TODAY MAY29
TEMPERATURE65
HUMIDITY90
PRESSURE29.92
WIND COND.240 4.7
  • 7853Fri20%
  • 7455Sat
  • 7654Sun
  • 7859Mon
  • 8666Tue
daynightWeather update from Southern Illinois Airport at
How would you rate the weather in De Soto?
Write a review to give others more information about this area.
How would you rate the air quality in De Soto?
Write a review to give others more information about this area.
See all De Soto poll results

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°F34°F2.3"
February27°F46°F36°F2.5"
March38°F60°F48°F4.8"
April47°F70°F58°F6.2"
May56°F78°F67°F4.9"
June66°F88°F76°F4.1"
July68°F89°F78°F5.0"
August66°F88°F76°F3.5"
September57°F81°F68°F3.4"
October46°F71°F58°F3.6"
November36°F58°F46°F3.7"
December30°F47°F38°F3.7"

Did you know?

  • The highest monthly average temperature in De Soto for July is 78 degrees.
  • The lowest monthly average temperature in De Soto for January is 34 degrees.
  • The most monthly precipitation in De Soto occurs in April with 6.2 inches.
  • The air quality index in De Soto is 22% better than the national average.
  • The pollution index in De Soto is 89% better than the national average.

Compare De Soto, IL Weather To Other Cities

      vs

      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 SotoIllinoisNational
      Air quality index394150
      Pollution index569,1783,347,2955,066,862

      De Soto air quality information

      MeasurementTotal
      Days measured243
      Days with good air quality204
      Days with moderate air quality39
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      De Soto air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Makanda, IL5903628%
      Cambria, IL1,3373922%
      Colp, IL2193922%
      Elkville, IL1,1403922%
      Harrison, IL9653922%
      De Soto, IL1,6583922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wabasso Beach, FL1,6583432%
      Ovid, MI1,6573432%
      Marshall, AR1,6593432%
      Niverville, NY1,6593628%
      Stratford, OK1,6593628%
      De Soto, IL1,6583922%
      Source: The De Soto, IL 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.