Mercer County, WV Climate

Mercer County, West Virginia has a humid subtropical climate, making it an ideal place for growing crops and livestock throughout the year. The county experiences a moderate temperature range with average temperatures ranging from 40 to 80 degrees Fahrenheit. The region sees mild winters and hot summers, and annual precipitation averages around 40 inches. In addition, Mercer County is prone to high winds during springtime thunderstorms, especially in the Appalachian foothills. Snowfall also varies significantly across the county with some regions experiencing more snow than others. All in all, Mercer County's climate is a great opportunity for those looking to live in a temperate climate year-round.

Mercer County, West Virginia gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Mercer County averages 32 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 155 sunny days per year in Mercer County. The US average is 205 sunny days.

Mercer County gets some kind of precipitation, on average, 146 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 81 degrees
Winter Low: the January low is 22
Rain: averages 39 inches of rain a year
Snow: averages 32 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Mercer County is 7.1 (10=best), which means it is about average compared to other places in West Virginia.

8.9 Summer - 5.1 Winter

June, September and August are the most pleasant months in Mercer County, while January and February are the least comfortable months.

Climate	Mercer, West Virginia	United States
	Unlock	38.1 in.
	31.5 in.	Unlock
	Unlock	106.2 days
	155 days	Unlock
	80.6°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	2485 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 Mercer County with an average high temperature of 80.6°, which ranks it as cooler than most places in West Virginia. In Mercer County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mercer County are June, August and July.

In Mercer County, there are 2.1 days annually when the high temperature is over 90°, which is cooler than most places in West Virginia.

January has the coldest nighttime temperatures for Mercer County with an average of 21.9°. This is about average compared to other places in West Virginia.

In Mercer County, there are 117.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in West Virginia.

In Mercer County, there are 2.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in West Virginia.

The humidity is usually comfortable in Mercer County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

July is the wettest month in Mercer County with 4.5 inches of rain, and the driest month is October with 2.4 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Winter, which is the driest season. The annual rainfall of 39.1 inches in Mercer County means that it is one of the driest places in West Virginia.

May is the rainiest month in Mercer County with 14.4 days of rain, and October is the driest month with only 9.3 rainy days. There are 145.8 rainy days annually in Mercer County, which is about average compared to other places in West Virginia. 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 31.5 inches in Mercer County means that it is snowier than most places in West Virginia. January is the snowiest month in Mercer County with 11.0 inches of snow, and 6 months of the year have significant snowfall.

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