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Key findings

  • The highest monthly average temperature in Crestwood for July is 76 degrees
  • The lowest monthly average temperature in Crestwood for January is 26 degrees
  • The most monthly precipitation in Crestwood occurs in August with 5.1 inches
  • The air quality index in Crestwood is 11% worse than the national average
  • The pollution index in Crestwood is 69% better than the national average

Compare Crestwood, IL Weather

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      Crestwood 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
      January20°F34°F26°F1.9"
      February21°F36°F28°F1.6"
      March33°F49°F40°F2.4"
      April42°F62°F51°F3.6"
      May52°F73°F61°F4.3"
      June63°F82°F72°F4.6"
      July68°F86°F76°F3.5"
      August67°F83°F75°F5.1"
      September60°F77°F68°F2.8"
      October48°F65°F55°F3.9"
      November36°F51°F43°F2.2"
      December25°F37°F31°F2.2"

      Crestwood 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.
      IndexCrestwoodIllinoisNational
      Air quality index554150
      Pollution index1,558,0703,347,2955,066,862

      Crestwood 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

      Crestwood air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.010%
      Carbon Tetrachloride0.070%
      Lead0.090%
      Mercury0.010%

      Average monthly Crestwood temperature with heat index

      Crestwood monthly precipitation with daily maximum

      Crestwood monthly snow depth with daily maximum

      Crestwood monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Willow Springs, IL5,6775510%
      La Grange Park, IL13,5965510%
      Orland Park, IL58,6125510%
      Palos Hills, IL17,5455510%
      Berwyn, IL56,4145510%
      Crestwood, IL10,9895510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Martin, TN10,9892648%
      Leon Valley, TX10,990492%
      Trophy Club, TX10,987512%
      Canyon Lake, CA10,9858978%
      Browns Mills, NJ10,9834118%
      Crestwood, IL10,9895510%
      Source: The Crestwood, 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.