TODAY NOV21
TEMPERATURE69
HUMIDITY16
PRESSURE102573.72
WIND COND.330 7.4
  • 7146Fri
  • 7459Sat
  • 8066Sun
  • 8363Mon
  • 7862Tue
daynightWeather update from La Porte Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mont Belvieu for August is 83.9 degrees
  • The lowest monthly average temperature in Mont Belvieu for January is 54.8 degrees
  • The most monthly precipitation in Mont Belvieu occurs in October with 10 inches
  • The air quality index in Mont Belvieu is 24% worse than the national average
  • The pollution index in Mont Belvieu is 96% better than the national average

Compare Mont Belvieu, TX Weather

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      Mont Belvieu 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
      January47°F65°F55°F3.7"
      February49°F68°F57°F2.9"
      March56°F74°F64°F3.6"
      April62°F79°F70°F5.6"
      May70°F87°F77°F4.0"
      June75°F92°F83°F6.0"
      July76°F92°F83°F9.1"
      August77°F93°F84°F5.1"
      September73°F89°F80°F6.1"
      October64°F83°F72°F10.0"
      November55°F75°F64°F3.7"
      December47°F66°F56°F4.0"

      Mont Belvieu 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.
      IndexMont BelvieuTexasNational
      Air quality index525242
      Pollution index99,6432,009,3002,726,193

      Mont Belvieu air quality

      MeasurementTotal
      Days measured365
      Days with good air quality171
      Days with moderate air quality163
      Days w/ poor A.Q. for sensitive groups26
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.001%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Mont Belvieu temperature with heat index

      Mont Belvieu monthly precipitation with daily maximum

      Mont Belvieu monthly snow depth with daily maximum

      Mont Belvieu monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ames, TX1,0714510.0%
      Liberty, TX9,2994510.0%
      Anahuac, TX2,1744510.0%
      Crosby, TX2,276524.0%
      Channelview, TX43,378524.0%
      Mont Belvieu, TX6,180524.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Pictou, Subd. A, NS6,181n/a 
      New Whiteland, IN6,178548.0%
      Saint-Honoré, QC6,178n/a 
      Kennett Square, PA6,182512.0%
      Hillsboro, IL6,1774020.0%
      Mont Belvieu, TX6,180524.0%
      Source: The Mont Belvieu, TX 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.