Grayson County, KY Climate

Grayson County, Kentucky has a humid subtropical climate with hot and humid summers and mild winters. Average temperatures range from an average low of 28°F in January to an average high of 85°F in July. Rainfall is plentiful, with the annual precipitation averaging 44 inches. The region sees about 50 days of thunderstorms per year and occasional snowfall in winter months. Summers are often warm and muggy, as the area's proximity to water causes high humidity levels.

Grayson County, Kentucky gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Grayson County averages 6 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 196 sunny days per year in Grayson County. The US average is 205 sunny days.

Grayson County gets some kind of precipitation, on average, 109 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 23
Rain: averages 50 inches of rain a year
Snow: averages 6 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Grayson County is 7.2 (10=best), which means it is less comfortable than most places in Kentucky.

7.7 Summer - 5.8 Winter

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

Climate	Grayson, Kentucky	United States
	50.0 in.	38.1 in.
	5.9 in.	27.8 in.
	109.3 days	106.2 days
	196 days	205 days
	87.7°	85.8°
	22.8°	21.7°
	7.2	7
	4	4.3
	641 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 Grayson County with an average high temperature of 87.7°, which ranks it as warmer than most places in Kentucky. In Grayson County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grayson County are May, September and June.

In Grayson County, there are 30.4 days annually when the high temperature is over 90°, which is hotter than most places in Kentucky.

January has the coldest nighttime temperatures for Grayson County with an average of 22.8°. This is colder than most places in Kentucky.

In Grayson County, there are 106.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Kentucky.

In Grayson County, there are 1.8 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 Grayson 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 Grayson County.

May is the wettest month in Grayson County with 5.8 inches of rain, and the driest month is August with 3.5 inches. The wettest season is Summer with 29% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 50.0 inches in Grayson County means that it is wetter than most places in Kentucky.

May is the rainiest month in Grayson County with 10.9 days of rain, and August is the driest month with only 6.9 rainy days. There are 109.3 rainy days annually in Grayson County, which is less rainy than most places in Kentucky. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 5.9 inches in Grayson County means that it is less snowy than most places in Kentucky. January is the snowiest month in Grayson County with 2.2 inches of snow, and 4 months of the year have significant snowfall.

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