Mount Vernon, MD Weather - Forecast & Monthly Averages

TEMPERATURE	36
HUMIDITY	70
PRESSURE	100140
WIND COND.	250 11.2

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Weather Quick Facts

The highest monthly average temperature in Mount Vernon for July is 79.2 degrees
The lowest monthly average temperature in Mount Vernon for January is 37 degrees
The most monthly precipitation in Mount Vernon occurs in August with 7.4 inches
The air quality index in Mount Vernon is 3% better than the national average
The pollution index in Mount Vernon is 7% better 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	27°F	48°F	37°F	3.2"
February	30°F	51°F	39°F	2.6"
March	36°F	58°F	46°F	3.5"
April	45°F	70°F	57°F	3.5"
May	55°F	77°F	66°F	3.5"
June	63°F	86°F	74°F	5.0"
July	70°F	90°F	79°F	5.6"
August	66°F	87°F	76°F	7.4"
September	61°F	82°F	71°F	4.9"
October	50°F	72°F	60°F	5.2"
November	37°F	61°F	49°F	1.8"
December	33°F	54°F	43°F	2.9"

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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	Maryland	National
Air quality index	41	43	42
Pollution index	2,538,160	5,342,367	2,726,193

Mount Vernon air quality

Measurement	Total
Days measured	365
Days with good air quality	304
Days with moderate air quality	58
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.030%
Carbon Tetrachloride	0.004%
Lead	0.010%
Mercury	0.003%

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.
Delmar, MD	3,321	36	28.0%
Allen, MD	419	36	28.0%
Fruitland, MD	5,281	36	28.0%
Princess Anne, MD	3,525	36	28.0%
Salisbury, MD	32,850	36	28.0%
Mount Vernon, MD	1,016	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Merrill, IA	1,016	35	30.0%
Burrton, KS	1,016	40	20.0%
New Franklin, MO	1,016	38	24.0%
Greene, RI	1,016	44	12.0%
Hewitt, WI	1,016	34	32.0%
Mount Vernon, MD	1,016	41	18.0%

Source: The Mount Vernon, MD 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.