Flat Rock, IL Weather - Forecast & Monthly Averages

TEMPERATURE	38
HUMIDITY	55
PRESSURE	102950
WIND COND.	180 16.6

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Weather Quick Facts

The highest monthly average temperature in Flat Rock for July is 75.9 degrees
The lowest monthly average temperature in Flat Rock for January is 31 degrees
The most monthly precipitation in Flat Rock occurs in April with 7.6 inches
The air quality index in Flat Rock is 14% better than the national average
The pollution index in Flat Rock is 82% better than the national average

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Flat 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	23°F	40°F	31°F	5.3"
February	24°F	43°F	33°F	3.4"
March	36°F	57°F	45°F	4.0"
April	46°F	69°F	56°F	7.6"
May	56°F	77°F	66°F	6.3"
June	64°F	86°F	75°F	6.7"
July	66°F	87°F	76°F	5.7"
August	63°F	86°F	74°F	4.9"
September	56°F	82°F	67°F	5.9"
October	46°F	70°F	57°F	5.6"
November	35°F	56°F	44°F	5.6"
December	28°F	44°F	35°F	4.9"

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Flat 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	Flat Rock	Illinois	National
Air quality index	36	41	42
Pollution index	500,004	3,148,694	2,726,193

Flat Rock air quality

Measurement	Total
Days measured	359
Days with good air quality	328
Days with moderate air quality	31
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.001%
Benzene	0.020%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Flat Rock temperature with heat index

Flat Rock monthly precipitation with daily maximum

Flat Rock monthly snow depth with daily maximum

Flat Rock monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Emison, IN	78	36	28.0%
Stoy, IL	146	36	28.0%
Russellville, IL	75	36	28.0%
Oblong, IL	1,520	36	28.0%
Carlisle, IN	544	36	28.0%
Flat Rock, IL	464	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Scammon Bay, AK	464	31	38.0%
Dozier, AL	464	52	4.0%
Allenspark, CO	464	47	6.0%
Saguache, CO	464	16	68.0%
Kenton, DE	464	42	16.0%
Flat Rock, IL	464	36	28.0%

Source: The Flat 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.