Oak Lawn, IL Weather - Forecast & Monthly Averages

TEMPERATURE	19
HUMIDITY	70
PRESSURE	103010
WIND COND.	300 5.4

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Weather Quick Facts

The highest monthly average temperature in Oak Lawn for July is 76.3 degrees
The lowest monthly average temperature in Oak Lawn for January is 26.2 degrees
The most monthly precipitation in Oak Lawn occurs in August with 5.1 inches
The air quality index in Oak Lawn is 31% worse than the national average
The pollution index in Oak Lawn is 2843% worse than the national average

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Oak Lawn 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	34°F	26°F	1.9"
February	21°F	36°F	28°F	1.6"
March	33°F	49°F	40°F	2.4"
April	42°F	62°F	51°F	3.6"
May	52°F	73°F	61°F	4.3"
June	63°F	82°F	72°F	4.6"
July	68°F	86°F	76°F	3.5"
August	67°F	83°F	75°F	5.1"
September	60°F	77°F	68°F	2.8"
October	48°F	65°F	55°F	3.9"
November	36°F	51°F	43°F	2.2"
December	25°F	37°F	31°F	2.2"

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Oak Lawn 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	Oak Lawn	Illinois	National
Air quality index	55	41	42
Pollution index	80,238,704	3,148,694	2,726,193

Oak Lawn 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	0.760%
Benzene	0.560%
Carbon Tetrachloride	0.280%
Lead	0.480%
Mercury	0.480%

Average monthly Oak Lawn temperature with heat index

Oak Lawn monthly precipitation with daily maximum

Oak Lawn monthly snow depth with daily maximum

Oak Lawn monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Flossmoor, IL	9,318	55	10.0%
Matteson, IL	19,374	55	10.0%
Burbank, IL	28,447	55	10.0%
Harvey, IL	24,295	55	10.0%
Midlothian, IL	14,464	55	10.0%
Oak Lawn, IL	55,432	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Blue Springs, MO	55,415	47	6.0%
Parker, CO	55,460	58	16.0%
Lake Havasu City, AZ	55,463	13	74.0%
Hacienda Heights, CA	55,386	72	44.0%
Belleville, ON	55,515	n/a
Oak Lawn, IL	55,432	55	10.0%

Source: The Oak Lawn, 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.