TODAY MAY06
TEMPERATURE57
HUMIDITY65
PRESSURE30.15
WIND COND.300 5.4
  • 6742Thu30%50%
  • 6645Fri
  • 6049Sat60%
  • 6144Sun80%60%
  • 6344Mon
daynightWeather update from Olney-Noble Airport at

Key findings

  • The highest monthly average temperature in Calhoun for July is 76.4 degrees
  • The lowest monthly average temperature in Calhoun for January is 32.3 degrees
  • The most monthly precipitation in Calhoun occurs in April with 9.5 inches
  • The air quality index in Calhoun is 28% better than the national average
  • The pollution index in Calhoun is 90% better than the national average

Compare Calhoun, IL Weather

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      Calhoun 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
      January25°F41°F32°F3.3"
      February27°F43°F34°F2.1"
      March38°F57°F46°F4.7"
      April48°F70°F58°F9.5"
      May58°F78°F67°F4.8"
      June66°F86°F75°F2.2"
      July67°F87°F76°F8.0"
      August65°F86°F75°F1.7"
      September57°F81°F68°F5.4"
      October47°F70°F57°F1.8"
      November37°F56°F45°F6.7"
      December30°F44°F36°F2.5"

      Calhoun 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.
      IndexCalhounIllinoisNational
      Air quality index364150
      Pollution index500,0043,347,2955,066,862

      Calhoun air quality information

      MeasurementTotal
      Days measured359
      Days with good air quality328
      Days with moderate air quality31
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Calhoun air quality information

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

      Average monthly Calhoun temperature with heat index

      Calhoun monthly precipitation with daily maximum

      Calhoun monthly snow depth with daily maximum

      Calhoun monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      West Salem, IL8583628%
      Sumner, IL5,0943628%
      Bone Gap, IL2233628%
      Claremont, IL2723628%
      Parkersburg, IL1463628%
      Calhoun, IL1843628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ruth, CA1844216%
      Sidney, AR1843628%
      Cleveland, VA1844510%
      Odessa, MN1842550%
      Torreon CDP (Torrance County), NM184884%
      Calhoun, IL1843628%
      Source: The Calhoun, 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.