Mount Vernon, Illinois 

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Climate in Mount Vernon, Illinois

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Mount Vernon is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

7.2 / 10
September, May and June are the most pleasant months in Mount Vernon, while January and December are the least comfortable months.

Climate Averages
  Mount Vernon, IllinoisUnited States
  43.8 in.38.1 in.
  11.1 in.27.8 in.
  100.9 days106.2 days
  207 days205 days
  87.2°85.8°
  21.0°21.7°
  7.27
  4.34.3
  512 ft.2443 ft.
CLIMATE

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.


July is the hottest month for Mount Vernon with an average high temperature of 87.2°, which ranks it as warmer than most places in Illinois. In Mount Vernon, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Vernon are September, May and June.


January has the coldest nighttime temperatures for Mount Vernon with an average of 21.0°. This is warmer than most places in Illinois.


In Mount Vernon, there are 27.3 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.


In Mount Vernon, there are 104.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.


In Mount Vernon, there are 2.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.


May is the wettest month in Mount Vernon with 5.1 inches of rain, and the driest month is January with 2.6 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 43.8 inches in Mount Vernon means that it is wetter than most places in Illinois.


May is the rainiest month in Mount Vernon with 10.7 days of rain, and September is the driest month with only 6.5 rainy days. There are 100.9 rainy days annually in Mount Vernon, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 23% chance of a rainy day.


An annual snowfall of 11.1 inches in Mount Vernon means that it is less snowy than most places in Illinois. January is the snowiest month in Mount Vernon with 3.3 inches of snow, and 4 months of the year have significant snowfall.





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Mount Vernon    4 Reviews
    One of the worst places I've ever lived. - 1/13/2016
    The cost of living is good here and there are some nice neighborhoods. There isn't much to do here unless you like to drink in bars or eat fast food. There is only one... Read More

    Start Your Review of Mount Vernon


    Wish I didn't live here!! - 2/8/2012
    It's a very boring place with no chance of... Read More

    Poor Schools, Few Jobs, No Growth - 8/14/2009
    The cost of living is reasonable. The high school is in shambles. Visitors call it "the ghetto school". The politicians built a new 15-20 million dollar jail at... Read More


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    62864


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