Shelbyville, IL Weather - Forecast & Monthly Averages

TEMPERATURE	64
HUMIDITY	50
PRESSURE	101422.34
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Shelbyville for August is 75.9 degrees
The lowest monthly average temperature in Shelbyville for January is 29.5 degrees
The most monthly precipitation in Shelbyville occurs in November with 11.8 inches
The air quality index in Shelbyville is 5% better than the national average
The pollution index in Shelbyville is 14% better than the national average

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Shelbyville 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	22°F	38°F	30°F	1.7"
February	25°F	40°F	32°F	2.3"
March	36°F	54°F	44°F	1.1"
April	46°F	67°F	55°F	4.3"
May	55°F	76°F	64°F	0.0"
June	66°F	86°F	75°F	3.0"
July	66°F	86°F	75°F	7.9"
August	66°F	87°F	76°F	4.8"
September	59°F	81°F	69°F	8.6"
October	47°F	69°F	57°F	1.4"
November	36°F	56°F	46°F	11.8"
December	25°F	38°F	31°F	7.1"

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Shelbyville 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	Shelbyville	Illinois	National
Air quality index	40	41	42
Pollution index	2,357,280	3,148,694	2,726,193

Shelbyville air quality information

Measurement	Total
Days measured	245
Days with good air quality	224
Days with moderate air quality	21
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Shelbyville air quality information

Pollutant	Total
Arsenic	0.002%
Benzene	0.030%
Carbon Tetrachloride	0.004%
Lead	0.010%
Mercury	0.000%

Average monthly Shelbyville temperature with heat index

Shelbyville monthly precipitation with daily maximum

Shelbyville monthly snow depth with daily maximum

Shelbyville monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Herrick, IL	367	40	20.0%
Windsor village, IL	965	40	20.0%
Stewardson, IL	710	40	20.0%
Tower Hill, IL	643	40	20.0%
Windsor, IL	1,150	40	20.0%
Shelbyville, IL	4,198	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Belleair, FL	4,198	43	14.0%
Trenton, TN	4,197	27	46.0%
Boulevard Park, WA	4,197	45	10.0%
Marmora and Lake, ON	4,197	n/a
Red Rock, AZ	4,196	47	6.0%
Shelbyville, IL	4,198	40	20.0%

Source: The Shelbyville, 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.