TODAY NOV07
TEMPERATURE64
HUMIDITY90
PRESSURE101730
WIND COND.280 9.4
  • 6942Fri
  • 5645Sat
  • 5957Sun70%
  • 645380%
  • 6047Tue
daynightWeather update from Islip, Long Island Mac Arthur Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Belle Terre for July is 75.9 degrees
  • The lowest monthly average temperature in Belle Terre for January is 32.3 degrees
  • The most monthly precipitation in Belle Terre occurs in August with 5.6 inches
  • The air quality index in Belle Terre is 2% worse than the national average
  • The pollution index in Belle Terre is 1338% worse than the national average

Compare Belle Terre, NY Weather

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      Belle Terre 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
      January24°F41°F32°F4.0"
      February24°F43°F33°F3.0"
      March31°F50°F40°F4.2"
      April41°F61°F50°F3.5"
      May51°F71°F60°F3.6"
      June60°F79°F69°F4.7"
      July68°F85°F76°F3.1"
      August65°F83°F74°F5.6"
      September60°F78°F68°F3.1"
      October49°F67°F58°F4.1"
      November37°F56°F46°F3.0"
      December31°F47°F39°F4.9"

      Belle Terre 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.
      IndexBelle TerreNew YorkNational
      Air quality index434342
      Pollution index39,208,8006,179,2752,726,193

      Belle Terre air quality

      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

      Air quality details

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

      Average monthly Belle Terre temperature with heat index

      Belle Terre monthly precipitation with daily maximum

      Belle Terre monthly snow depth with daily maximum

      Belle Terre monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bayport, NY8,5844314.0%
      Brentwood, NY62,7434314.0%
      Holbrook, NY25,7944314.0%
      Ronkonkoma, NY18,9534314.0%
      East Shoreham, NY7,0904314.0%
      Belle Terre, NY7914314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Keiser, AR7914510.0%
      Kernville, CA7916734.0%
      Meadow Vale, KY791492.0%
      Grove City, MN7913236.0%
      Deshler, NE7911962.0%
      Belle Terre, NY7914314.0%
      Source: The Belle Terre, 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.