Vernon Hills, IL Weather - Forecast & Monthly Averages

TEMPERATURE	42
HUMIDITY	82
PRESSURE	102740
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Vernon Hills for July is 74.5 degrees
The lowest monthly average temperature in Vernon Hills for January is 24.9 degrees
The most monthly precipitation in Vernon Hills occurs in June with 4.7 inches
The air quality index in Vernon Hills is 31% worse than the national average
The pollution index in Vernon Hills is 80% better than the national average

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Vernon Hills 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	18°F	33°F	25°F	1.1"
February	19°F	34°F	26°F	1.4"
March	30°F	48°F	38°F	1.8"
April	39°F	60°F	49°F	2.7"
May	49°F	71°F	60°F	3.6"
June	60°F	81°F	69°F	4.7"
July	65°F	85°F	74°F	4.0"
August	64°F	83°F	73°F	4.4"
September	56°F	76°F	66°F	2.7"
October	45°F	64°F	54°F	3.2"
November	34°F	50°F	42°F	1.7"
December	23°F	37°F	30°F	2.0"

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Vernon Hills 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 Hills	Illinois	National
Air quality index	55	41	42
Pollution index	543,516	3,148,694	2,726,193

Vernon Hills air quality

Measurement	Total
Days measured	365
Days with good air quality	121
Days with moderate air quality	227
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.004%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Vernon Hills temperature with heat index

Vernon Hills monthly precipitation with daily maximum

Vernon Hills monthly snow depth with daily maximum

Vernon Hills monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Grayslake, IL	20,482	39	22.0%
Libertyville, IL	20,300	39	22.0%
Johnsburg, IL	6,354	39	22.0%
Fox Lake Hills, IL	2,125	39	22.0%
Wauconda, IL	13,629	39	22.0%
Vernon Hills, IL	26,396	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Garden City, KS	26,403	15	70.0%
Paramus, NJ	26,403	51	2.0%
Auburn, NY	26,383	37	26.0%
Cabot, AR	26,376	45	10.0%
Fremont, NE	26,362	40	20.0%
Vernon Hills, IL	26,396	55	10.0%

Source: The Vernon Hills, 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.