TODAY OCT15
TEMPERATURE42
HUMIDITY76
PRESSURE30.3
WIND COND.320 11.4
  • 5842Tue
  • 6037Wed
  • 5843Thu
  • 5745Fri30%50%
  • 5938Sat
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 20% worse than the national average.
  • The pollution index in Dupo is 67% worse than the national average.

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Compare Dupo, IL Weather To Other Cities

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.
Cahokia, IL14,5746020%
Columbia, IL10,1936020%
Fairview Heights, IL16,7936020%
Madison, IL3,8256020%
Pontoon Beach, IL5,7536020%
Dupo, IL3,9666020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Hallsville, TX3,9663334%
Larned, KS3,966688%
Metzger, OR3,9673824%
Dewey-Humboldt, AZ3,9654118%
Iroquois Point, HI3,9673040%
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.