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Key findings

  • The highest monthly average temperature in Mount Olive for July is 75.9 degrees
  • The lowest monthly average temperature in Mount Olive for January is 29.4 degrees
  • The most monthly precipitation in Mount Olive occurs in April with 9.3 inches
  • The air quality index in Mount Olive is 9% worse than the national average
  • The pollution index in Mount Olive is 87% better than the national average

Compare Mount Olive, IL Weather

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      Mount Olive 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
      January23°F38°F29°F3.3"
      February24°F40°F31°F3.5"
      March36°F55°F44°F3.9"
      April45°F67°F55°F9.3"
      May55°F75°F64°F5.6"
      June64°F84°F73°F7.9"
      July66°F86°F76°F5.0"
      August65°F86°F74°F5.1"
      September57°F80°F67°F6.0"
      October46°F68°F56°F5.6"
      November36°F54°F44°F3.6"
      December28°F42°F34°F3.6"

      Mount Olive 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 OliveIllinoisNational
      Air quality index544150
      Pollution index647,2803,347,2955,066,862

      Mount Olive air quality information

      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

      Mount Olive air quality information

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

      Average monthly Mount Olive temperature with heat index

      Mount Olive monthly precipitation with daily maximum

      Mount Olive monthly snow depth with daily maximum

      Mount Olive monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Litchfield, IL6,9764020%
      Taylor Springs, IL4524020%
      Carlinville, IL5,2974020%
      Butler, IL1544020%
      Hillsboro, IL7,2874020%
      Mount Olive, IL1,980548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Duson, LA1,9804118%
      Carrington, ND1,9803628%
      Ridgely, TN1,9802648%
      Manitou Beach-Devils Lake, MI1,9793922%
      Harbor, OR1,9812060%
      Mount Olive, IL1,980548%
      Source: The Mount Olive, 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.