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Key findings

  • The highest monthly average temperature in Arlington for July is 75 degrees
  • The lowest monthly average temperature in Arlington for January is 26 degrees
  • The most monthly precipitation in Arlington occurs in August with 8.2 inches
  • The air quality index in Arlington is 100% better than the national average
  • The pollution index in Arlington is 59% better than the national average

Compare Arlington, IL Weather

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      Arlington 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°F34°F26°F3.3"
      February19°F35°F26°F3.0"
      March32°F51°F40°F4.3"
      April42°F64°F52°F7.2"
      May53°F75°F63°F8.0"
      June62°F83°F72°F7.5"
      July66°F85°F75°F7.1"
      August64°F83°F73°F8.2"
      September56°F78°F66°F6.3"
      October45°F65°F54°F6.6"
      November34°F51°F42°F4.3"
      December23°F37°F30°F3.5"

      Arlington 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.
      IndexArlingtonIllinoisNational
      Air quality index04150
      Pollution index2,097,7403,347,2955,066,862

      Arlington 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

      Arlington air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.300%

      Average monthly Arlington temperature with heat index

      Arlington monthly precipitation with daily maximum

      Arlington monthly snow depth with daily maximum

      Arlington monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cherry, IL4780100%
      Ohio, IL4700100%
      Granville, IL1,3050100%
      Tiskilwa, IL8920100%
      North Utica, IL1,4020100%
      Arlington, IL1990100%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Whites City, NM199476%
      Hyannis, NE1991962%
      Brogan, OR1993628%
      Garden, MI1993628%
      Refton, PA1994510%
      Arlington, IL1990100%
      Source: The Arlington, 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.