TODAY JUL05
TEMPERATURE69
HUMIDITY90
PRESSURE30.01
WIND COND.20 7.6
  • 927120%
  • 9372Mon
  • 9372Tue30%30%
  • 9374Wed
  • 9472Thu30%50%
daynightWeather update from Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal at

Key findings

  • The highest monthly average temperature in Bloomington for July is 75 degrees
  • The lowest monthly average temperature in Bloomington for January is 26 degrees
  • The most monthly precipitation in Bloomington occurs in May with 5.5 inches
  • The air quality index in Bloomington is 12% better than the national average
  • The pollution index in Bloomington is 88% better than the national average

Compare Bloomington, IL Weather

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      Bloomington 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
      January18°F35°F26°F2.3"
      February19°F36°F27°F1.8"
      March32°F52°F41°F3.1"
      April42°F65°F53°F4.7"
      May53°F75°F63°F5.5"
      June63°F83°F73°F4.4"
      July65°F85°F75°F4.7"
      August63°F84°F73°F4.4"
      September56°F79°F66°F4.9"
      October45°F66°F54°F4.7"
      November33°F52°F42°F3.2"
      December23°F38°F30°F3.1"

      Bloomington 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.
      IndexBloomingtonIllinoisNational
      Air quality index444150
      Pollution index607,2623,347,2955,066,862

      Bloomington air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality256
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Bloomington air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Bloomington temperature with heat index

      Bloomington monthly precipitation with daily maximum

      Bloomington monthly snow depth with daily maximum

      Bloomington monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Hudson, IL1,7044412%
      McLean, IL7794412%
      Twin Grove, IL1,9294412%
      Atlanta, IL1,4154412%
      Danvers, IL1,2914412%
      Bloomington, IL78,3684412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hammond, IN78,3495510%
      St. George, UT78,5734412%
      Deerfield Beach, FL78,6424118%
      Silver Spring, MD78,038476%
      Lynchburg, VA78,7552648%
      Bloomington, IL78,3684412%
      Source: The Bloomington, 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.