Zip 40456 (Mount Vernon, KY) Climate

Mount Vernon, KY has a humid subtropical climate characterized by hot and humid summers with frequent thunderstorms and mild to cool winters. Summer temperatures average in the mid-80s, while winter temperatures rarely dip below freezing. Rainfall is abundant throughout the year, with an average of over 40 inches per year. Snowfall is usually light in this region, but it’s not uncommon for Mount Vernon to receive 6 or more inches of snow each season.

Mount Vernon (zip 40456), Kentucky gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mount Vernon (zip 40456) averages 9 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Mount Vernon (zip 40456). The US average is 205 sunny days.

Mount Vernon (zip 40456) gets some kind of precipitation, on average, 122 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 86 degrees
Winter Low: the January low is 26
Rain: averages 48 inches of rain a year
Snow: averages 9 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 40456 zip code is 7.4 (10=best), which means it is one of the most pleasant places in Kentucky.

8.1 Summer - 5.8 Winter

September, May and June are the most pleasant months in the 40456 zip code, while January and December are the least comfortable months.

Climate	Mount Vernon, Kentucky	United States
	Unlock	38.1 in.
	8.7 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	86.1°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	1156 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 40456 zip code with an average high temperature of 86.1°, which ranks it as cooler than most places in Kentucky. In the 40456 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 40456 zip code are May, September and June.

In the 40456 zip code, there are 19.5 days annually when the high temperature is over 90°, which is cooler than most places in Kentucky.

January has the coldest nighttime temperatures for the 40456 zip code with an average of 26.1°. This is one of the warmest places in Kentucky.

In the 40456 zip code, there are 86.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kentucky.

In the 40456 zip code, there are 1.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Kentucky.

The humidity can be uncomfortably heavy or close in the 40456 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 40456 zip code.

May is the wettest month in the 40456 zip code with 5.2 inches of rain, and the driest month is October with 3.3 inches. The wettest season is Summer with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 47.7 inches in the 40456 zip code means that it is about average compared to other places in Kentucky.

May is the rainiest month in the 40456 zip code with 11.9 days of rain, and September is the driest month with only 7.4 rainy days. There are 121.9 rainy days annually in the 40456 zip code, which is rainier than most places in Kentucky. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 8.7 inches in the 40456 zip code means that it is about average compared to other places in Kentucky. February is the snowiest month in the 40456 zip code with 4.0 inches of snow, and 4 months of the year have significant snowfall.

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