Marion, IA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	75
HUMIDITY	88
PRESSURE	29.9
WIND COND.

Marion Average Weather

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	-29°F	56°F	21°F	0.7"
February	-17°F	63°F	22°F	0.8"
March	-2°F	79°F	37°F	2.4"
April	15°F	88°F	49°F	3.7"
May	25°F	92°F	60°F	3.5"
June	44°F	93°F	70°F	5.0"
July	49°F	96°F	72°F	4.3"
August	44°F	95°F	71°F	6.0"
September	31°F	90°F	63°F	2.8"
October	19°F	90°F	50°F	2.7"
November	5°F	73°F	39°F	1.6"
December	-19°F	58°F	22°F	1.4"

Did you know?

The highest monthly average temperature in Marion for July is 72 degrees.
The lowest monthly average temperature in Marion for January is 21 degrees.
The most monthly precipitation in Marion occurs in August with 6 inches.
The air quality index in Marion is 15% better than the national average.
The pollution index in Marion is 0% worse than the national average.

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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	42	39	50
Pollution index	5,075,380	1,643,836	5,066,862

Marion air quality information

Measurement	Total
Days measured	365
Days with good air quality	256
Days with moderate air quality	108
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality

Marion air quality information

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, State	Population	Air Quality Index	National Avg.
Bertram, IA	341	42	16%
Ely, IA	2,133	42	16%
Martelle, IA	266	42	16%
Robins, IA	3,434	42	16%
Stone City, IA	288	42	16%
Marion, IA	37,198	42	16%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Mechanicsville, VA	37,201	39	22%
Addison, IL	37,192	60	20%
East Meadow, NY	37,228	53	6%
Lincoln Park, MI	37,155	52	4%
Calumet City, IL	37,112	60	20%
Marion, IA	37,198	42	16%

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.