TODAY NOV25
TEMPERATURE58
HUMIDITY
PRESSURE
WIND COND.190 14.8
  • 5827
  • 4434Tue
  • 4631Wed20%70%
  • 3820
  • 3518Fri
daynightWeather update from St. Louis Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Donnellson for July is 75.9 degrees
  • The lowest monthly average temperature in Donnellson for January is 29.4 degrees
  • The most monthly precipitation in Donnellson occurs in April with 9.3 inches
  • The air quality index in Donnellson is 28% worse than the national average
  • The pollution index in Donnellson is 76% better than the national average

Compare Donnellson, IL Weather

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      Donnellson 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"

      Donnellson 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.
      IndexDonnellsonIllinoisNational
      Air quality index544142
      Pollution index647,2803,148,6942,726,193

      Donnellson air quality

      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

      Air quality details

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

      Average monthly Donnellson temperature with heat index

      Donnellson monthly precipitation with daily maximum

      Donnellson monthly snow depth with daily maximum

      Donnellson monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Butler, IL2694020.0%
      Irving, IL3404020.0%
      Schram City, IL6334020.0%
      Mulberry Grove, IL8474020.0%
      Coffeen, IL6404020.0%
      Donnellson, IL114548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ridgeville, AL1144314.0%
      Fulton, AR1143922.0%
      Sweet Water Village, AZ1147448.0%
      Keomah Village, IA1143530.0%
      La Rose, IL1144118.0%
      Donnellson, IL114548.0%
      Source: The Donnellson, 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.