South Holland, IL Weather - Forecast & Monthly Averages

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TEMPERATURE	39
HUMIDITY	80
PRESSURE	101080
WIND COND.	280 9.4

Weather Quick Facts

The highest monthly average temperature in South Holland for July is 74 degrees
The lowest monthly average temperature in South Holland for January is 25.6 degrees
The most monthly precipitation in South Holland occurs in July with 8 inches
The air quality index in South Holland is 31% worse than the national average
The pollution index in South Holland is 43% better than the national average

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South Holland 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	4.5"
February	19°F	35°F	27°F	3.6"
March	31°F	49°F	39°F	4.4"
April	40°F	62°F	50°F	5.4"
May	50°F	72°F	60°F	6.5"
June	60°F	81°F	70°F	5.8"
July	64°F	84°F	74°F	8.0"
August	63°F	82°F	72°F	7.5"
September	56°F	76°F	65°F	5.4"
October	45°F	64°F	54°F	6.2"
November	33°F	51°F	42°F	5.4"
December	24°F	38°F	31°F	3.8"

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South Holland 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	South Holland	Illinois	National
Air quality index	55	41	42
Pollution index	1,558,070	3,148,694	2,726,193

South Holland air quality

Measurement	Total
Days measured	365
Days with good air quality	121
Days with moderate air quality	227
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.010%
Carbon Tetrachloride	0.070%
Lead	0.090%
Mercury	0.010%

Average monthly South Holland temperature with heat index

South Holland monthly precipitation with daily maximum

South Holland monthly snow depth with daily maximum

South Holland monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Merrillville, IN	34,871	37	26.0%
Crown Point, IN	30,372	37	26.0%
Forest View, IL	1,312	55	10.0%
Glenwood, IL	8,846	55	10.0%
South Chicago Heights, IL	4,042	55	10.0%
South Holland, IL	21,451	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
South Euclid, OH	21,449	50	= 100
North Plainfield, NJ	21,445	51	2.0%
Rancho San Diego, CA	21,476	64	28.0%
North Bellmore, NY	21,422	51	2.0%
Portsmouth, NH	21,418	37	26.0%
South Holland, IL	21,451	55	10.0%

Source: The South Holland, 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.