Marion, IA Weather - Forecast & Monthly Averages

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TEMPERATURE	68
HUMIDITY	100
PRESSURE	101150
WIND COND.	280 7.6

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Weather Quick Facts

The highest monthly average temperature in Marion for July is 73.2 degrees
The lowest monthly average temperature in Marion for January is 20.1 degrees
The most monthly precipitation in Marion occurs in June with 7 inches
The air quality index in Marion is 7% better than the national average
The pollution index in Marion is 86% worse than the national average

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Marion 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	12°F	29°F	20°F	0.8"
February	14°F	32°F	23°F	1.0"
March	28°F	48°F	37°F	2.1"
April	39°F	63°F	50°F	4.6"
May	50°F	73°F	61°F	3.9"
June	60°F	81°F	70°F	7.0"
July	63°F	84°F	73°F	4.8"
August	61°F	82°F	71°F	4.7"
September	53°F	76°F	64°F	4.0"
October	42°F	63°F	52°F	3.1"
November	29°F	49°F	38°F	2.1"
December	17°F	33°F	25°F	1.9"

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Marion 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	Marion	Iowa	National
Air quality index	39	39	42
Pollution index	5,075,380	1,154,535	2,726,193

Marion air quality

Measurement	Total
Days measured	365
Days with good air quality	287
Days with moderate air quality	78
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.070%
Benzene	0.050%
Carbon Tetrachloride	2.000%
Lead	0.040%
Mercury	0.100%

Average monthly Marion temperature with heat index

Marion monthly precipitation with daily maximum

Marion monthly snow depth with daily maximum

Marion monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Atkins, IA	2,069	39	22.0%
Fairfax, IA	2,770	39	22.0%
Palo, IA	1,003	39	22.0%
Swisher, IA	1,054	39	22.0%
Prairieburg, IA	165	39	22.0%
Marion, IA	39,910	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Streamwood, IL	39,917	55	10.0%
Friendswood, TX	39,893	52	4.0%
Chelsea, MA	39,878	43	14.0%
The Acreage, FL	39,863	36	28.0%
Calexico, CA	39,841	58	16.0%
Marion, IA	39,910	39	22.0%

Source: The Marion, IA 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.