TODAY DEC22
TEMPERATURE21
HUMIDITY45
PRESSURE102950
WIND COND.310 24.1
  • 3527Mon
  • 4128Tue50%
  • 3831
  • 4033Thu
  • 4235Fri
daynightWeather update from Shirley, Brookhaven Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Bellport for August is 73.6 degrees
  • The lowest monthly average temperature in Bellport for February is 29.6 degrees
  • The most monthly precipitation in Bellport occurs in October with 9.6 inches
  • The air quality index in Bellport is 2% worse than the national average
  • The pollution index in Bellport is 1338% worse than the national average

Compare Bellport, NY Weather

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      Bellport 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°F5.8"
      February22°F39°F30°F4.5"
      March28°F47°F37°F6.7"
      April38°F58°F47°F9.1"
      May47°F68°F57°F5.1"
      June60°F78°F68°F1.8"
      July65°F82°F73°F6.2"
      August65°F83°F74°F3.2"
      September57°F79°F68°F3.0"
      October50°F67°F58°F9.6"
      November36°F55°F46°F5.3"
      December28°F43°F35°F6.2"

      Bellport 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.
      IndexBellportNew YorkNational
      Air quality index434342
      Pollution index39,208,8006,179,2752,726,193

      Bellport 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 Bellport temperature with heat index

      Bellport monthly precipitation with daily maximum

      Bellport monthly snow depth with daily maximum

      Bellport monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Eastport, NY1,9024118.0%
      Riverside village, NY6114118.0%
      Baiting Hollow, NY2,8394118.0%
      Northampton, NY1,6274118.0%
      Riverside, NY2,6104118.0%
      Bellport, NY1,8994314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Coal Grove, OH1,8994216.0%
      Intercourse, PA1,8994510.0%
      Splendora, TX1,899524.0%
      Kedgwick, NB1,899n/a 
      Wapello, IA1,8983236.0%
      Bellport, NY1,8994314.0%
      Source: The Bellport, 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.