TODAY DEC27
TEMPERATURE64
HUMIDITY58
PRESSURE100950
WIND COND.210 18.4
  • 7147Sat
  • 7050Sun
  • 7745Mon
  • 5937Tue
  • 5333
daynightWeather update from Dallas, Redbird Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Southwest Dallas for August is 86.4 degrees
  • The lowest monthly average temperature in Southwest Dallas for January is 47.6 degrees
  • The most monthly precipitation in Southwest Dallas occurs in March with 6.1 inches
  • The air quality index in Southwest Dallas is 21% worse than the national average
  • The pollution index in Southwest Dallas is 36% worse than the national average

Compare Dallas, TX Weather

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      Southwest Dallas 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
      January39°F60°F48°F3.4"
      February42°F62°F51°F2.1"
      March50°F72°F60°F6.1"
      April57°F78°F67°F2.8"
      May67°F85°F75°F4.2"
      June75°F94°F84°F4.1"
      July77°F96°F86°F2.4"
      August78°F97°F86°F2.6"
      September70°F89°F79°F5.0"
      October58°F79°F68°F5.0"
      November50°F71°F59°F2.7"
      December39°F60°F48°F2.3"

      Southwest Dallas 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.
      IndexSouthwest DallasDallasTexas
      Air quality index515152
      Pollution index3,706,5403,706,5402,009,300

      Southwest Dallas air quality

      MeasurementTotal
      Days measured365
      Days with good air quality181
      Days with moderate air quality155
      Days w/ poor A.Q. for sensitive groups28
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.040%
      Mercury0.000%

      Average monthly Southwest Dallas temperature with heat index

      Southwest Dallas monthly precipitation with daily maximum

      Southwest Dallas monthly snow depth with daily maximum

      Southwest Dallas monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Horseshoe Bend, TX621512.0%
      Oak Leaf, TX1,793512.0%
      Dalworthington Gardens, TX2,192512.0%
      Duncanville, TX39,096512.0%
      Hutchins, TX5,804512.0%
      Dallas, TX1,338,846512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Calgary, AB1,371,990n/a 
      San Diego, CA1,414,5456428.0%
      San Antonio, TX1,529,133492.0%
      Philadelphia, PA1,581,531512.0%
      Ottawa, ON1,058,126n/a 
      Dallas, TX1,338,846512.0%
      Source: The Southwest Dallas, Dallas, 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.