Millbrook, IL Weather - Forecast & Monthly Averages

TEMPERATURE	40
HUMIDITY	86
PRESSURE	102675.3
WIND COND.	330 11.1

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Weather Quick Facts

The highest monthly average temperature in Millbrook for July is 73 degrees
The lowest monthly average temperature in Millbrook for January is 23.1 degrees
The most monthly precipitation in Millbrook occurs in June with 4.5 inches
The air quality index in Millbrook is 100% better than the national average
The pollution index in Millbrook is 31% better than the national average

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Millbrook 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	15°F	32°F	23°F	1.5"
February	16°F	34°F	24°F	1.4"
March	29°F	49°F	38°F	2.3"
April	39°F	62°F	50°F	3.9"
May	49°F	73°F	61°F	4.3"
June	59°F	82°F	70°F	4.5"
July	62°F	84°F	73°F	4.3"
August	60°F	82°F	71°F	4.3"
September	53°F	77°F	64°F	2.9"
October	42°F	64°F	52°F	3.6"
November	30°F	50°F	40°F	2.1"
December	20°F	36°F	28°F	2.2"

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Millbrook 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	Millbrook	Illinois	National
Air quality index	0	41	42
Pollution index	1,874,490	3,148,694	2,726,193

Millbrook air quality

Measurement	Total
Days measured	335
Days with good air quality	334
Days with moderate air quality	1
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.030%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.010%

Average monthly Millbrook temperature with heat index

Millbrook monthly precipitation with daily maximum

Millbrook monthly snow depth with daily maximum

Millbrook monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Big Rock, IL	1,271	0	100.0%
Somonauk, IL	2,027	0	100.0%
Lake Holiday, IL	5,365	0	100.0%
Minooka, IL	11,069	0	100.0%
Plattville, IL	190	0	100.0%
Millbrook, IL	357	0	100.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Shonto, AZ	357	45	10.0%
Chacra, CO	357	44	12.0%
City of Creede, CO	357	44	12.0%
La Crosse, FL	357	35	30.0%
Sadorus, IL	357	42	16.0%
Millbrook, IL	357	0	100.0%

Source: The Millbrook, 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.