South Barrington, IL Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY	80
PRESSURE	100920
WIND COND.	80 5.4

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Weather Quick Facts

The highest monthly average temperature in South Barrington for July is 73.7 degrees
The lowest monthly average temperature in South Barrington for January is 23.8 degrees
The most monthly precipitation in South Barrington occurs in May with 4.5 inches
The air quality index in South Barrington is 31% worse than the national average
The pollution index in South Barrington is 450% worse than the national average

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South Barrington 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	16°F	32°F	24°F	1.4"
February	17°F	34°F	25°F	1.2"
March	30°F	49°F	38°F	2.2"
April	39°F	62°F	50°F	3.8"
May	49°F	73°F	60°F	4.5"
June	59°F	82°F	70°F	4.4"
July	63°F	85°F	74°F	4.1"
August	62°F	83°F	72°F	3.8"
September	54°F	77°F	65°F	3.4"
October	43°F	64°F	53°F	3.1"
November	32°F	50°F	40°F	1.9"
December	21°F	36°F	29°F	2.1"

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South Barrington 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	South Barrington	Illinois	National
Air quality index	55	41	42
Pollution index	14,981,300	3,148,694	2,726,193

South Barrington 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	0.010%
Benzene	0.140%
Carbon Tetrachloride	0.030%
Lead	0.020%
Mercury	0.010%

Average monthly South Barrington temperature with heat index

South Barrington monthly precipitation with daily maximum

South Barrington monthly snow depth with daily maximum

South Barrington monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Mundelein, IL	31,574	39	22.0%
Oakwood Hills, IL	2,543	39	22.0%
Wauconda, IL	13,629	39	22.0%
Knollwood, IL	1,684	39	22.0%
Prairie Grove, IL	2,023	39	22.0%
South Barrington, IL	4,963	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Prospect, KY	4,961	49	2.0%
Los Chaves, NM	4,965	53	6.0%
Buckley, WA	4,960	45	10.0%
Carle Place, NY	4,966	51	2.0%
Needles, CA	4,959	13	74.0%
South Barrington, IL	4,963	55	10.0%

Source: The South Barrington, 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.