Spring Valley, IL Weather - Forecast & Monthly Averages

TEMPERATURE	49
HUMIDITY	72
PRESSURE	102910
WIND COND.	10 9.4

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Weather Quick Facts

The highest monthly average temperature in Spring Valley for July is 75.2 degrees
The lowest monthly average temperature in Spring Valley for January is 25.7 degrees
The most monthly precipitation in Spring Valley occurs in August with 8.2 inches
The air quality index in Spring Valley is 100% better than the national average
The pollution index in Spring Valley is 88% better than the national average

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Spring Valley 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	18°F	34°F	26°F	3.3"
February	19°F	35°F	26°F	3.0"
March	32°F	51°F	40°F	4.3"
April	42°F	64°F	52°F	7.2"
May	53°F	75°F	63°F	8.0"
June	62°F	83°F	72°F	7.5"
July	66°F	85°F	75°F	7.1"
August	64°F	83°F	73°F	8.2"
September	56°F	78°F	66°F	6.3"
October	45°F	65°F	54°F	6.6"
November	34°F	51°F	42°F	4.3"
December	23°F	37°F	30°F	3.5"

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Spring Valley 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	Spring Valley	Illinois	National
Air quality index	0	41	42
Pollution index	339,156	3,148,694	2,726,193

Spring Valley 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	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Spring Valley temperature with heat index

Spring Valley monthly precipitation with daily maximum

Spring Valley monthly snow depth with daily maximum

Spring Valley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Arlington, IL	211	0	100.0%
Lostant, IL	463	0	100.0%
Dover, IL	141	0	100.0%
De Pue, IL	1,724	0	100.0%
Standard, IL	281	0	100.0%
Spring Valley, IL	5,172	0	100.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Kensington, CA	5,171	40	20.0%
Byron, GA	5,170	38	24.0%
Savannah, MO	5,170	43	14.0%
Flanders, NY	5,170	41	18.0%
Grambling, LA	5,168	34	32.0%
Spring Valley, IL	5,172	0	100.0%

Source: The Spring Valley, 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.