Detroit, IL Weather - Forecast & Monthly Averages

TEMPERATURE	59
HUMIDITY	98
PRESSURE	101250
WIND COND.	310 27.7

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Weather Quick Facts

The highest monthly average temperature in Detroit for July is 76.4 degrees
The lowest monthly average temperature in Detroit for January is 28.9 degrees
The most monthly precipitation in Detroit occurs in June with 10.4 inches
The air quality index in Detroit is 3% better than the national average
The pollution index in Detroit is 10% better than the national average

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Detroit 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	21°F	39°F	29°F	3.5"
February	23°F	41°F	31°F	3.2"
March	36°F	56°F	44°F	3.6"
April	46°F	68°F	56°F	7.4"
May	56°F	76°F	65°F	7.6"
June	64°F	84°F	74°F	10.4"
July	67°F	87°F	76°F	8.6"
August	65°F	87°F	75°F	6.1"
September	58°F	81°F	68°F	8.5"
October	46°F	68°F	56°F	5.6"
November	36°F	55°F	45°F	5.5"
December	27°F	42°F	33°F	6.1"

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Detroit 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	Detroit	Illinois	National
Air quality index	41	41	42
Pollution index	2,458,180	3,148,694	2,726,193

Detroit air quality information

Measurement	Total
Days measured	241
Days with good air quality	208
Days with moderate air quality	33
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Detroit air quality information

Pollutant	Total
Arsenic	0.002%
Benzene	0.020%
Carbon Tetrachloride	0.001%
Lead	0.120%
Mercury	0.330%

Average monthly Detroit temperature with heat index

Detroit monthly precipitation with daily maximum

Detroit monthly snow depth with daily maximum

Detroit monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Chapin, IL	536	40	20.0%
Winchester, IL	1,717	40	20.0%
Hillview, IL	161	40	20.0%
White Hall, IL	2,356	40	20.0%
Exeter, IL	72	40	20.0%
Detroit, IL	23	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Ferry, AK	23	38	24.0%
Benton, AL	23	52	4.0%
Oak Hill, AL	23	52	4.0%
Coulterville, CA	23	39	22.0%
Parshall, CO	23	47	6.0%
Detroit, IL	23	41	18.0%

Source: The Detroit, 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.