TODAY APR19
TEMPERATURE45
HUMIDITY80
PRESSURE102070
WIND COND.
  • 5739
  • 5335Sat
  • 5737Sun
  • 6449Mon
  • 6541Tue60%60%
daynightWeather update from Decatur Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mount Zion for August is 78.1 degrees
  • The lowest monthly average temperature in Mount Zion for February is 29.4 degrees
  • The most monthly precipitation in Mount Zion occurs in June with 8.1 inches
  • The air quality index in Mount Zion is 5% worse than the national average
  • The pollution index in Mount Zion is 74% better than the national average

Compare Mount Zion, IL Weather

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      Mount Zion 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
      January24°F38°F31°F6.8"
      February23°F37°F29°F3.4"
      March35°F56°F45°F3.0"
      April43°F65°F54°F4.2"
      May54°F78°F66°F3.1"
      June64°F86°F75°F8.1"
      July65°F86°F76°F4.0"
      August68°F89°F78°F3.9"
      September59°F85°F72°F7.7"
      October49°F71°F60°F7.1"
      November37°F56°F45°F6.1"
      December24°F37°F30°F2.5"

      Mount Zion 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.
      IndexMount ZionIllinoisNational
      Air quality index444142
      Pollution index703,2183,148,6942,726,193

      Mount Zion air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality255
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Mount Zion air quality information

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

      Average monthly Mount Zion temperature with heat index

      Mount Zion monthly precipitation with daily maximum

      Mount Zion monthly snow depth with daily maximum

      Mount Zion monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Warrensburg, IL1,2614412.0%
      Boody, IL4424412.0%
      Bethany, IL1,3114412.0%
      Long Creek, IL1,4544412.0%
      Argenta, IL1,0514412.0%
      Mount Zion, IL5,7074412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Savannah, TX5,708512.0%
      Nazareth, PA5,7054216.0%
      Aquia Harbour, VA5,709476.0%
      Cookshire-Eaton, QC5,709n/a 
      Denair, CA5,702492.0%
      Mount Zion, IL5,7074412.0%
      Source: The Mount Zion, 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.