Roane County, TN Climate

Roane County, Tennessee has a humid subtropical climate, characterized by hot and humid summers and mild to cold winters. Summer temperatures often reach the mid-90s Fahrenheit (around 35°C) and can occasionally climb to 100°F (38°C). Winter temperatures typically range from the mid-40s Fahrenheit (around 7°C) to the low 20s (-6°C). Precipitation is fairly evenly distributed throughout the year with average annual rainfall coming in at around 46 inches (117 cm). Snowfall is relatively light; however, there have been occasions when more than 10 inches of snow have fallen in a single storm.

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

Roane County averages 4 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 207 sunny days per year in Roane County. The US average is 205 sunny days.

Roane County gets some kind of precipitation, on average, 119 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 27
Rain: averages 55 inches of rain a year
Snow: averages 4 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Roane County is 7.4 (10=best), which means it is more comfortable than most places in Tennessee.

7.3 Summer - 6.1 Winter

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

Climate	Roane, Tennessee	United States
	54.6 in.	38.1 in.
	4.4 in.	27.8 in.
	119.4 days	106.2 days
	207 days	205 days
	88.1°	85.8°
	27.0°	21.7°
	7.4	7
	4.4	4.3
	907 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 Roane County with an average high temperature of 88.1°, which ranks it as cooler than most places in Tennessee. In Roane County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Roane County are May, September and October.

In Roane County, there are 30.2 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

January has the coldest nighttime temperatures for Roane County with an average of 27.0°. This is warmer than most places in Tennessee.

In Roane County, there are 82.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Tennessee.

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

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

December is the wettest month in Roane County with 5.3 inches of rain, and the driest month is October with 3.1 inches. The wettest season is Spring with 28% of yearly precipitation and 21% occurs in Winter, which is the driest season. The annual rainfall of 54.6 inches in Roane County means that it is wetter than most places in Tennessee.

July is the rainiest month in Roane County with 11.8 days of rain, and September is the driest month with only 7.7 rainy days. There are 119.4 rainy days annually in Roane County, which is rainier than most places in Tennessee. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 4.4 inches in Roane County means that it is snowier than most places in Tennessee. January is the snowiest month in Roane County with 1.9 inches of snow, and 3 months of the year have significant snowfall.

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