Zip 37321 (Dayton, TN) Climate

37321 Dayton, TN has a humid subtropical climate with hot and humid summers and mild winters. The area experiences year-round rainfall, although the amount of precipitation varies throughout the year. Summers in 37321 Dayton, TN are usually hot and humid, with temperatures reaching up to 90°F (32°C) on average from June through August. Winters are generally mild, with temperatures generally staying between 40–50°F (4–10°C). Spring and fall are typically warm and wet seasons with plenty of rain.

Dayton (zip 37321), Tennessee gets 55 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dayton (zip 37321) averages 4 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 Dayton (zip 37321). The US average is 205 sunny days.

Dayton (zip 37321) gets some kind of precipitation, on average, 122 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 the 37321 zip code is 7.4 (10=best), which means it is more comfortable than most places in Tennessee.

7.4 Summer - 6.2 Winter

September, May and October are the most pleasant months in the 37321 zip code, while January and December are the least comfortable months.

Climate	Dayton, Tennessee	United States
	Unlock	38.1 in.
	3.7 in.	Unlock
	Unlock	106.2 days
	210 days	Unlock
	87.9°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	732 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 the 37321 zip code with an average high temperature of 87.9°, which ranks it as cooler than most places in Tennessee. In the 37321 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 37321 zip code are May, September and October.

In the 37321 zip code, there are 27.5 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

January has the coldest nighttime temperatures for the 37321 zip code with an average of 26.7°. This is about average compared to other places in Tennessee.

In the 37321 zip code, there are 84.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Tennessee.

In the 37321 zip code, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Tennessee.

Humidity in the 37321 zip code 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.

December is the wettest month in the 37321 zip code with 5.3 inches of rain, and the driest month is October with 3.2 inches. The wettest season is Spring with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 55.2 inches in the 37321 zip code means that it is wetter than most places in Tennessee.

July is the rainiest month in the 37321 zip code with 12.3 days of rain, and October is the driest month with only 7.5 rainy days. There are 121.5 rainy days annually in the 37321 zip code, 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 20% chance of a rainy day.

An annual snowfall of 3.7 inches in the 37321 zip code means that it is about average compared to other places in Tennessee. February is the snowiest month in the 37321 zip code with 1.3 inches of snow, and 3 months of the year have significant snowfall.

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