TODAY MAY14
TEMPERATURE41
HUMIDITY100
PRESSURE30.35
WIND COND. 5.4
  • 6955Sat40%50%
  • 7061Sun60%80%
  • 7160Mon80%60%
  • 7463Tue40%50%
  • 7664Wed50%50%
daynightWeather update from St. Louis Regional Airport at

Key findings

  • The highest monthly average temperature in Pierron for July is 77.9 degrees
  • The lowest monthly average temperature in Pierron for January is 31.8 degrees
  • The most monthly precipitation in Pierron occurs in April with 10.2 inches
  • The air quality index in Pierron is 9% worse than the national average
  • The pollution index in Pierron is 87% better than the national average

Compare Pierron, IL Weather

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      Pierron 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
      January23°F42°F32°F5.6"
      February25°F45°F34°F3.8"
      March37°F59°F47°F7.1"
      April47°F70°F57°F10.2"
      May56°F77°F66°F8.9"
      June65°F87°F76°F9.2"
      July68°F89°F78°F8.0"
      August66°F88°F76°F7.8"
      September58°F82°F69°F8.4"
      October47°F70°F57°F8.6"
      November36°F57°F46°F6.9"
      December28°F45°F36°F8.2"

      Pierron 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.
      IndexPierronIllinoisNational
      Air quality index544150
      Pollution index647,2803,347,2955,066,862

      Pierron 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

      Pierron air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Pierron temperature with heat index

      Pierron monthly precipitation with daily maximum

      Pierron monthly snow depth with daily maximum

      Pierron monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Smithboro, IL1714020%
      Beckemeyer, IL9814314%
      Breese, IL4,5904314%
      Greenville, IL6,8334314%
      Carlyle, IL3,3034314%
      Pierron, IL391548%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Crown City, OH3914216%
      Townsend, TN3914412%
      Jenkins, MN3912942%
      Underwood, MN3913334%
      Westminster, OH3913922%
      Pierron, IL391548%
      Source: The Pierron, 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.