Zip 62864 (Mount Vernon, IL) Climate

Mount Vernon, IL 62864 has a humid continental climate, characterized by hot summers and cold winters. The weather is usually mild in the spring and autumn months, with temperatures ranging from lows of 30°F in the winter to highs of 90°F in the summer. Precipitation is spread out throughout the year, with most months receiving between three and four inches of rainfall on average. Snowfall typically occurs from December through March, although snow is not abundant. Overall, Mount Vernon has a moderate climate that is great for outdoor activities all year round.

Mount Vernon (zip 62864), Illinois gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mount Vernon (zip 62864) averages 11 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Mount Vernon (zip 62864). The US average is 205 sunny days.

Mount Vernon (zip 62864) gets some kind of precipitation, on average, 101 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 87 degrees
Winter Low: the January low is 21
Rain: averages 44 inches of rain a year
Snow: averages 11 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 62864 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

7.9 Summer - 5.6 Winter

September, May and June are the most pleasant months in the 62864 zip code, while January and December are the least comfortable months.

Climate	Mount Vernon, Illinois	United States
	Unlock	38.1 in.
	11.1 in.	Unlock
	Unlock	106.2 days
	206 days	Unlock
	87.2°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	496 ft.	Unlock

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 the 62864 zip code with an average high temperature of 87.2°, which ranks it as warmer than most places in Illinois. In the 62864 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 62864 zip code are September, May and June.

In the 62864 zip code, there are 27.3 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.

January has the coldest nighttime temperatures for the 62864 zip code with an average of 21.0°. This is warmer than most places in Illinois.

In the 62864 zip code, there are 104.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 62864 zip code, there are 2.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity can be uncomfortably heavy or close in the 62864 zip code during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in the 62864 zip code.

May is the wettest month in the 62864 zip code 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 the 62864 zip code means that it is wetter than most places in Illinois.

May is the rainiest month in the 62864 zip code 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 the 62864 zip code, 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 the 62864 zip code means that it is less snowy than most places in Illinois. January is the snowiest month in the 62864 zip code with 3.3 inches of snow, and 4 months of the year have significant snowfall.

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