Chester County, TN Climate

Chester, TN County has a humid subtropical climate, with hot and humid summers and mild winters. Average temperatures during the summer months range from the high 80s to mid 90s Fahrenheit, while winter temperatures typically range from the upper 30s to mid 50s Fahrenheit. The area gets an average of 48 inches of precipitation per year, with most of it falling in the spring and early summer months. Snowfall is minimal, although occasional snow flurries can occur in the winter. Generally speaking, Chester has mild weather year-round making it a great destination for outdoor activities.

Chester County, Tennessee gets 55 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chester County averages 3 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 213 sunny days per year in Chester County. The US average is 205 sunny days.

Chester County gets some kind of precipitation, on average, 105 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 89 degrees
Winter Low: the January low is 26
Rain: averages 55 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

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

6.5 Summer - 6.3 Winter

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

Climate	Chester, Tennessee	United States
	55.4 in.	38.1 in.
	2.7 in.	27.8 in.
	105.2 days	106.2 days
	213 days	205 days
	89.4°	85.8°
	26.3°	21.7°
	7.2	7
	5.1	4.3
	491 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 Chester County with an average high temperature of 89.4°, which ranks it as warmer than most places in Tennessee. In Chester County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chester County are May, September and October.

In Chester County, there are 41.4 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

January has the coldest nighttime temperatures for Chester County with an average of 26.3°. This is about average compared to other places in Tennessee.

In Chester County, there are 83.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Tennessee.

In Chester County, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

Humidity in Chester County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

May is the wettest month in Chester County with 5.9 inches of rain, and the driest month is August with 3.3 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 55.4 inches in Chester County means that it is wetter than most places in Tennessee.

May is the rainiest month in Chester County with 10.1 days of rain, and August is the driest month with only 6.6 rainy days. There are 105.2 rainy days annually in Chester County, which is less rainy than most places in Tennessee. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 2.7 inches in Chester County means that it is less snowy than most places in Tennessee. January is the snowiest month in Chester County with 1.1 inches of snow, and 2 months of the year have significant snowfall.

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