Des Plaines, IL Weather - Forecast & Monthly Averages

TEMPERATURE	34
HUMIDITY	88
PRESSURE	100170
WIND COND.	270 25.9

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Weather Quick Facts

The highest monthly average temperature in Des Plaines for July is 75 degrees
The lowest monthly average temperature in Des Plaines for January is 24.8 degrees
The most monthly precipitation in Des Plaines occurs in May with 5.4 inches
The air quality index in Des Plaines is 31% worse than the national average
The pollution index in Des Plaines is 39% worse than the national average

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Des Plaines 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	34°F	25°F	2.3"
February	18°F	36°F	27°F	2.3"
March	29°F	49°F	39°F	2.8"
April	38°F	63°F	50°F	3.9"
May	48°F	73°F	60°F	5.4"
June	59°F	83°F	71°F	4.5"
July	64°F	86°F	75°F	5.2"
August	63°F	84°F	74°F	4.4"
September	56°F	78°F	66°F	3.6"
October	44°F	65°F	54°F	3.4"
November	32°F	52°F	42°F	2.3"
December	21°F	38°F	29°F	2.9"

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Des Plaines 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	Des Plaines	Illinois	National
Air quality index	55	41	42
Pollution index	3,795,410	3,148,694	2,726,193

Des Plaines 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	0.030%
Benzene	0.050%
Carbon Tetrachloride	0.010%
Lead	0.003%
Mercury	0.310%

Average monthly Des Plaines temperature with heat index

Des Plaines monthly precipitation with daily maximum

Des Plaines monthly snow depth with daily maximum

Des Plaines monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Forest Lake, IL	1,292	55	10.0%
Long Grove, IL	7,907	55	10.0%
Arlington Heights, IL	75,071	55	10.0%
Chicago, IL	2,699,347	55	10.0%
Oak Park, IL	52,102	55	10.0%
Des Plaines, IL	58,316	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Medford, MA	58,290	43	14.0%
Casper, WY	58,287	42	16.0%
Orland Park, IL	58,380	55	10.0%
White Plains, NY	58,171	51	2.0%
Margate, FL	58,465	41	18.0%
Des Plaines, IL	58,316	55	10.0%

Source: The Des Plaines, 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.