Clay City, IL Weather - Forecast & Monthly Averages

TEMPERATURE	63
HUMIDITY	45
PRESSURE	102680
WIND COND.	130 13

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Weather Quick Facts

The highest monthly average temperature in Clay City for July is 77.1 degrees
The lowest monthly average temperature in Clay City for January is 31.5 degrees
The most monthly precipitation in Clay City occurs in September with 8.8 inches
The air quality index in Clay City is 5% better than the national average
The pollution index in Clay City is 82% better than the national average

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Clay City Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	24°F	41°F	31°F	5.3"
February	26°F	43°F	33°F	3.7"
March	38°F	57°F	46°F	4.5"
April	47°F	69°F	57°F	8.3"
May	56°F	77°F	66°F	6.2"
June	65°F	86°F	75°F	8.8"
July	67°F	88°F	77°F	7.5"
August	65°F	87°F	75°F	7.1"
September	58°F	81°F	68°F	8.8"
October	47°F	70°F	57°F	6.4"
November	36°F	57°F	45°F	7.2"
December	29°F	45°F	36°F	5.8"

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Clay City 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.
Index	Clay City	Illinois	National
Air quality index	40	41	42
Pollution index	500,004	3,148,694	2,726,193

Clay City air quality

Measurement	Total
Days measured	245
Days with good air quality	224
Days with moderate air quality	21
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.001%
Benzene	0.020%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Clay City temperature with heat index

Clay City monthly precipitation with daily maximum

Clay City monthly snow depth with daily maximum

Clay City monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Olney, IL	8,872	36	28.0%
Louisville, IL	1,106	40	20.0%
Noble, IL	647	40	20.0%
Flora, IL	4,686	40	20.0%
Sailor Springs, IL	114	40	20.0%
Clay City, IL	896	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Courtland, AL	896	41	18.0%
Buras, LA	896	45	10.0%
Cankton, LA	896	41	18.0%
Cass Lake, MN	896	29	42.0%
Walhalla, ND	896	33	34.0%
Clay City, IL	896	40	20.0%

Source: The Clay City, 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.