TODAY SEP21
TEMPERATURE81
HUMIDITY79
PRESSURE101190
WIND COND.100 11.2
  • 9274Mon
  • 9369Tue20%70%
  • 8163Wed60%20%
  • 8260Thu
  • 8360Fri
daynightWeather update from Sherman/Denison, Grayson County Airport at

Weather Quick Facts

  • The highest monthly average temperature in Southmayd for August is 84.4 degrees
  • The lowest monthly average temperature in Southmayd for January is 43.5 degrees
  • The most monthly precipitation in Southmayd occurs in May with 5.6 inches
  • The air quality index in Southmayd is 672% worse than the national average
  • The pollution index in Southmayd is 226% worse than the national average

Compare Southmayd, TX Weather

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      Southmayd 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
      January34°F56°F44°F2.5"
      February38°F60°F47°F2.1"
      March47°F69°F56°F2.9"
      April54°F76°F64°F4.7"
      May61°F82°F71°F5.6"
      June71°F91°F81°F4.5"
      July74°F95°F84°F3.1"
      August74°F96°F84°F3.1"
      September67°F89°F77°F2.9"
      October56°F79°F66°F3.1"
      November46°F67°F56°F2.9"
      December37°F56°F45°F2.6"

      Southmayd 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.
      IndexSouthmaydTexasNational
      Air quality index3255242
      Pollution index8,884,1902,009,3002,726,193

      Southmayd air quality

      MeasurementTotal
      Days measured138
      Days with good air quality120
      Days with moderate air quality17
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.260%
      Mercury0.020%

      Average monthly Southmayd temperature with heat index

      Southmayd monthly precipitation with daily maximum

      Southmayd monthly snow depth with daily maximum

      Southmayd monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Lake Kiowa, TX2,4184314.0%
      Callisburg, TX2404314.0%
      Pottsboro, TX2,418325550.0%
      Howe, TX3,204325550.0%
      Van Alstyne, TX4,153325550.0%
      Southmayd, TX1,510325550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Beechwood Village, KY1,510492.0%
      Clara City, MN1,5103236.0%
      Vernon, NY1,5102746.0%
      Wickerham Manor-Fisher, PA1,5105612.0%
      Bloomington, TX1,5103138.0%
      Southmayd, TX1,510325550.0%
      Source: The Southmayd, 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.