Riverdale, Chicago, IL Weather - Forecast & Monthly Averages

TEMPERATURE	57
HUMIDITY	41
PRESSURE	101900
WIND COND.	270 22.3

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Weather Quick Facts

The highest monthly average temperature in Riverdale for July is 76.3 degrees
The lowest monthly average temperature in Riverdale for January is 26.2 degrees
The most monthly precipitation in Riverdale occurs in August with 5.1 inches
The air quality index in Riverdale is 31% worse than the national average
The pollution index in Riverdale is 2843% worse than the national average

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Riverdale 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	20°F	34°F	26°F	1.9"
February	21°F	36°F	28°F	1.6"
March	33°F	49°F	40°F	2.4"
April	42°F	62°F	51°F	3.6"
May	52°F	73°F	61°F	4.3"
June	63°F	82°F	72°F	4.6"
July	68°F	86°F	76°F	3.5"
August	67°F	83°F	75°F	5.1"
September	60°F	77°F	68°F	2.8"
October	48°F	65°F	55°F	3.9"
November	36°F	51°F	43°F	2.2"
December	25°F	37°F	31°F	2.2"

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Riverdale 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	Riverdale	Chicago	Illinois
Air quality index	55	55	41
Pollution index	80,238,704	80,238,704	3,148,694

Riverdale air quality information

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

Riverdale air quality information

Pollutant	Total
Arsenic	0.760%
Benzene	0.560%
Carbon Tetrachloride	0.280%
Lead	0.480%
Mercury	0.480%

Average monthly Riverdale temperature with heat index

Riverdale monthly precipitation with daily maximum

Riverdale monthly snow depth with daily maximum

Riverdale monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Merrillville, IN	34,871	37	26.0%
Oak Lawn, IL	55,432	55	10.0%
Calumet Park, IL	8,383	55	10.0%
Bellwood, IL	18,799	55	10.0%
La Grange Park, IL	13,129	55	10.0%
Chicago, IL	2,699,347	55	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Toronto, ON	3,013,752	n/a
Houston, TX	2,313,238	52	4.0%
Montréal, QC	1,811,008	n/a
Phoenix, AZ	1,658,422	74	48.0%
Philadelphia, PA	1,581,531	51	2.0%
Chicago, IL	2,699,347	55	10.0%

Source: The Riverdale, Chicago, 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.