West Salem, IL Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY	83
PRESSURE	99800
WIND COND.	140 20.5

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Weather Quick Facts

The highest monthly average temperature in West Salem for July is 76.4 degrees
The lowest monthly average temperature in West Salem for January is 32.3 degrees
The most monthly precipitation in West Salem occurs in April with 9.5 inches
The air quality index in West Salem is 14% better than the national average
The pollution index in West Salem is 82% better than the national average

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West Salem 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	25°F	41°F	32°F	3.3"
February	27°F	43°F	34°F	2.1"
March	38°F	57°F	46°F	4.7"
April	48°F	70°F	58°F	9.5"
May	58°F	78°F	67°F	4.8"
June	66°F	86°F	75°F	2.2"
July	67°F	87°F	76°F	8.0"
August	65°F	86°F	75°F	1.7"
September	57°F	81°F	68°F	5.4"
October	47°F	70°F	57°F	1.8"
November	37°F	56°F	45°F	6.7"
December	30°F	44°F	36°F	2.5"

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

West Salem 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 West Salem temperature with heat index

West Salem monthly precipitation with daily maximum

West Salem monthly snow depth with daily maximum

West Salem monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Parkersburg, IL	223	36	28.0%
Keensburg, IL	111	36	28.0%
Olney, IL	8,872	36	28.0%
Bone Gap, IL	151	36	28.0%
Calhoun, IL	149	36	28.0%
West Salem, IL	872	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Cameron, AZ	872	45	10.0%
Parker Strip, AZ	872	13	74.0%
Crystal Springs, FL	872	36	28.0%
Overbrook, KS	872	41	18.0%
Adairville, KY	872	40	20.0%
West Salem, IL	872	36	28.0%

Source: The West Salem, 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.