TODAY JUN13
TEMPERATURE79
HUMIDITY52
PRESSURE101020
WIND COND.200 13
  • 9163Thu20%60%
  • 8457Fri
  • 8367Sat
  • 9073Sun
  • 9273Mon
daynightWeather update from Aurora Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Millbrook for July is 73 degrees
  • The lowest monthly average temperature in Millbrook for January is 23.1 degrees
  • The most monthly precipitation in Millbrook occurs in June with 4.5 inches
  • The air quality index in Millbrook is 100% better than the national average
  • The pollution index in Millbrook is 31% better than the national average

Compare Millbrook, IL Weather

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      Millbrook 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
      January15°F32°F23°F1.5"
      February16°F34°F24°F1.4"
      March29°F49°F38°F2.3"
      April39°F62°F50°F3.9"
      May49°F73°F61°F4.3"
      June59°F82°F70°F4.5"
      July62°F84°F73°F4.3"
      August60°F82°F71°F4.3"
      September53°F77°F64°F2.9"
      October42°F64°F52°F3.6"
      November30°F50°F40°F2.1"
      December20°F36°F28°F2.2"

      Millbrook 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.
      IndexMillbrookIllinoisNational
      Air quality index04142
      Pollution index1,874,4903,148,6942,726,193

      Millbrook air quality information

      MeasurementTotal
      Days measured335
      Days with good air quality334
      Days with moderate air quality1
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Millbrook air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly Millbrook temperature with heat index

      Millbrook monthly precipitation with daily maximum

      Millbrook monthly snow depth with daily maximum

      Millbrook monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Newark, IL1,3250100.0%
      Millington, IL6620100.0%
      Channahon, IL13,2810100.0%
      Sugar Grove, IL9,7560100.0%
      Plano, IL11,0580100.0%
      Millbrook, IL3570100.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Shonto, AZ3574510.0%
      Chacra, CO3574412.0%
      City of Creede, CO3574412.0%
      La Crosse, FL3573530.0%
      Sadorus, IL3574216.0%
      Millbrook, IL3570100.0%
      Source: The Millbrook, 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.