TODAY AUG19
TEMPERATURE66
HUMIDITY100
PRESSURE29.96
WIND COND.
  • 8366Mon70%50%
  • 8062Tue
  • 8058Wed
  • 8161Thu
  • 8466Fri20%
daynightWeather update from Farmington Airport at

Irondale Average Weather

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"

Did you know?

  • The highest monthly average temperature in Irondale for July is 77 degrees.
  • The lowest monthly average temperature in Irondale for January is 33 degrees.
  • The most monthly precipitation in Irondale occurs in August with 9.8 inches.
  • The air quality index in Irondale is 20% worse than the national average.
  • The pollution index in Irondale is 85% better than the national average.

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Compare Irondale, MO Weather To Other Cities

Irondale 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.
IndexIrondaleMissouriNational
Air quality index609750
Pollution index753,4732,360,5665,066,862

Irondale air quality information

MeasurementTotal
Days measured365
Days with good air quality99
Days with moderate air quality231
Days w/ poor A.Q. for sensitive groups33
Days with unhealthy air quality2

Irondale air quality information

PollutantTotal
Arsenic0.001%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.020%
Mercury0.020%

Average monthly Irondale temperature with heat index

Irondale monthly precipitation with daily maximum

Irondale monthly snow depth with daily maximum

Irondale monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Leadwood, MO1,3186020%
Potosi, MO2,6616020%
Bonne Terre, MO7,1096020%
Farmington, MO17,8816020%
Mineral Point, MO4576020%
Irondale, MO4206020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Warwick, GA4204314%
Versailles, IL4203432%
Lefors, TX4204020%
Stonefort, IL4203628%
Sparland, IL420484%
Irondale, MO4206020%
Source: The Irondale, 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.