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Key findings

  • The highest monthly average temperature in Elgin for July is 73.7 degrees
  • The lowest monthly average temperature in Elgin for January is 23.8 degrees
  • The most monthly precipitation in Elgin occurs in May with 4.5 inches
  • The air quality index in Elgin is 11% worse than the national average
  • The pollution index in Elgin is 450% worse than the national average

Compare Elgin, IL Weather

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      Elgin 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
      January16°F32°F24°F1.4"
      February17°F34°F25°F1.2"
      March30°F49°F38°F2.2"
      April39°F62°F50°F3.8"
      May49°F73°F60°F4.5"
      June59°F82°F70°F4.4"
      July63°F85°F74°F4.1"
      August62°F83°F72°F3.8"
      September54°F77°F65°F3.4"
      October43°F64°F53°F3.1"
      November32°F50°F40°F1.9"
      December21°F36°F29°F2.1"

      Elgin 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.
      IndexElginIllinoisNational
      Air quality index554150
      Pollution index14,981,3003,148,6942,726,193

      Elgin air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      Elgin air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.020%
      Mercury0.010%

      Average monthly Elgin temperature with heat index

      Elgin monthly precipitation with daily maximum

      Elgin monthly snow depth with daily maximum

      Elgin monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Kaneville, IL4210100.0%
      Oakwood Hills, IL2,1153922.0%
      Lake in the Hills, IL28,9084216.0%
      Gilberts, IL7,4794216.0%
      Hampshire, IL5,7324216.0%
      Elgin, IL111,9195510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Carlsbad, CA112,0086428.0%
      Westminster, CO111,7705816.0%
      Clearwater, FL111,7474314.0%
      Lehigh Acres, FL112,2793628.0%
      Thunder Bay, ON111,499n/a 
      Elgin, IL111,9195510.0%
      Source: The Elgin, 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.