TODAY AUG19
TEMPERATURE69
HUMIDITY100
PRESSURE29.98
WIND COND.
  • 8569Sun
  • 8066Mon60%60%
  • 7960Tue30%20%
  • 7856Wed
  • 7959Thu
daynightWeather update from St. Louis Regional Airport at

Donnellson Average Weather

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"

Did you know?

  • The highest monthly average temperature in Donnellson for July is 76 degrees.
  • The lowest monthly average temperature in Donnellson for January is 29 degrees.
  • The most monthly precipitation in Donnellson occurs in April with 9.3 inches.
  • The air quality index in Donnellson is 20% worse than the national average.
  • The pollution index in Donnellson is 87% better than the national average.

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Compare Donnellson, IL Weather To Other Cities

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 index604150
Pollution index647,2803,347,2955,066,862

Donnellson air quality information

MeasurementTotal
Days measured365
Days with good air quality99
Days with moderate air quality231
Days w/ poor A.Q. for sensitive groups33
Days with unhealthy air quality2

Donnellson air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Butler, IL1543530%
Litchfield, IL6,9763530%
Hillsboro, IL7,2873530%
Irving, IL4143530%
Taylor Springs, IL4523530%
Donnellson, IL1766020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
White Horse, SD1764314%
Palmer, IL1763530%
Teton Village, WY1764020%
McClelland, IA176484%
McKeansburg, PA1764510%
Donnellson, IL1766020%
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.