TODAY NOV21
TEMPERATURE42
HUMIDITY55
PRESSURE101420
WIND COND.290 25.9
  • 4632Fri
  • 5037Sat
  • 6149Sun30%
  • 5828Mon30%
  • 4332Tue20%
daynightWeather update from Centralia Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Aviston for August is 80 degrees
  • The lowest monthly average temperature in Aviston for December is 33.3 degrees
  • The most monthly precipitation in Aviston occurs in September with 16.1 inches
  • The air quality index in Aviston is 28% worse than the national average
  • The pollution index in Aviston is 76% better than the national average

Compare Aviston, IL Weather

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      Aviston 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
      January28°F43°F34°F9.8"
      February26°F45°F34°F4.7"
      March38°F60°F48°F2.9"
      April45°F68°F56°F5.6"
      May56°F79°F67°F3.7"
      June65°F88°F76°F7.6"
      July67°F88°F77°F12.3"
      August70°F93°F80°F7.2"
      September61°F85°F72°F16.1"
      October49°F72°F59°F7.5"
      November38°F59°F47°F11.9"
      December27°F42°F33°F2.9"

      Aviston 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.
      IndexAvistonIllinoisNational
      Air quality index544142
      Pollution index647,2803,148,6942,726,193

      Aviston air quality

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Air quality details

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

      Average monthly Aviston temperature with heat index

      Aviston monthly precipitation with daily maximum

      Aviston monthly snow depth with daily maximum

      Aviston monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Carlyle, IL3,5954314.0%
      Bartelso, IL7894314.0%
      New Minden, IL1854314.0%
      Beckemeyer, IL1,0544314.0%
      Germantown, IL1,2794314.0%
      Aviston, IL2,173548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cambridge, IL2,173468.0%
      Pinedale, WY2,1734314.0%
      Point Edward, ON2,173n/a 
      Indian Springs, GA2,172468.0%
      Cherryvale, KS2,1723824.0%
      Aviston, IL2,173548.0%
      Source: The Aviston, 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.