TODAY MAY29
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7754Fri20%
  • 7558Sat
  • 7759Sun
  • 7963Mon
  • 8970Tue
daynightWeather update from St. Louis Downtown Airport at
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Dupo 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
January24°F43°F32°F1.8"
February26°F45°F34°F1.6"
March37°F59°F47°F3.7"
April47°F70°F58°F5.3"
May56°F78°F67°F4.8"
June65°F88°F76°F4.4"
July68°F90°F79°F3.9"
August66°F89°F77°F3.1"
September58°F82°F69°F4.2"
October47°F71°F58°F3.1"
November36°F58°F46°F2.8"
December29°F45°F36°F3.1"

Did you know?

  • The highest monthly average temperature in Dupo for July is 79 degrees.
  • The lowest monthly average temperature in Dupo for January is 32 degrees.
  • The most monthly precipitation in Dupo occurs in April with 5.3 inches.
  • The air quality index in Dupo is 21% worse than the national average.
  • The pollution index in Dupo is 67% worse than the national average.

Compare Dupo, IL Weather To Other Cities

      vs

      Dupo 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.
      IndexDupoIllinoisNational
      Air quality index604150
      Pollution index8,473,0503,347,2955,066,862

      Dupo air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality99
      Days with moderate air quality231
      Days w/ poor A.Q. for sensitive groups33
      Days with unhealthy air quality2

      Dupo air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.010%
      Mercury0.010%

      Average monthly Dupo temperature with heat index

      Dupo monthly precipitation with daily maximum

      Dupo monthly snow depth with daily maximum

      Dupo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Madison, IL3,8256020%
      Pontoon Beach, IL5,7536020%
      Valmeyer, IL1,1846020%
      Affton, MO22,0606020%
      Bel-Nor, MO1,3936020%
      Dupo, IL3,9666020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Larned, KS3,966688%
      Hallsville, TX3,9663334%
      Metzger, OR3,9673824%
      Gamewell, NC3,9673824%
      Dewey-Humboldt, AZ3,9654118%
      Dupo, IL3,9666020%
      Source: The Dupo, 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.