TODAY NOV21
TEMPERATURE39
HUMIDITY56
PRESSURE101660
WIND COND.
  • 4930Fri
  • 5436Sat
  • 6453Sun
  • 6532Mon
  • 4830Tue
daynightWeather update from Marion - Williamson County Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Vienna for July is 77.7 degrees
  • The lowest monthly average temperature in Vienna for January is 35.7 degrees
  • The most monthly precipitation in Vienna occurs in April with 8.6 inches
  • The air quality index in Vienna is 5% worse than the national average
  • The pollution index in Vienna is 95% better than the national average

Compare Vienna, IL Weather

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      Vienna 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°F46°F36°F5.4"
      February30°F48°F38°F3.9"
      March40°F60°F49°F7.8"
      April49°F72°F60°F8.6"
      May58°F79°F67°F6.3"
      June67°F88°F77°F6.6"
      July69°F88°F78°F6.4"
      August67°F88°F77°F6.0"
      September59°F82°F70°F5.5"
      October48°F72°F59°F5.5"
      November38°F59°F47°F5.8"
      December32°F48°F39°F6.3"

      Vienna 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.
      IndexViennaIllinoisNational
      Air quality index444142
      Pollution index125,3593,148,6942,726,193

      Vienna air quality

      MeasurementTotal
      Days measured364
      Days with good air quality261
      Days with moderate air quality103
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Vienna temperature with heat index

      Vienna monthly precipitation with daily maximum

      Vienna monthly snow depth with daily maximum

      Vienna monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Buncombe, IL2834412.0%
      New Grand Chain, IL1724412.0%
      New Burnside, IL1324412.0%
      Cypress, IL2164412.0%
      Stonefort, IL3244412.0%
      Vienna, IL1,5874412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gasport, NY1,5873922.0%
      Saint-Jean-de-Dieu, QC1,587n/a 
      Mulberry, AR1,5863628.0%
      Rehoboth Beach, DE1,5883628.0%
      Dimondale, MI1,5883628.0%
      Vienna, IL1,5874412.0%
      Source: The Vienna, 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.