TODAY NOV25
TEMPERATURE48
HUMIDITY80
PRESSURE101360
WIND COND.330 18.4
  • 4335Tue
  • 4527Wed40%40%
  • 3619
  • 3218Fri
  • 3113Sat30%
daynightWeather update from Quincy Regional Airport-Baldwin Field at
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Weather Quick Facts

  • The highest monthly average temperature in Mount Sterling for July is 75.9 degrees
  • The lowest monthly average temperature in Mount Sterling for January is 27.5 degrees
  • The most monthly precipitation in Mount Sterling occurs in June with 6 inches
  • The air quality index in Mount Sterling is 3% better than the national average
  • The pollution index in Mount Sterling is 92% better than the national average

Compare Mount Sterling, IL Weather

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      Mount Sterling 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
      January20°F37°F28°F2.1"
      February21°F38°F29°F2.0"
      March34°F54°F43°F3.0"
      April44°F66°F55°F4.3"
      May54°F74°F63°F3.7"
      June64°F84°F74°F6.0"
      July66°F86°F76°F4.5"
      August66°F86°F75°F4.2"
      September57°F79°F67°F4.3"
      October45°F64°F54°F3.9"
      November36°F54°F44°F2.7"
      December23°F38°F29°F2.4"

      Mount Sterling 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 SterlingIllinoisNational
      Air quality index414142
      Pollution index222,6333,148,6942,726,193

      Mount Sterling air quality

      MeasurementTotal
      Days measured241
      Days with good air quality208
      Days with moderate air quality33
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.002%
      Mercury0.000%

      Average monthly Mount Sterling temperature with heat index

      Mount Sterling monthly precipitation with daily maximum

      Mount Sterling monthly snow depth with daily maximum

      Mount Sterling monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Perry, IL2744118.0%
      Golden, IL6894118.0%
      Ripley, IL484118.0%
      Mound Station, IL1414118.0%
      La Prairie, IL644118.0%
      Mount Sterling, IL2,2204118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cheney, KS2,2194020.0%
      Kellogg, ID2,2214314.0%
      Spruce Pine, NC2,2212648.0%
      Byesville, OH2,2213922.0%
      Walton Hills, OH2,22150= 100
      Mount Sterling, IL2,2204118.0%
      Source: The Mount Sterling, 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.