TODAY NOV02
TEMPERATURE68
HUMIDITY40
PRESSURE102370
WIND COND.110 16.6
  • 7463Sun40%80%
  • 7459Mon70%60%
  • 7146Tue80%20%
  • 6745Wed
  • 6444Thu20%20%
daynightWeather update from Farmington Airport at
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Weather Quick Facts

  • The highest monthly average temperature in De Soto for July is 76.9 degrees
  • The lowest monthly average temperature in De Soto for January is 33.1 degrees
  • The most monthly precipitation in De Soto occurs in August with 9.8 inches
  • The air quality index in De Soto is 28% worse than the national average
  • The pollution index in De Soto is 72% better than the national average

Compare De Soto, MO Weather

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      De Soto 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
      January25°F44°F33°F5.3"
      February27°F47°F35°F4.6"
      March37°F59°F47°F6.2"
      April47°F69°F57°F9.5"
      May55°F76°F65°F8.4"
      June64°F86°F74°F6.1"
      July67°F88°F77°F9.0"
      August66°F87°F75°F9.8"
      September58°F80°F68°F7.6"
      October47°F69°F57°F7.0"
      November37°F57°F46°F8.3"
      December28°F45°F36°F4.6"

      De Soto 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.
      IndexDe SotoMissouriNational
      Air quality index549742
      Pollution index753,4731,630,2552,726,193

      De Soto air quality

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.020%
      Mercury0.020%

      Average monthly De Soto temperature with heat index

      De Soto monthly precipitation with daily maximum

      De Soto monthly snow depth with daily maximum

      De Soto monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Valmeyer, IL1,208548.0%
      Cedar Hill, MO1,625548.0%
      Herculaneum, MO4,081548.0%
      Pevely, MO5,937548.0%
      Barnhart, MO6,676548.0%
      De Soto, MO6,359548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dillon, SC6,3583040.0%
      Burnet, TX6,3574216.0%
      Beauceville, QC6,357n/a 
      Johnsburg, IL6,3543922.0%
      Ramtown, NJ6,3544118.0%
      De Soto, MO6,359548.0%
      Source: The De Soto, 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.