TODAY MAR07
TEMPERATURE34
HUMIDITY80
PRESSURE30.37
WIND COND.130 5.4
  • 6440Sun
  • 6944Mon
  • 7053Tue
  • 6759Wed20%20%
  • 6751Thu60%70%
daynightWeather update from Sparta Community-Hunter Field Airport at

Key findings

  • The highest monthly average temperature in St. Libory for August is 80 degrees
  • The lowest monthly average temperature in St. Libory for December is 33 degrees
  • The most monthly precipitation in St. Libory occurs in September with 16.1 inches
  • The air quality index in St. Libory is 9% worse than the national average
  • The pollution index in St. Libory is 76% better than the national average

Compare St. Libory, IL Weather

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      St. Libory 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
      January28°F43°F34°F9.8"
      February26°F45°F34°F4.7"
      March38°F60°F48°F2.9"
      April45°F68°F56°F5.6"
      May56°F79°F67°F3.7"
      June65°F88°F76°F7.6"
      July67°F88°F77°F12.3"
      August70°F93°F80°F7.2"
      September61°F85°F72°F16.1"
      October49°F72°F59°F7.5"
      November38°F59°F47°F11.9"
      December27°F42°F33°F2.9"

      St. Libory 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.
      IndexSt. LiboryIllinoisNational
      Air quality index544150
      Pollution index1,232,9203,347,2955,066,862

      St. Libory 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

      St. Libory air quality information

      PollutantTotal
      Arsenic0.170%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.290%

      Average monthly St. Libory temperature with heat index

      St. Libory monthly precipitation with daily maximum

      St. Libory monthly snow depth with daily maximum

      St. Libory monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bartelso, IL6194314%
      Okawville, IL1,6204314%
      Oakdale, IL1814314%
      Addieville, IL3034314%
      Germantown, IL1,1594314%
      St. Libory, IL536548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Nordic, WY5364314%
      Arlington, KS5364020%
      Convent, LA5364118%
      Waldo, WI5363824%
      Cherry Valley, NY5362746%
      St. Libory, IL536548%
      Source: The St. Libory, 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.