TODAY JUN25
TEMPERATURE76
HUMIDITY88
PRESSURE29.92
WIND COND.50 3.4
  • 8774Mon30%20%
  • 9075Tue40%40%
  • 9275Wed30%30%
  • 9576Thu
  • 9475Fri
daynightWeather update from Cape Girardeau, Cape Girardeau Regional Airport at

Herrin 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
January5°F68°F37°Fn/a
February7°F70°F36°Fn/a
March19°F81°F49°Fn/a
April23°F88°F58°Fn/a
May36°F93°F66°Fn/a
June55°F95°F76°Fn/a
July57°F97°F78°Fn/a
August57°F102°F78°Fn/a
September45°F95°F70°Fn/a
October30°F100°F59°Fn/a
November19°F82°F48°Fn/a
December9°F66°F39°Fn/a

Did you know?

  • The highest monthly average temperature in Herrin for August is 78 degrees.
  • The lowest monthly average temperature in Herrin for February is 36 degrees.
  • The most monthly precipitation in Herrin occurs in January with 0 inches.
  • The air quality index in Herrin is 21% better than the national average.
  • The pollution index in Herrin is 97% better than the national average.

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Compare Herrin, IL Weather To Other Cities

Herrin 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.
IndexHerrinIllinoisNational
Air quality index394150
Pollution index125,3593,347,2955,066,862

Herrin air quality information

MeasurementTotal
Days measured243
Days with good air quality204
Days with moderate air quality39
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Herrin air quality information

PollutantTotal
Arsenic0.000%
Benzene0.003%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Herrin temperature with heat index

Herrin monthly precipitation with daily maximum

Herrin monthly snow depth with daily maximum

Herrin monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Makanda, IL5903628%
Creal Springs, IL3893628%
Benton, IL7,1483922%
Carbondale, IL26,0663922%
Crab Orchard, IL2803922%
Herrin, IL12,8683922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Grenada, MS12,8633334%
Grass Valley, CA12,8614216%
Gaffney, SC12,8593628%
Glendale, WI12,8804510%
Luling, LA12,8554510%
Herrin, IL12,8683922%
Source: The Herrin, 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.