Union County, KY Climate

Union County, Kentucky has a humid subtropical climate with hot and humid summers and mild winters. Summer temperatures typically range from the mid 70s to the low 90s, although temperatures can climb higher than 100°F on occasion. Winters in Union County are usually mild and feature average temperatures ranging from the low 30s to the mid 50s. Rainfall is abundant throughout the year, especially in spring and summer when thunderstorms are common occurrences. The county also experiences occasional snowfall during winter months, though snow accumulation generally isn't very high.

Union County, Kentucky gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Union County averages 9 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Union County. The US average is 205 sunny days.

Union County gets some kind of precipitation, on average, 108 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 88 degrees
Winter Low: the January low is 25
Rain: averages 46 inches of rain a year
Snow: averages 9 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Union County is 7.3 (10=best), which means it is one of the most pleasant places in Kentucky.

7.3 Summer - 5.8 Winter

September, May and October are the most pleasant months in Union County, while January and December are the least comfortable months.

Climate	Union, Kentucky	United States
	Unlock	38.1 in.
	8.6 in.	Unlock
	Unlock	106.2 days
	202 days	Unlock
	88.3°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	402 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 Union County with an average high temperature of 88.3°, which ranks it as warmer than most places in Kentucky. In Union County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union County are May, September and June.

In Union County, there are 34.4 days annually when the high temperature is over 90°, which is hotter than most places in Kentucky.

January has the coldest nighttime temperatures for Union County with an average of 25.3°. This is warmer than most places in Kentucky.

In Union County, there are 79.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Kentucky.

In Union County, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Kentucky.

The humidity can be uncomfortably heavy or close in Union County 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 Union County.

May is the wettest month in Union County with 5.3 inches of rain, and the driest month is August with 2.9 inches. The wettest season is Summer with 31% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 46.0 inches in Union County means that it is drier than most places in Kentucky.

May is the rainiest month in Union County with 11.2 days of rain, and August is the driest month with only 6.4 rainy days. There are 107.7 rainy days annually in Union County, which is less rainy than most places in Kentucky. The rainiest season is Summer when it rains 30% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 8.6 inches in Union County means that it is about average compared to other places in Kentucky. January is the snowiest month in Union County with 2.7 inches of snow, and 4 months of the year have significant snowfall.

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