TODAY FEB28
TEMPERATURE53
HUMIDITY100
PRESSURE29.81
WIND COND.160 9.4
  • 4623Mon
  • 4529Tue
  • 5533Wed
  • 5734Thu
  • 5129Fri
daynightWeather update from Mattoon / Charleston, Coles County Memorial Airport at

Key findings

  • The highest monthly average temperature in Humboldt for August is 77 degrees
  • The lowest monthly average temperature in Humboldt for February is 29 degrees
  • The most monthly precipitation in Humboldt occurs in October with 8.2 inches
  • The air quality index in Humboldt is 16% better than the national average
  • The pollution index in Humboldt is 71% better than the national average

Compare Humboldt, IL Weather

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      Humboldt 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°F39°F31°F6.1"
      February23°F37°F29°F2.4"
      March37°F55°F45°F4.1"
      April44°F65°F53°F3.9"
      May55°F77°F65°F2.6"
      June64°F85°F75°F4.7"
      July65°F86°F75°F8.2"
      August68°F88°F77°F7.2"
      September59°F83°F71°F8.1"
      October49°F69°F58°F8.2"
      November36°F54°F44°F3.6"
      December25°F38°F31°F2.6"

      Humboldt 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.
      IndexHumboldtIllinoisNational
      Air quality index424150
      Pollution index1,494,1603,347,2955,066,862

      Humboldt air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality281
      Days with moderate air quality84
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Humboldt air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.290%
      Lead0.010%
      Mercury0.010%

      Average monthly Humboldt temperature with heat index

      Humboldt monthly precipitation with daily maximum

      Humboldt monthly snow depth with daily maximum

      Humboldt monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Windsor, IL1,4604020%
      Charleston, IL21,2574020%
      Gays, IL2934020%
      Mattoon, IL17,3994020%
      Lerna, IL2724020%
      Humboldt, IL4834216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fort Jennings, OH4833922%
      Clayhatchee, AL4833530%
      St. Francisville, IL4833628%
      Ray, ND4833432%
      McGuffey, OH4833922%
      Humboldt, IL4834216%
      Source: The Humboldt, IL 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.