TODAY APR26
TEMPERATURE77
HUMIDITY57
PRESSURE101190
WIND COND.170 18.4
  • 8166Sat30%30%
  • 8364Sun40%
  • 7259Mon80%
  • 8062Tue
  • 8161Wed
daynightWeather update from Marion - Williamson County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Carterville for July is 78.6 degrees
  • The lowest monthly average temperature in Carterville for January is 34.8 degrees
  • The most monthly precipitation in Carterville occurs in June with 13.3 inches
  • The air quality index in Carterville is 2% worse than the national average
  • The pollution index in Carterville is 95% better than the national average

Compare Carterville, IL Weather

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      Carterville 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
      January27°F44°F35°F2.5"
      February29°F46°F37°F1.6"
      March40°F59°F49°F4.1"
      April50°F70°F59°F10.7"
      May58°F78°F68°F10.5"
      June67°F87°F77°F13.3"
      July70°F88°F79°F0.5"
      August68°F88°F77°F0.4"
      September61°F81°F70°F1.2"
      October50°F70°F59°F0.8"
      November39°F58°F48°F5.8"
      December32°F47°F39°F1.2"

      Carterville 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.
      IndexCartervilleIllinoisNational
      Air quality index434142
      Pollution index125,3593,148,6942,726,193

      Carterville air quality information

      MeasurementTotal
      Days measured344
      Days with good air quality269
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Carterville air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Carterville temperature with heat index

      Carterville monthly precipitation with daily maximum

      Carterville monthly snow depth with daily maximum

      Carterville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Dowell, IL3564314.0%
      Orient, IL4344314.0%
      Zeigler, IL1,7794314.0%
      Crainville, IL1,3724314.0%
      Spillertown, IL2414314.0%
      Carterville, IL5,8614314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      North Hobbs, NM5,8604510.0%
      Roseland, CA5,8593432.0%
      Chena Ridge, AK5,8633824.0%
      Finley, WA5,8583726.0%
      North Hills, NY5,867512.0%
      Carterville, IL5,8614314.0%
      Source: The Carterville, 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.