TODAY DEC23
TEMPERATURE35
HUMIDITY69
PRESSURE102510
WIND COND.170 20.5
  • 4638Mon30%
  • 4639Tue50%80%
  • 504340%
  • 5649Thu50%
  • 5948Fri50%40%
daynightWeather update from Farmington Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Ironton for July is 76.9 degrees
  • The lowest monthly average temperature in Ironton for January is 33.1 degrees
  • The most monthly precipitation in Ironton occurs in August with 9.8 inches
  • The air quality index in Ironton is 28% worse than the national average
  • The pollution index in Ironton is 40% better than the national average

Compare Ironton, MO Weather

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      Ironton 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
      January25°F44°F33°F5.3"
      February27°F47°F35°F4.6"
      March37°F59°F47°F6.2"
      April47°F69°F57°F9.5"
      May55°F76°F65°F8.4"
      June64°F86°F74°F6.1"
      July67°F88°F77°F9.0"
      August66°F87°F75°F9.8"
      September58°F80°F68°F7.6"
      October47°F69°F57°F7.0"
      November37°F57°F46°F8.3"
      December28°F45°F36°F4.6"

      Ironton 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.
      IndexIrontonMissouriNational
      Air quality index549742
      Pollution index1,622,5701,630,2552,726,193

      Ironton air quality

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.230%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.770%
      Mercury0.210%

      Average monthly Ironton temperature with heat index

      Ironton monthly precipitation with daily maximum

      Ironton monthly snow depth with daily maximum

      Ironton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bismarck, MO1,731548.0%
      Iron Mountain Lake, MO705548.0%
      Caledonia, MO190548.0%
      Arcadia, MO619548.0%
      Doe Run, MO657548.0%
      Ironton, MO1,602548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Seabrook Farms, NJ1,6024020.0%
      Cottonwood Shores, TX1,6024412.0%
      Enterprise, UT1,6024412.0%
      Cleveland, QC1,602n/a 
      Woodmont, CT1,6014118.0%
      Ironton, MO1,602548.0%
      Source: The Ironton, MO 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.