TODAY MAR28
TEMPERATURE65
HUMIDITY30
PRESSURE101970
WIND COND.240 9.4
  • 7555Fri
  • 7762Sat
  • 7964Sun
  • 7746Mon30%60%
  • 6138Tue20%
daynightWeather update from Northwest Arkansas Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Southwest City for August is 79.5 degrees
  • The lowest monthly average temperature in Southwest City for January is 37.1 degrees
  • The most monthly precipitation in Southwest City occurs in November with 31.2 inches
  • The air quality index in Southwest City is 10% better than the national average
  • The pollution index in Southwest City is 22% better than the national average

Compare Southwest City, MO Weather

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      Southwest City 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
      January29°F48°F37°F14.0"
      February33°F54°F41°F4.0"
      March44°F66°F53°F2.2"
      April46°F69°F56°F6.4"
      May57°F79°F66°F6.4"
      June65°F86°F74°F8.7"
      July67°F89°F77°F10.0"
      August70°F92°F79°F12.5"
      September63°F86°F73°F10.7"
      October49°F74°F60°F6.1"
      November41°F64°F50°F31.2"
      December29°F51°F38°F4.9"

      Southwest City 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 CityMissouriNational
      Air quality index389742
      Pollution index2,124,1901,630,2552,726,193

      Southwest City air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality289
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Southwest City air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.200%

      Average monthly Southwest City temperature with heat index

      Southwest City monthly precipitation with daily maximum

      Southwest City monthly snow depth with daily maximum

      Southwest City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      New Eucha, OK3993628.0%
      Noel, MO2,0513824.0%
      Dodge, OK393824.0%
      Anderson, MO2,3623824.0%
      Brush Creek, OK1193824.0%
      Southwest City, MO1,0643824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dallas City, IL1,0642942.0%
      Bloomfield, KY1,064492.0%
      Memphis, MI1,0645612.0%
      Roan Mountain, TN1,0642648.0%
      Redvers, SK1,064n/a 
      Southwest City, MO1,0643824.0%
      Source: The Southwest City, MO 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.