TODAY NOV25
TEMPERATURE57
HUMIDITY83
PRESSURE101080
WIND COND.250 11.2
  • 4233Tue
  • 4431Wed40%70%
  • 3819
  • 3216Fri
  • 3113Sat
daynightWeather update from Decatur Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Dalton City for August is 78.1 degrees
  • The lowest monthly average temperature in Dalton City for February is 29.4 degrees
  • The most monthly precipitation in Dalton City occurs in June with 8.1 inches
  • The air quality index in Dalton City is 5% worse than the national average
  • The pollution index in Dalton City is 74% better than the national average

Compare Dalton City, IL Weather

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      Dalton City 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°F38°F31°F6.8"
      February23°F37°F29°F3.4"
      March35°F56°F45°F3.0"
      April43°F65°F54°F4.2"
      May54°F78°F66°F3.1"
      June64°F86°F75°F8.1"
      July65°F86°F76°F4.0"
      August68°F89°F78°F3.9"
      September59°F85°F72°F7.7"
      October49°F71°F60°F7.1"
      November37°F56°F45°F6.1"
      December24°F37°F30°F2.5"

      Dalton City 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.
      IndexDalton CityIllinoisNational
      Air quality index444142
      Pollution index703,2183,148,6942,726,193

      Dalton City air quality

      MeasurementTotal
      Days measured365
      Days with good air quality255
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Dalton City temperature with heat index

      Dalton City monthly precipitation with daily maximum

      Dalton City monthly snow depth with daily maximum

      Dalton City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Allenville, IL1334412.0%
      Assumption, IL1,1534412.0%
      Long Creek, IL1,4544412.0%
      Cerro Gordo, IL1,2754412.0%
      Boody, IL4424412.0%
      Dalton City, IL7174412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Elaine, AR7174314.0%
      Dennehotso, AZ717492.0%
      Crab Orchard, KY7173334.0%
      Casco, ME7173138.0%
      Napi Headquarters, NM717492.0%
      Dalton City, IL7174412.0%
      Source: The Dalton City, 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.