TODAY MAY09
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6239Mon
  • 6238Tue
  • 6442Wed
  • 6644Thu
  • 7152Fri
daynightWeather update from Logan County Airport at

Key findings

  • The highest monthly average temperature in Hartsburg for July is 75.7 degrees
  • The lowest monthly average temperature in Hartsburg for January is 27.8 degrees
  • The most monthly precipitation in Hartsburg occurs in September with 11.5 inches
  • The air quality index in Hartsburg is 12% better than the national average
  • The pollution index in Hartsburg is 75% better than the national average

Compare Hartsburg, IL Weather

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      Hartsburg 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°F37°F28°F2.6"
      February21°F39°F29°F3.2"
      March34°F55°F43°F4.1"
      April44°F67°F55°F6.7"
      May54°F76°F65°F4.6"
      June63°F85°F74°F8.5"
      July66°F87°F76°F11.2"
      August64°F86°F74°F8.1"
      September56°F80°F67°F11.5"
      October46°F68°F56°F6.3"
      November34°F54°F43°F5.1"
      December25°F40°F32°F5.3"

      Hartsburg 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.
      IndexHartsburgIllinoisNational
      Air quality index444150
      Pollution index1,277,8903,347,2955,066,862

      Hartsburg air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality256
      Days with moderate air quality108
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Hartsburg air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.002%

      Average monthly Hartsburg temperature with heat index

      Hartsburg monthly precipitation with daily maximum

      Hartsburg monthly snow depth with daily maximum

      Hartsburg monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      New Holland, IL1874020%
      Lincoln, IL14,2534020%
      Mason City, IL2,2724020%
      Broadwell, IL1524020%
      Middletown, IL3234020%
      Hartsburg, IL2514412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Harmonsburg, PA2513432%
      Elizabethtown, OH251548%
      Bandana, KY2514412%
      Hendersonville, PA2515612%
      Alderson, OK2514314%
      Hartsburg, IL2514412%
      Source: The Hartsburg, 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.