TODAY JUN01
TEMPERATURE82
HUMIDITY51
PRESSURE29.97
WIND COND.
  • 9070Tue20%
  • 8663Wed40%40%
  • 8667Thu40%
  • 8463Fri40%30%
  • 8261Sat
daynightWeather update from Clinton, Clinton Municipal Airport at
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DeWitt 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
January13°F31°F21°F2.9"
February15°F33°F23°F2.6"
March29°F49°F38°F4.2"
April39°F62°F50°F6.5"
May51°F74°F61°F6.2"
June61°F82°F71°F7.9"
July64°F84°F73°F6.6"
August61°F82°F71°F9.8"
September53°F76°F64°F6.2"
October42°F64°F52°F6.1"
November30°F50°F39°F4.3"
December19°F34°F26°F4.0"

Did you know?

  • The highest monthly average temperature in DeWitt for July is 73 degrees.
  • The lowest monthly average temperature in DeWitt for January is 21 degrees.
  • The most monthly precipitation in DeWitt occurs in August with 9.8 inches.
  • The air quality index in DeWitt is 7% worse than the national average.
  • The pollution index in DeWitt is 69% better than the national average.

Compare DeWitt, IA Weather To Other Cities

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      DeWitt 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.
      IndexDeWittIowaNational
      Air quality index533950
      Pollution index1,592,9101,643,8365,066,862

      DeWitt air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality158
      Days with moderate air quality204
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality

      DeWitt air quality information

      PollutantTotal
      Arsenic0.090%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.010%

      Average monthly DeWitt temperature with heat index

      DeWitt monthly precipitation with daily maximum

      DeWitt monthly snow depth with daily maximum

      DeWitt monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Camanche, IA4,368536%
      Cordova, IL645536%
      Charlotte, IA404536%
      Andover, IA113536%
      Delmar, IA497536%
      DeWitt, IA5,264536%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Shillington, PA5,2654510%
      Lucerne Valley, CA5,2638570%
      Williamsburg, KY5,2633628%
      Bliss Corner, MA5,2664510%
      Gray, LA5,2623432%
      DeWitt, IA5,264536%
      Source: The DeWitt, IA 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.