TODAY JUL05
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 917120%20%
  • 9273Mon20%40%
  • 9173Tue30%30%
  • 9174Wed20%20%
  • 9374Thu20%40%
daynightWeather update from St. Louis Regional Airport at

Key findings

  • The highest monthly average temperature in Roxana for July is 77 degrees
  • The lowest monthly average temperature in Roxana for January is 31 degrees
  • The most monthly precipitation in Roxana occurs in July with 7.3 inches
  • The air quality index in Roxana is 9% worse than the national average
  • The pollution index in Roxana is 67% worse than the national average

Compare Roxana, IL Weather

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      Roxana 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
      January24°F41°F31°F3.4"
      February25°F43°F33°F3.7"
      March38°F57°F46°F3.1"
      April47°F68°F56°F6.6"
      May56°F76°F65°F6.1"
      June65°F85°F75°F3.5"
      July67°F87°F77°F7.3"
      August66°F86°F75°F6.8"
      September58°F80°F68°F4.4"
      October47°F68°F57°F6.7"
      November36°F56°F45°F4.9"
      December28°F43°F35°F6.3"

      Roxana 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.
      IndexRoxanaIllinoisNational
      Air quality index544150
      Pollution index8,473,0503,347,2955,066,862

      Roxana air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Roxana air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.010%
      Mercury0.010%

      Average monthly Roxana temperature with heat index

      Roxana monthly precipitation with daily maximum

      Roxana monthly snow depth with daily maximum

      Roxana monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Caseyville, IL4,263548%
      Edwardsville, IL25,044548%
      Granite City, IL29,662548%
      Madison, IL3,825548%
      Pontoon Beach, IL5,753548%
      Roxana, IL1,800548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Havana, FL1,8004020%
      Johnsonville, SC1,8004020%
      Guyton, GA1,8003922%
      Oberlin, KS1,8001962%
      Kayak Point, WA1,8002452%
      Roxana, IL1,800548%
      Source: The Roxana, 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.