Vernon, IL Weather - Forecast & Monthly Averages

TEMPERATURE	52
HUMIDITY	67
PRESSURE	102300
WIND COND.	40 7.6

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Weather Quick Facts

The highest monthly average temperature in Vernon for July is 77.6 degrees
The lowest monthly average temperature in Vernon for January is 32.3 degrees
The most monthly precipitation in Vernon occurs in September with 8.9 inches
The air quality index in Vernon is 2% worse than the national average
The pollution index in Vernon is 76% better than the national average

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Vernon 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	25°F	41°F	32°F	3.5"
February	27°F	44°F	34°F	2.0"
March	39°F	58°F	47°F	3.7"
April	48°F	69°F	58°F	7.8"
May	57°F	77°F	66°F	5.4"
June	66°F	86°F	76°F	8.3"
July	68°F	88°F	78°F	7.4"
August	66°F	87°F	76°F	7.2"
September	59°F	81°F	69°F	8.9"
October	48°F	70°F	58°F	5.6"
November	38°F	57°F	47°F	4.2"
December	30°F	45°F	37°F	4.9"

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Vernon 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	Vernon	Illinois	National
Air quality index	43	41	42
Pollution index	647,280	3,148,694	2,726,193

Vernon air quality

Measurement	Total
Days measured	344
Days with good air quality	269
Days with moderate air quality	74
Days w/ poor A.Q. for sensitive groups	1
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 Vernon temperature with heat index

Vernon monthly precipitation with daily maximum

Vernon monthly snow depth with daily maximum

Vernon monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Smithboro, IL	215	40	20.0%
Kinmundy, IL	915	40	20.0%
Brownstown, IL	839	40	20.0%
St. Peter, IL	438	40	20.0%
Mulberry Grove, IL	847	40	20.0%
Vernon, IL	94	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Georgetown, AR	94	45	10.0%
The Rock, GA	94	38	24.0%
Bennington, ID	94	44	12.0%
Jennings, KS	94	19	62.0%
Spivey, KS	94	40	20.0%
Vernon, IL	94	43	14.0%

Source: The Vernon, 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.