TODAY OCT20
TEMPERATURE52
HUMIDITY86
PRESSURE29.86
WIND COND.240 15
  • 4927Sat30%
  • 4936Sun
  • 5938Mon
  • 5334Tue
  • 5334Wed
daynightWeather update from Lewis University Airport at
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Fairmont 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
January17°F32°F24°F3.1"
February18°F34°F26°F3.0"
March31°F49°F39°F5.2"
April40°F62°F50°F4.8"
May51°F73°F61°F5.9"
June60°F82°F70°F6.7"
July64°F84°F73°F4.1"
August62°F82°F71°F7.7"
September55°F76°F65°F3.2"
October44°F64°F53°F7.3"
November33°F50°F41°F3.9"
December22°F36°F29°F3.7"

Did you know?

  • The highest monthly average temperature in Fairmont for July is 73 degrees.
  • The lowest monthly average temperature in Fairmont for January is 24 degrees.
  • The most monthly precipitation in Fairmont occurs in August with 7.7 inches.
  • The air quality index in Fairmont is 20% worse than the national average.
  • The pollution index in Fairmont is 69% better than the national average.

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Fairmont 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.
IndexFairmontIllinoisNational
Air quality index604150
Pollution index1,558,0703,347,2955,066,862

Fairmont air quality information

MeasurementTotal
Days measured365
Days with good air quality72
Days with moderate air quality281
Days w/ poor A.Q. for sensitive groups11
Days with unhealthy air quality1

Fairmont air quality information

PollutantTotal
Arsenic0.010%
Benzene0.010%
Carbon Tetrachloride0.070%
Lead0.090%
Mercury0.010%

Average monthly Fairmont temperature with heat index

Fairmont monthly precipitation with daily maximum

Fairmont monthly snow depth with daily maximum

Fairmont monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Oswego, IL33,245198%
Shorewood, IL16,539198%
Elwood, IL2,144198%
Minooka, IL11,786198%
Channahon, IL12,329198%
Fairmont, IL2,5166020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Marked Tree, AR2,5164412%
Marysville, PA2,516524%
Orchard Lake Village, MI2,517524%
Dry Ridge, KY2,515548%
Eminence, KY2,5155510%
Fairmont, IL2,5166020%
Source: The Fairmont, 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.