TODAY SEP25
TEMPERATURE77
HUMIDITY83
PRESSURE30.04
WIND COND.190 11.4
  • 7153Wed40%
  • 7355Thu
  • 7859Fri
  • 7960Sat
  • 8162Sun
daynightWeather update from Fort Campbell U. S. Army Airfield at
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St. Charles 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
January34°F49°F41°F8.3"
February31°F49°F39°F5.6"
March42°F65°F52°F2.7"
April48°F70°F58°F6.3"
May56°F80°F68°F5.2"
June65°F87°F75°F4.9"
July69°F89°F78°F5.1"
August71°F94°F82°F12.1"
September63°F85°F73°F5.3"
October52°F74°F62°F16.9"
November40°F62°F50°F4.5"
December32°F49°F39°F7.8"

Did you know?

  • The highest monthly average temperature in St. Charles for August is 82 degrees.
  • The lowest monthly average temperature in St. Charles for February is 39 degrees.
  • The most monthly precipitation in St. Charles occurs in October with 16.9 inches.
  • The air quality index in St. Charles is 17% better than the national average.
  • The pollution index in St. Charles is 8% worse than the national average.

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Compare St. Charles, KY Weather To Other Cities

St. Charles 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.
IndexSt. CharlesKentuckyNational
Air quality index414550
Pollution index5,501,3605,222,6645,066,862

St. Charles air quality information

MeasurementTotal
Days measured365
Days with good air quality278
Days with moderate air quality87
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

St. Charles air quality information

PollutantTotal
Arsenic0.010%
Benzene0.130%
Carbon Tetrachloride0.002%
Lead0.020%
Mercury0.800%

Average monthly St. Charles temperature with heat index

St. Charles monthly precipitation with daily maximum

St. Charles monthly snow depth with daily maximum

St. Charles monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Mortons Gap, KY1,0704020%
Earlington, KY1,4554020%
Nebo, KY2024020%
Madisonville, KY19,6154020%
Manitou, KY1394020%
St. Charles, KY3204118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Otis, KS320688%
Butte, NE3204020%
Nicut, OK3203530%
Hersey, MI3203530%
South Mansfield, LA3204314%
St. Charles, KY3204118%
Source: The St. Charles, KY 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.