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Mount Vernon Average Weather

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
January25°F40°F32°F8.4"
February17°F36°F27°F3.0"
March31°F51°F40°F5.7"
April38°F64°F51°F5.4"
May46°F75°F61°F4.4"
June59°F84°F72°F3.9"
July61°F85°F73°F5.2"
August63°F87°F74°F7.4"
September53°F81°F66°F2.6"
October45°F68°F56°F3.3"
November32°F55°F43°F6.2"
December23°F39°F31°F3.3"

Did you know?

  • The highest monthly average temperature in Mount Vernon for August is 74 degrees.
  • The lowest monthly average temperature in Mount Vernon for February is 27 degrees.
  • The most monthly precipitation in Mount Vernon occurs in January with 8.4 inches.
  • The air quality index in Mount Vernon is 27% better than the national average.
  • The pollution index in Mount Vernon is 28% better than the national average.

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Compare Mount Vernon, OH Weather To Other Cities

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 VernonOhioNational
Air quality index364050
Pollution index3,612,8406,740,0015,066,862

Mount Vernon air quality information

MeasurementTotal
Days measured214
Days with good air quality199
Days with moderate air quality15
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Mount Vernon air quality information

PollutantTotal
Arsenic0.004%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.030%
Mercury0.002%

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.
Chesterville, OH1863628%
Hartford, OH3553628%
Sparta, OH1573628%
Apple Valley, OH5,5653628%
Danville, OH1,1383628%
Mount Vernon, OH16,7773628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fayetteville, GA16,780524%
Welby, CO16,771548%
Artesia, CA16,7897448%
Douglas, AZ16,7644412%
Lemay, MO16,7626020%
Mount Vernon, OH16,7773628%
Source: The Mount Vernon, OH 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.