TODAY MAR19
TEMPERATURE31
HUMIDITY62
PRESSURE101490
WIND COND.250 20.5
  • 4428Tue
  • 3418Wed
  • 3726Thu30%
  • 3924Fri
  • 3822Sat
daynightWeather update from Ionia County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Ionia for July is 76.2 degrees
  • The lowest monthly average temperature in Ionia for January is 26.5 degrees
  • The most monthly precipitation in Ionia occurs in August with 7.8 inches
  • The air quality index in Ionia is 10% better than the national average
  • The pollution index in Ionia is 49% better than the national average

Compare Ionia, MI 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
      January20°F33°F27°F1.2"
      February22°F34°F28°F1.3"
      March30°F48°F38°F5.9"
      April38°F58°F47°F5.4"
      May52°F72°F61°F4.9"
      June59°F80°F69°F6.0"
      July65°F87°F76°F6.0"
      August61°F82°F71°F7.8"
      September52°F72°F61°F6.1"
      October42°F63°F51°F3.5"
      November33°F50°F41°F4.7"
      December26°F36°F31°F2.5"

      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.
      IndexIoniaMichiganNational
      Air quality index386942
      Pollution index1,401,4504,161,6062,726,193

      Ionia air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality298
      Days with moderate air quality67
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Ionia air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.005%
      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.
      Carson City, MI1,0383628.0%
      Mulliken, MI5893628.0%
      Muir, MI7083628.0%
      Westphalia, MI8083628.0%
      Hubbardston, MI3453628.0%
      Ionia, MI11,1783824.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Weyburn, SK11,179n/a 
      East Glenville, NY11,1843726.0%
      Summit, IL11,1715510.0%
      Niles, MI11,1683922.0%
      Jefferson Hills, PA11,1665612.0%
      Ionia, MI11,1783824.0%
      Source: The Ionia, MI 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.