TODAY MAY13
TEMPERATURE51
HUMIDITY61
PRESSURE30.35
WIND COND.10 9.4
  • 6743Thu
  • 6950Fri
  • 7256Sat20%
  • 8062Sun
  • 7862Mon
daynightWeather update from Southern Illinois Airport at

Key findings

  • The highest monthly average temperature in Carbondale for August is 79.7 degrees
  • The lowest monthly average temperature in Carbondale for February is 35.9 degrees
  • The most monthly precipitation in Carbondale occurs in November with 11.1 inches
  • The air quality index in Carbondale is 14% better than the national average
  • The pollution index in Carbondale is 54% better than the national average

Compare Carbondale, IL Weather

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      Carbondale 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
      January30°F44°F36°F7.5"
      February28°F46°F36°F4.9"
      March38°F61°F49°F4.2"
      April45°F67°F56°F5.8"
      May55°F79°F67°F4.4"
      June65°F87°F76°F5.4"
      July66°F87°F76°F3.6"
      August69°F92°F80°F3.8"
      September60°F85°F71°F5.0"
      October48°F73°F59°F5.5"
      November38°F59°F48°F11.1"
      December28°F45°F36°F6.7"

      Carbondale 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.
      IndexCarbondaleIllinoisNational
      Air quality index434150
      Pollution index2,331,2203,347,2955,066,862

      Carbondale 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

      Carbondale air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.002%
      Mercury0.260%

      Average monthly Carbondale temperature with heat index

      Carbondale monthly precipitation with daily maximum

      Carbondale monthly snow depth with daily maximum

      Carbondale monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ava, IL6134314%
      Royalton, IL1,1244314%
      Carterville, IL5,7424314%
      Bush, IL2444314%
      Harrison, IL9654314%
      Carbondale, IL26,0664314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wasco, CA26,0616734%
      Plainview, NY26,087512%
      Key West, FL26,0393432%
      Xenia, OH26,105476%
      Rockledge, FL26,1443628%
      Carbondale, IL26,0664314%
      Source: The Carbondale, 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.