TODAY MAY14
TEMPERATURE41
HUMIDITY93
PRESSURE30.33
WIND COND.
  • 7051Fri
  • 6753Sat50%40%
  • 6958Sun50%70%
  • 7259Mon80%60%
  • 7461Tue30%
daynightWeather update from Springfield - Abraham Lincoln Capital Airport at

Key findings

  • The highest monthly average temperature in Dawson for July is 76.6 degrees
  • The lowest monthly average temperature in Dawson for January is 28.5 degrees
  • The most monthly precipitation in Dawson occurs in June with 5.5 inches
  • The air quality index in Dawson is 20% better than the national average
  • The pollution index in Dawson is 1% worse than the national average

Compare Dawson, IL Weather

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      Dawson 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°F38°F29°F2.1"
      February22°F41°F31°F1.9"
      March34°F56°F44°F2.9"
      April44°F68°F56°F4.3"
      May54°F77°F65°F4.5"
      June64°F86°F74°F5.5"
      July66°F88°F77°F4.3"
      August64°F86°F75°F3.2"
      September57°F81°F68°F3.7"
      October46°F69°F56°F3.7"
      November36°F55°F45°F2.5"
      December26°F41°F33°F2.8"

      Dawson 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.
      IndexDawsonIllinoisNational
      Air quality index404150
      Pollution index5,136,0803,347,2955,066,862

      Dawson air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality287
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Dawson air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.090%
      Carbon Tetrachloride0.010%
      Lead0.390%
      Mercury0.020%

      Average monthly Dawson temperature with heat index

      Dawson monthly precipitation with daily maximum

      Dawson monthly snow depth with daily maximum

      Dawson monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Grandview, IL1,3884020%
      Rochester, IL3,6874020%
      Springfield, IL116,7454020%
      Cantrall, IL1214020%
      Athens, IL2,0134020%
      Dawson, IL5444020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Stoutsville, OH544468%
      Shelbyville, MO5444118%
      Murrayville, IL5444020%
      South Wallins, KY5443922%
      Strodes Mills, PA5444412%
      Dawson, IL5444020%
      Source: The Dawson, 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.