Crest Hill, IL Weather - Forecast & Monthly Averages

TEMPERATURE	18
HUMIDITY	79
PRESSURE	103080
WIND COND.	340 7.6

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Weather Quick Facts

The highest monthly average temperature in Crest Hill for July is 73.4 degrees
The lowest monthly average temperature in Crest Hill for January is 24.4 degrees
The most monthly precipitation in Crest Hill occurs in August with 7.7 inches
The air quality index in Crest Hill is 31% worse than the national average
The pollution index in Crest Hill is 43% better than the national average

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Crest Hill 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	17°F	32°F	24°F	3.1"
February	18°F	34°F	26°F	3.0"
March	31°F	49°F	39°F	5.2"
April	40°F	62°F	50°F	4.8"
May	51°F	73°F	61°F	5.9"
June	60°F	82°F	70°F	6.7"
July	64°F	84°F	73°F	4.1"
August	62°F	82°F	71°F	7.7"
September	55°F	76°F	65°F	3.2"
October	44°F	64°F	53°F	7.3"
November	33°F	50°F	41°F	3.9"
December	22°F	36°F	29°F	3.7"

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Crest Hill 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	Crest Hill	Illinois	National
Air quality index	55	41	42
Pollution index	1,558,070	3,148,694	2,726,193

Crest Hill 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	0.010%
Benzene	0.010%
Carbon Tetrachloride	0.070%
Lead	0.090%
Mercury	0.010%

Average monthly Crest Hill temperature with heat index

Crest Hill monthly precipitation with daily maximum

Crest Hill monthly snow depth with daily maximum

Crest Hill monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Oswego, IL	35,470	0	100.0%
Channahon, IL	13,281	0	100.0%
Elwood, IL	2,524	0	100.0%
Shorewood, IL	17,303	0	100.0%
Minooka, IL	11,069	0	100.0%
Crest Hill, IL	20,388	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Golden, CO	20,391	58	16.0%
Forest Lake, MN	20,393	46	8.0%
Bayshore Gardens, FL	20,380	38	24.0%
Elko, NV	20,396	14	72.0%
Northfield, MN	20,399	37	26.0%
Crest Hill, IL	20,388	55	10.0%

Source: The Crest Hill, 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.