TODAY MAY13
TEMPERATURE39
HUMIDITY76
PRESSURE30.43
WIND COND.
  • 6745Thu
  • 6550Fri60%
  • 6552Sat60%30%
  • 6957Sun30%60%
  • 7256Mon50%30%
daynightWeather update from Iowa City, Iowa City Municipal Airport at

Key findings

  • The highest monthly average temperature in Iowa City for July is 75.4 degrees
  • The lowest monthly average temperature in Iowa City for January is 22.5 degrees
  • The most monthly precipitation in Iowa City occurs in June with 6.1 inches
  • The air quality index in Iowa City is 30% better than the national average
  • The pollution index in Iowa City is 83% better than the national average

Compare Iowa City, IA Weather

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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"

      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 index353950
      Pollution index876,9961,643,8365,066,862

      Iowa City air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality278
      Days with moderate air quality86
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      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.
      West Liberty, IA3,7373236%
      Nichols, IA3603236%
      Oxford, IA8743530%
      Lone Tree, IA1,4823530%
      Solon, IA2,3993530%
      Iowa City, IA72,3853530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Waldorf, MD72,413476%
      Layton, UT72,4134510%
      Rapid City, SD72,4414412%
      Canton, OH72,163468%
      Goodyear, AZ72,6297448%
      Iowa City, IA72,3853530%
      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.