TODAY MAY08
TEMPERATURE68
HUMIDITY100
PRESSURE100580
WIND COND.130 7.6
  • 7750Thu30%
  • 7051Fri
  • 7450Sat
  • 7855Sun
  • 7958Mon
daynightWeather update from Marion - Williamson County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Benton for July is 78.6 degrees
  • The lowest monthly average temperature in Benton for January is 34.8 degrees
  • The most monthly precipitation in Benton occurs in June with 13.3 inches
  • The air quality index in Benton is 2% worse than the national average
  • The pollution index in Benton is 79% better than the national average

Compare Benton, IL Weather

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      Benton 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"

      Benton 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.
      IndexBentonIllinoisNational
      Air quality index434142
      Pollution index569,1783,148,6942,726,193

      Benton 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

      Benton air quality information

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

      Average monthly Benton temperature with heat index

      Benton monthly precipitation with daily maximum

      Benton monthly snow depth with daily maximum

      Benton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Christopher, IL2,6014314.0%
      Royalton, IL1,1074314.0%
      Bush, IL3034314.0%
      Hurst, IL7564314.0%
      Macedonia, IL414314.0%
      Benton, IL6,9774314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Decatur, TX6,9763334.0%
      Oak Ridge, NC6,9794314.0%
      Old Greenwich, CT6,9804314.0%
      King, NC6,9804510.0%
      Great Neck Plaza, NY6,980512.0%
      Benton, IL6,9774314.0%
      Source: The Benton, 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.