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Key findings

  • The highest monthly average temperature in Fairbury for July is 74.7 degrees
  • The lowest monthly average temperature in Fairbury for January is 26.6 degrees
  • The most monthly precipitation in Fairbury occurs in July with 10.4 inches
  • The air quality index in Fairbury is 12% better than the national average
  • The pollution index in Fairbury is 53% worse than the national average

Compare Fairbury, IL Weather

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      Fairbury 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
      January19°F35°F27°F3.7"
      February20°F37°F28°F2.9"
      March33°F52°F41°F4.7"
      April42°F66°F53°F5.6"
      May54°F76°F64°F6.5"
      June63°F84°F73°F7.6"
      July65°F85°F75°F10.4"
      August62°F83°F72°F7.8"
      September55°F79°F66°F7.6"
      October44°F66°F54°F4.3"
      November34°F53°F42°F5.5"
      December24°F39°F31°F3.5"

      Fairbury 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.
      IndexFairburyIllinoisNational
      Air quality index444150
      Pollution index7,745,2003,347,2955,066,862

      Fairbury 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

      Fairbury air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.860%
      Mercury0.210%

      Average monthly Fairbury temperature with heat index

      Fairbury monthly precipitation with daily maximum

      Fairbury monthly snow depth with daily maximum

      Fairbury monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Kempton, IL1500100%
      Saunemin, IL3310100%
      Cullom, IL5950100%
      Melvin, IL5504216%
      Colfax, IL1,0814412%
      Fairbury, IL3,6104412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ozark, AR3,6103628%
      Warm Springs, OR3,6092354%
      Melrose, MN3,6093236%
      Two Harbors, MN3,6083530%
      Wellsville, UT3,6124412%
      Fairbury, IL3,6104412%
      Source: The Fairbury, 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.