TODAY NOV21
TEMPERATURE34
HUMIDITY86
PRESSURE101490
WIND COND.310 35.3
  • 3924Fri
  • 4130Sat
  • 4727Sun
  • 3517Mon20%
  • 3018Tue
daynightWeather update from Charles City at
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Weather Quick Facts

  • The highest monthly average temperature in Ionia for July is 72.5 degrees
  • The lowest monthly average temperature in Ionia for January is 18.5 degrees
  • The most monthly precipitation in Ionia occurs in June with 6 inches
  • The air quality index in Ionia is 7% better than the national average
  • The pollution index in Ionia is 81% better than the national average

Compare Ionia, IA Weather

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      Ionia 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
      January12°F26°F18°F0.5"
      February13°F29°F20°F0.6"
      March29°F44°F35°F1.4"
      April40°F60°F48°F3.0"
      May50°F71°F60°F3.0"
      June60°F80°F69°F6.0"
      July63°F82°F72°F4.7"
      August61°F80°F70°F4.2"
      September53°F75°F63°F5.0"
      October42°F61°F50°F2.3"
      November30°F46°F37°F1.1"
      December16°F30°F23°F1.4"

      Ionia 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.
      IndexIoniaIowaNational
      Air quality index393942
      Pollution index530,4841,154,5352,726,193

      Ionia air quality

      MeasurementTotal
      Days measured363
      Days with good air quality286
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.002%
      Mercury0.000%

      Average monthly Ionia temperature with heat index

      Ionia monthly precipitation with daily maximum

      Ionia monthly snow depth with daily maximum

      Ionia monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Floyd, IA3101570.0%
      Colwell, IA601570.0%
      Alta Vista, IA2231570.0%
      Elma, IA5251570.0%
      North Washington, IA1721570.0%
      Ionia, IA2963922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Joe, AR2963628.0%
      Modale, IA2964020.0%
      Alma, IL2964314.0%
      Fillmore, IL2964020.0%
      Belcher, LA2963922.0%
      Ionia, IA2963922.0%
      Source: The Ionia, 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.