Big Rock, IL Weather - Forecast & Monthly Averages

TEMPERATURE	48
HUMIDITY	89
PRESSURE	100980
WIND COND.	310 16.6

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Weather Quick Facts

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

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

Big Rock 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 Big Rock temperature with heat index

Big Rock monthly precipitation with daily maximum

Big Rock monthly snow depth with daily maximum

Big Rock monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Lake Holiday, IL	5,365	0	100.0%
Kaneville, IL	518	0	100.0%
Montgomery, IL	19,515	0	100.0%
Prestbury, IL	1,978	0	100.0%
Yorkville, IL	19,386	0	100.0%
Big Rock, IL	1,271	0	100.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Susitna North, AK	1,271	31	38.0%
Inman, KS	1,271	40	20.0%
Renville, MN	1,271	32	36.0%
Stanberry, MO	1,271	43	14.0%
Fayette, OH	1,271	39	22.0%
Big Rock, IL	1,271	0	100.0%

Source: The Big Rock, 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.