Flat Rock, IL Weather Forecast & Monthly Average Temperatures

TEMPERATURE	87
HUMIDITY	68
PRESSURE	30.11
WIND COND.	240 10.3

Flat Rock Average Weather

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	-9°F	106°F	34°F	0.1"
February	-2°F	68°F	33°F	0.3"
March	14°F	82°F	45°F	0.2"
April	25°F	90°F	56°F	1.2"
May	32°F	91°F	65°F	0.9"
June	51°F	95°F	75°F	0.5"
July	52°F	97°F	75°F	0.2"
August	49°F	99°F	75°F	0.0"
September	37°F	93°F	68°F	0.1"
October	27°F	91°F	56°F	n/a
November	14°F	79°F	45°F	0.1"
December	5°F	72°F	35°F	0.5"

Did you know?

The highest monthly average temperature in Flat Rock for August is 75 degrees.
The lowest monthly average temperature in Flat Rock for February is 33 degrees.
The most monthly precipitation in Flat Rock occurs in April with 1.2 inches.
The air quality index in Flat Rock is 33% better than the national average.
The pollution index in Flat Rock is 90% better than the national average.

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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	33	41	50
Pollution index	500,004	3,347,295	5,066,862

Flat Rock air quality information

Measurement	Total
Days measured	359
Days with good air quality	347
Days with moderate air quality	12
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Flat Rock air quality information

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, State	Population	Air Quality Index	National Avg.
Oblong, IL	1,571	33	34%
Stoy, IL	130	33	34%
Emison, IN	127	33	34%
Bridgeport, IL	1,425	33	34%
Palestine, IL	1,224	33	34%
Flat Rock, IL	329	33	34%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Lakeland Shores, MN	329	44	12%
Custer City, OK	329	42	16%
Kanarraville, UT	329	41	18%
Westside, IA	329	41	18%
Chandler, MN	329	35	30%
Flat Rock, IL	329	33	34%

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.