TODAY MAY13
TEMPERATURE46
HUMIDITY78
PRESSURE30.36
WIND COND.
  • 6742Thu
  • 6949Fri
  • 7256Sat20%
  • 7861Sun
  • 7861Mon
daynightWeather update from Marion - Williamson County Regional Airport at

Key findings

  • The highest monthly average temperature in West Frankfort for July is 78.6 degrees
  • The lowest monthly average temperature in West Frankfort for January is 34.8 degrees
  • The most monthly precipitation in West Frankfort occurs in June with 13.3 inches
  • The air quality index in West Frankfort is 14% better than the national average
  • The pollution index in West Frankfort is 98% better than the national average

Compare West Frankfort, IL Weather

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      West Frankfort 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"

      West Frankfort 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.
      IndexWest FrankfortIllinoisNational
      Air quality index434150
      Pollution index125,3593,347,2955,066,862

      West Frankfort 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

      West Frankfort air quality information

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

      Average monthly West Frankfort temperature with heat index

      West Frankfort monthly precipitation with daily maximum

      West Frankfort monthly snow depth with daily maximum

      West Frankfort monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Valier, IL6014314%
      Buckner, IL4674314%
      Orient, IL3504314%
      Cambria, IL1,3374314%
      Energy, IL1,1664314%
      West Frankfort, IL7,9414314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Downingtown, PA7,9404216%
      Carnegie, PA7,9445612%
      West Long Branch, NJ7,947512%
      Mahopac, NY7,9343628%
      Dexter, MO7,9342648%
      West Frankfort, IL7,9414314%
      Source: The West Frankfort, 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.