TODAY MAY29
TEMPERATURE57
HUMIDITY83
PRESSURE29.97
WIND COND.310 9.2
  • 6950Fri
  • 7151Sat
  • 7256Sun
  • 7565Mon30%
  • 8770Tue
daynightWeather update from Iowa City, Iowa City Municipal Airport at
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Iowa 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
January15°F32°F23°F1.0"
February17°F35°F25°F1.1"
March30°F51°F39°F2.4"
April41°F64°F52°F4.8"
May51°F74°F62°F4.6"
June62°F84°F73°F6.1"
July66°F86°F75°F4.7"
August64°F84°F73°F4.5"
September55°F78°F66°F3.3"
October43°F65°F53°F3.3"
November31°F51°F40°F1.9"
December19°F35°F27°F1.9"

Did you know?

  • The highest monthly average temperature in Iowa City for July is 75 degrees.
  • The lowest monthly average temperature in Iowa City for January is 23 degrees.
  • The most monthly precipitation in Iowa City occurs in June with 6.1 inches.
  • The air quality index in Iowa City is 16% better than the national average.
  • The pollution index in Iowa City is 83% better than the national average.

Compare Iowa City, IA Weather To Other Cities

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      Iowa 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.
      IndexIowa CityIowaNational
      Air quality index423950
      Pollution index876,9961,643,8365,066,862

      Iowa City air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality244
      Days with moderate air quality120
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Iowa City air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Iowa City temperature with heat index

      Iowa City monthly precipitation with daily maximum

      Iowa City monthly snow depth with daily maximum

      Iowa City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Hills, IA7304216%
      North Liberty, IA16,9844216%
      Solon, IA2,3994216%
      West Branch, IA2,5814216%
      Kalona, IA2,4794216%
      Iowa City, IA72,3854216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Waldorf, MD72,413492%
      Layton, UT72,413492%
      Rapid City, SD72,4414314%
      Canton, OH72,1633922%
      Goodyear, AZ72,6297448%
      Iowa City, IA72,3854216%
      Source: The Iowa City, 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.