TODAY MAY29
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7754Fri30%
  • 7456Sat
  • 7555Sun
  • 7760Mon
  • 8768Tue
daynightWeather update from Centralia Municipal Airport at
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Centralia 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°F5.0"
February26°F43°F34°F3.4"
March38°F58°F47°F4.9"
April47°F69°F57°F9.7"
May57°F77°F66°F7.4"
June66°F87°F76°F8.6"
July68°F89°F78°F6.6"
August66°F88°F76°F8.7"
September58°F81°F68°F7.6"
October47°F70°F58°F7.1"
November37°F57°F46°F6.0"
December30°F45°F36°F6.6"

Did you know?

  • The highest monthly average temperature in Centralia for July is 78 degrees.
  • The lowest monthly average temperature in Centralia for January is 32 degrees.
  • The most monthly precipitation in Centralia occurs in April with 9.7 inches.
  • The air quality index in Centralia is 22% better than the national average.
  • The pollution index in Centralia is 87% better than the national average.

Compare Centralia, IL Weather To Other Cities

      vs

      Centralia 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.
      IndexCentraliaIllinoisNational
      Air quality index394150
      Pollution index647,2803,347,2955,066,862

      Centralia air quality information

      MeasurementTotal
      Days measured243
      Days with good air quality204
      Days with moderate air quality39
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Centralia air quality information

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

      Average monthly Centralia temperature with heat index

      Centralia monthly precipitation with daily maximum

      Centralia monthly snow depth with daily maximum

      Centralia monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Ashley, IL5533922%
      Hoffman, IL4863922%
      Junction City, IL4553922%
      New Minden, IL1983922%
      Sandoval, IL1,2373922%
      Centralia, IL12,6963922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sylacauga, AL12,6963824%
      Wakefield, VA12,697492%
      Weigelstown, PA12,6934510%
      Woodward, OK12,693688%
      Middle Valley, TN12,6994412%
      Centralia, IL12,6963922%
      Source: The Centralia, 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.