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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.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January27°F48°F37°F3.2"
February30°F51°F39°F2.6"
March36°F58°F46°F3.5"
April45°F70°F57°F3.5"
May55°F77°F66°F3.5"
June63°F86°F74°F5.0"
July70°F90°F79°F5.6"
August66°F87°F76°F7.4"
September61°F82°F71°F4.9"
October50°F72°F60°F5.2"
November37°F61°F49°F1.8"
December33°F54°F43°F2.9"

Did you know?

  • The highest monthly average temperature in Mount Vernon for July is 79 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 25% better than the national average.
  • The pollution index in Mount Vernon is 49% better than the national average.

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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.
IndexMount VernonMarylandNational
Air quality index374350
Pollution index2,538,1606,283,4705,066,862

Mount Vernon air quality information

MeasurementTotal
Days measured365
Days with good air quality315
Days with moderate air quality50
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Mount Vernon air quality information

PollutantTotal
Arsenic0.002%
Benzene0.030%
Carbon Tetrachloride0.004%
Lead0.010%
Mercury0.003%

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, StatePopulationAir Quality IndexNational Avg.
Delmar, DE1,7923628%
Hebron, MD1,1923628%
Salisbury, MD32,3383628%
Allen, MD843628%
Pocomoke City, MD4,1463628%
Mount Vernon, MD7873726%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Shiloh, OH7873628%
Dongola, IL7873628%
Kwethluk, AK7872942%
Isleton, CA7875714%
Isle, MN7872942%
Mount Vernon, MD7873726%
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.