Des Plaines, IL Weather Forecast & Monthly Average Temperatures

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Des Plaines Average Weather

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"

Did you know?

The highest monthly average temperature in Des Plaines for July is 75 degrees.
The lowest monthly average temperature in Des Plaines for January is 25 degrees.
The most monthly precipitation in Des Plaines occurs in May with 5.4 inches.
The air quality index in Des Plaines is 20% worse than the national average.
The pollution index in Des Plaines is 25% better than the national average.

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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	60	41	50
Pollution index	3,795,410	3,347,295	5,066,862

Des Plaines air quality information

Measurement	Total
Days measured	365
Days with good air quality	72
Days with moderate air quality	281
Days w/ poor A.Q. for sensitive groups	11
Days with unhealthy air quality	1

Des Plaines air quality information

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, State	Population	Air Quality Index	National Avg.
Harwood Heights, IL	8,628	60	20%
Hillside, IL	8,165	60	20%
Itasca, IL	8,502	60	20%
Lake Barrington, IL	4,927	60	20%
Lincolnwood, IL	12,637	60	20%
Des Plaines, IL	58,755	60	20%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Port Orange, FL	58,780	35	30%
Noblesville, IN	58,719	42	16%
Royal Oak, MI	58,823	52	4%
Owensboro, KY	58,685	40	20%
Orland Park, IL	58,612	60	20%
Des Plaines, IL	58,755	60	20%

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.