TODAY AUG19
TEMPERATURE84
HUMIDITY62
PRESSURE29.94
WIND COND.360 9.2
  • 8671Sun
  • 8269Mon60%60%
  • 8064Tue20%20%
  • 8060Wed
  • 8160Thu
daynightWeather update from Marion - Williamson County Regional Airport at

McLeansboro 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
January27°F43°F34°F5.0"
February28°F46°F36°F4.8"
March39°F59°F48°F4.5"
April48°F70°F58°F10.6"
May57°F78°F67°F6.0"
June66°F87°F76°F7.6"
July67°F88°F77°F6.8"
August65°F87°F76°F5.4"
September58°F82°F69°F6.5"
October47°F71°F58°F3.5"
November37°F58°F47°F6.2"
December31°F47°F38°F8.9"

Did you know?

  • The highest monthly average temperature in McLeansboro for July is 77 degrees.
  • The lowest monthly average temperature in McLeansboro for January is 34 degrees.
  • The most monthly precipitation in McLeansboro occurs in April with 10.6 inches.
  • The air quality index in McLeansboro is 21% better than the national average.
  • The pollution index in McLeansboro is 11% better than the national average.

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Compare McLeansboro, IL Weather To Other Cities

McLeansboro 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.
IndexMcLeansboroIllinoisNational
Air quality index394150
Pollution index4,489,3403,347,2955,066,862

McLeansboro air quality information

MeasurementTotal
Days measured243
Days with good air quality204
Days with moderate air quality39
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

McLeansboro air quality information

PollutantTotal
Arsenic0.080%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.020%
Mercury0.050%

Average monthly McLeansboro temperature with heat index

McLeansboro monthly precipitation with daily maximum

McLeansboro monthly snow depth with daily maximum

McLeansboro monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Dahlgren, IL4023922%
Norris City, IL1,3013922%
Thompsonville, IL6453922%
Belle Prairie City, IL633922%
Enfield, IL5333922%
McLeansboro, IL2,8013922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Wolf Point, MT2,8014118%
Lake View, AL2,8013040%
Koloa, HI2,8001570%
Cave Springs, AR2,8033922%
Wimberley, TX2,7994118%
McLeansboro, IL2,8013922%
Source: The McLeansboro, 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.