip, Long Island Mac Arthur Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Bay Shore for August is 74.8 degrees
  • The lowest monthly average temperature in Bay Shore for February is 30.8 degrees
  • The most monthly precipitation in Bay Shore occurs in October with 16.3 inches
  • The air quality index in Bay Shore is 2% worse than the national average
  • The pollution index in Bay Shore is 1338% worse than the national average

Compare Bay Shore, NY Weather

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      Bay Shore 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"

      Bay Shore 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.
      IndexBay ShoreNew YorkNational
      Air quality index434342
      Pollution index39,208,8006,179,2752,726,193

      Bay Shore air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality82
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality3

      Bay Shore air quality information

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

      Average monthly Bay Shore temperature with heat index

      Bay Shore monthly precipitation with daily maximum

      Bay Shore monthly snow depth with daily maximum

      Bay Shore monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bohemia, NY9,3294314.0%
      East Patchogue, NY22,0164314.0%
      Ronkonkoma, NY18,9534314.0%
      Centerport, NY5,7734314.0%
      Elwood, NY11,5824314.0%
      Bay Shore, NY31,8194314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Spring Valley, CA31,8666428.0%
      Liberty, MO31,761476.0%
      Savage, MN31,758468.0%
      Marrero, LA31,7514510.0%
      Wheat Ridge, CO31,8895816.0%
      Bay Shore, NY31,8194314.0%
      Source: The Bay Shore, 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.