Clayton, IL Weather Forecast & Monthly Average Temperatures

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Current weather Weather poll Average temperature Did you know? City comparison Air quality / pollution Heat index Montly precipitation Best nearby cities

TEMPERATURE	34
HUMIDITY	69
PRESSURE	30.14
WIND COND.	10 4.7

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Clayton 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	20°F	37°F	28°F	2.1"
February	21°F	38°F	29°F	2.0"
March	34°F	54°F	43°F	3.0"
April	44°F	66°F	55°F	4.3"
May	54°F	74°F	63°F	3.7"
June	64°F	84°F	74°F	6.0"
July	66°F	86°F	76°F	4.5"
August	66°F	86°F	75°F	4.2"
September	57°F	79°F	67°F	4.3"
October	45°F	64°F	54°F	3.9"
November	36°F	54°F	44°F	2.7"
December	23°F	38°F	29°F	2.4"

Did you know?

The highest monthly average temperature in Clayton for July is 76 degrees.
The lowest monthly average temperature in Clayton for January is 28 degrees.
The most monthly precipitation in Clayton occurs in June with 6 inches.
The air quality index in Clayton is 32% better than the national average.
The pollution index in Clayton is 96% better than the national average.

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Compare Clayton, IL Weather To Other Cities

Clayton 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	Clayton	Illinois	National
Air quality index	34	41	50
Pollution index	222,633	3,347,295	5,066,862

Clayton air quality information

Measurement	Total
Days measured	304
Days with good air quality	296
Days with moderate air quality	8
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Clayton air quality information

Pollutant	Total
Arsenic	0.003%
Benzene	0.010%
Carbon Tetrachloride	0.000%
Lead	0.002%
Mercury	0.000%

Average monthly Clayton temperature with heat index

Clayton monthly precipitation with daily maximum

Clayton monthly snow depth with daily maximum

Clayton monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Augusta, IL	455	34	32%
Coatsburg, IL	155	34	32%
Liberty, IL	504	34	32%
Bowen, IL	470	34	32%
Columbus, IL	115	34	32%
Clayton, IL	607	34	32%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
South Williamson, KY	607	38	24%
Renningers, PA	607	45	10%
Patterson Heights, PA	607	6	88%
Rawlings, MD	607	32	36%
Walsh, CO	607	6	88%
Clayton, IL	607	34	32%

Source: The Clayton, 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.