TODAY MAY17
TEMPERATURE67
HUMIDITY100
PRESSURE30.06
WIND COND.100 7.6
  • 7661Mon30%70%
  • 7562Tue70%40%
  • 8264Wed20%20%
  • 8463Thu
  • 8563Fri
daynightWeather update from Mount Vernon, Mount Vernon Airport at

Key findings

  • The highest monthly average temperature in Bonnie for July is 76.7 degrees
  • The lowest monthly average temperature in Bonnie for January is 31.8 degrees
  • The most monthly precipitation in Bonnie occurs in August with 11 inches
  • The air quality index in Bonnie is 14% better than the national average
  • The pollution index in Bonnie is 89% better than the national average

Compare Bonnie, IL Weather

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      Bonnie 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°F42°F32°F3.7"
      February25°F44°F34°F3.5"
      March37°F58°F46°F5.2"
      April46°F70°F57°F8.7"
      May54°F77°F65°F6.1"
      June63°F87°F74°F8.3"
      July66°F89°F77°F8.1"
      August64°F88°F75°F11.0"
      September57°F81°F68°F5.5"
      October45°F70°F56°F5.6"
      November34°F56°F44°F7.5"
      December28°F45°F36°F6.9"

      Bonnie 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.
      IndexBonnieIllinoisNational
      Air quality index434150
      Pollution index569,1783,347,2955,066,862

      Bonnie air quality information

      MeasurementTotal
      Days measured344
      Days with good air quality269
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Bonnie air quality information

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

      Average monthly Bonnie temperature with heat index

      Bonnie monthly precipitation with daily maximum

      Bonnie monthly snow depth with daily maximum

      Bonnie monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Belle Rive, IL3244314%
      Macedonia, IL824314%
      Valier, IL6014314%
      Waltonville, IL4124314%
      Keenes, IL604314%
      Bonnie, IL3754314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lexa, AR3754510%
      Sadorus, IL3754216%
      Hannibal, OH3753922%
      Montrose, MO375476%
      Clarksville, MI3753824%
      Bonnie, IL3754314%
      Source: The Bonnie, 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.