Decatur County, TN Climate

Decatur County has a warm humid climate with hot summers and mild winters. The average high temperature in summer is 87°F (31°C) while the average low is 68°F (20°C). Winters are mild, with an average high of 57°F (14°C) and a low of 40°F (4°C). Rainfall averages around 48 inches annually, with most occurring in the spring and summer months. Snowfall is very rare and usually only occurs in winter. Overall, Decatur County enjoys warm weather year-round and abundant rain throughout the year.

Decatur County, Tennessee gets 56 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 210 sunny days per year in Decatur County. The US average is 205 sunny days.

Decatur County gets some kind of precipitation, on average, 100 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 56 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Decatur County is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

6.7 Summer - 6.4 Winter

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

Climate	Decatur, Tennessee	United States
	55.5 in.	38.1 in.
	2.5 in.	27.8 in.
	99.8 days	106.2 days
	210 days	205 days
	89.1°	85.8°
	26.2°	21.7°
	7.3	7
	4.4	4.3
	472 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.

August is the hottest month for Decatur County with an average high temperature of 89.4°, which ranks it as warmer than most places in Tennessee. In Decatur County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Decatur County are May, October and September.

In Decatur County, there are 40.7 days annually when the high temperature is over 90°, which is hotter than most places in Tennessee.

January has the coldest nighttime temperatures for Decatur County with an average of 26.2°. This is about average compared to other places in Tennessee.

In Decatur County, there are 86.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Decatur 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 Decatur 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 Decatur County with 6.0 inches of rain, and the driest month is August with 3.3 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Autumn, which is the driest season. The annual rainfall of 55.5 inches in Decatur County means that it is wetter than most places in Tennessee.

May is the rainiest month in Decatur County with 9.7 days of rain, and August is the driest month with only 6.3 rainy days. There are 99.8 rainy days annually in Decatur County, which is one of the least rainy places in Tennessee. 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 2.5 inches in Decatur County means that it is less snowy than most places in Tennessee. January is the snowiest month in Decatur County with 1.1 inches of snow, and 2 months of the year have significant snowfall.

Reviews for Decatur

See all ()

Write a Review

Start Your Review of Decatur

Jobs