Boulder Hill, IL Weather - Forecast & Monthly Averages

TEMPERATURE	39
HUMIDITY	89
PRESSURE	101354.61
WIND COND.	110 14.8

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Weather Quick Facts

The highest monthly average temperature in Boulder Hill for July is 72.6 degrees
The lowest monthly average temperature in Boulder Hill for February is 23.2 degrees
The most monthly precipitation in Boulder Hill occurs in July with 9.3 inches
The air quality index in Boulder Hill is 31% worse than the national average
The pollution index in Boulder Hill is 31% better than the national average

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Boulder 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	18°F	32°F	25°F	4.1"
February	16°F	31°F	23°F	3.2"
March	29°F	48°F	38°F	3.7"
April	38°F	62°F	49°F	5.9"
May	49°F	74°F	61°F	4.0"
June	60°F	84°F	72°F	4.6"
July	60°F	85°F	73°F	9.3"
August	62°F	83°F	72°F	8.2"
September	54°F	81°F	67°F	2.4"
October	45°F	68°F	55°F	5.0"
November	30°F	49°F	39°F	3.4"
December	16°F	31°F	23°F	2.7"

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Boulder 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	Boulder Hill	Illinois	National
Air quality index	55	41	42
Pollution index	1,874,490	3,148,694	2,726,193

Boulder 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	0.002%
Benzene	0.030%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.010%

Average monthly Boulder Hill temperature with heat index

Boulder Hill monthly precipitation with daily maximum

Boulder Hill monthly snow depth with daily maximum

Boulder Hill monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Millbrook, IL	357	0	100.0%
Montgomery, IL	19,515	0	100.0%
Plattville, IL	190	0	100.0%
Yorkville, IL	19,386	0	100.0%
Millington, IL	662	0	100.0%
Boulder Hill, IL	9,081	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Innsbrook, VA	9,081	44	12.0%
Merrill, WI	9,081	34	32.0%
San Elizario, TX	9,079	53	6.0%
Saint-Rémi, QC	9,079	n/a
Rochelle, IL	9,083	42	16.0%
Boulder Hill, IL	9,081	55	10.0%

Source: The Boulder 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.