TODAY FEB27
TEMPERATURE37
HUMIDITY96
PRESSURE29.9
WIND COND.250 7.6
  • 5842Sat20%
  • 4926Sun
  • 4424Mon
  • 4833Tue
  • 5434Wed
daynightWeather update from Quincy Regional Airport-Baldwin Field at

Key findings

  • The highest monthly average temperature in Mount Sterling for July is 76 degrees
  • The lowest monthly average temperature in Mount Sterling for January is 28 degrees
  • The most monthly precipitation in Mount Sterling occurs in June with 6 inches
  • The air quality index in Mount Sterling is 18% better than the national average
  • The pollution index in Mount Sterling is 96% 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 index414150
      Pollution index222,6333,347,2955,066,862

      Mount Sterling air quality information

      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

      Mount Sterling air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Perry, IL3254118%
      Golden, IL6434118%
      Ripley, IL1224118%
      Mound Station, IL1584118%
      La Prairie, IL684118%
      Mount Sterling, IL2,1844118%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Pawnee, OK2,1844020%
      Lake Butler city, FL2,1853922%
      Eastpoint, FL2,1853824%
      Oakwood, PA2,1833138%
      Sac City, IA2,1853530%
      Mount Sterling, IL2,1844118%
      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.