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Key findings

  • The highest monthly average temperature in Creve Coeur for July is 76 degrees
  • The lowest monthly average temperature in Creve Coeur for January is 26 degrees
  • The most monthly precipitation in Creve Coeur occurs in June with 5.4 inches
  • The air quality index in Creve Coeur is 18% better than the national average
  • The pollution index in Creve Coeur is 87% better than the national average

Compare Creve Coeur, IL Weather

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      Creve Coeur 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
      January17°F37°F26°F2.3"
      February18°F39°F28°F2.1"
      March31°F54°F42°F3.1"
      April41°F67°F54°F4.7"
      May51°F77°F64°F4.4"
      June62°F85°F73°F5.4"
      July65°F88°F76°F3.4"
      August64°F86°F74°F3.5"
      September56°F81°F68°F4.1"
      October44°F68°F55°F3.4"
      November33°F55°F43°F2.9"
      December22°F39°F30°F2.7"

      Creve Coeur 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.
      IndexCreve CoeurIllinoisNational
      Air quality index414150
      Pollution index672,0313,347,2955,066,862

      Creve Coeur air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality285
      Days with moderate air quality78
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Creve Coeur air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.020%

      Average monthly Creve Coeur temperature with heat index

      Creve Coeur monthly precipitation with daily maximum

      Creve Coeur monthly snow depth with daily maximum

      Creve Coeur monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Brimfield, IL9984118%
      Germantown Hills, IL3,4914118%
      Kingston Mines, IL3134118%
      Marquette Heights, IL2,8914118%
      North Pekin, IL1,4494118%
      Creve Coeur, IL5,6534118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Orchard Homes, MT5,6554020%
      Wyndmoor, PA5,655512%
      Covington, VA5,6503824%
      McKenzie, TN5,6502746%
      Tallassee, AL5,657524%
      Creve Coeur, IL5,6534118%
      Source: The Creve Coeur, 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.