TODAY APR23
TEMPERATURE49
HUMIDITY97
PRESSURE101830
WIND COND.170 9.4
  • 7662
  • 7864Wed20%
  • 8067Thu
  • 7767Fri30%70%
  • 8269Sat20%50%
daynightWeather update from Mount Pleasant, Mount Pleasant Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mount Vernon for August is 82.4 degrees
  • The lowest monthly average temperature in Mount Vernon for January is 45.3 degrees
  • The most monthly precipitation in Mount Vernon occurs in October with 15.7 inches
  • The air quality index in Mount Vernon is 12% better than the national average
  • The pollution index in Mount Vernon is 15% better than the national average

Compare Mount Vernon, TX Weather

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      Mount Vernon 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
      January36°F58°F45°F5.9"
      February39°F61°F49°F5.6"
      March47°F70°F57°F8.2"
      April54°F77°F64°F8.9"
      May61°F83°F71°F6.0"
      June70°F91°F79°F6.0"
      July72°F94°F82°F3.4"
      August72°F94°F82°F10.4"
      September65°F88°F76°F14.7"
      October53°F79°F65°F15.7"
      November45°F68°F55°F8.1"
      December38°F59°F47°F10.1"

      Mount Vernon 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.
      IndexMount VernonTexasNational
      Air quality index375242
      Pollution index2,304,5302,009,3002,726,193

      Mount Vernon air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality289
      Days with moderate air quality67
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality0

      Mount Vernon air quality information

      PollutantTotal
      Arsenic0.900%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.040%
      Mercury1.100%

      Average monthly Mount Vernon temperature with heat index

      Mount Vernon monthly precipitation with daily maximum

      Mount Vernon monthly snow depth with daily maximum

      Mount Vernon monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Como, TX7183628.0%
      Miller's Cove, TX1433726.0%
      Mount Pleasant, TX17,0583726.0%
      Pittsburg, TX4,6453726.0%
      Winfield, TX5333726.0%
      Mount Vernon, TX2,7803726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chattahoochee Hills, GA2,780524.0%
      Lena, IL2,7804216.0%
      Crosby, MN2,7802942.0%
      Chimayo, NM2,7794118.0%
      Botwood, NL2,779n/a 
      Mount Vernon, TX2,7803726.0%
      Source: The Mount Vernon, 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.