Mount Vernon, IA Weather - Forecast & Monthly Averages

TEMPERATURE	23
HUMIDITY	85
PRESSURE	102510
WIND COND.	160 18.4

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Weather Quick Facts

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

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

Mount Vernon 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 Mount Vernon temperature with heat index

Mount Vernon monthly precipitation with daily maximum

Mount Vernon monthly snow depth with daily maximum

Mount Vernon monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Solon, IA	2,690	35	30.0%
Stanwood, IA	673	35	30.0%
North Liberty, IA	19,159	35	30.0%
Tiffin, IA	3,779	35	30.0%
Lisbon, IA	2,138	39	22.0%
Mount Vernon, IA	4,487	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
La Vale, MD	4,486	36	28.0%
Battleford, SK	4,486	n/a
Denton, MD	4,488	36	28.0%
Ottawa Hills, OH	4,485	40	20.0%
Ligonier, IN	4,489	37	26.0%
Mount Vernon, IA	4,487	39	22.0%

Source: The Mount Vernon, 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.