Zip 37938 (Knoxville, TN) Climate

Knoxville, TN has a humid subtropical climate, with mild winters and hot and humid summers. On average, the area receives around 50 inches of rainfall each year, with most occurring in May, June, August and September. The temperature range in Knoxville is generally between 30-90°F (0–32°C). Snowfall is rare but does occur occasionally during the winter months. During the summer months temperatures can be quite warm, but humidity levels remain relatively low allowing for comfortable days and nights.

Knoxville (zip 37938), Tennessee gets 53 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Knoxville (zip 37938) averages 6 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Knoxville (zip 37938). The US average is 205 sunny days.

Knoxville (zip 37938) gets some kind of precipitation, on average, 127 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 87 degrees
Winter Low: the January low is 27
Rain: averages 53 inches of rain a year
Snow: averages 6 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 37938 zip code is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

7.4 Summer - 6 Winter

September, May and October are the most pleasant months in the 37938 zip code, while January and December are the least comfortable months.

Climate	Knoxville, Tennessee	United States
	52.5 in.	38.1 in.
	5.5 in.	27.8 in.
	127.3 days	106.2 days
	206 days	205 days
	87.3°	85.8°
	26.7°	21.7°
	7.3	7
	4.6	4.3
	1207 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 the 37938 zip code with an average high temperature of 87.3°, which ranks it as cooler than most places in Tennessee. In the 37938 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 37938 zip code are May, September and June.

In the 37938 zip code, there are 23.5 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 37938 zip code with an average of 26.7°. This is about average compared to other places in Tennessee.

In the 37938 zip code, there are 86.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In the 37938 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 37938 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.

July is the wettest month in the 37938 zip code with 5.2 inches of rain, and the driest month is October with 2.9 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 52.5 inches in the 37938 zip code means that it is drier than most places in Tennessee.

July is the rainiest month in the 37938 zip code with 12.5 days of rain, and September is the driest month with only 8.3 rainy days. There are 127.3 rainy days annually in the 37938 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 21% chance of a rainy day.

An annual snowfall of 5.5 inches in the 37938 zip code means that it is snowier than most places in Tennessee. January is the snowiest month in the 37938 zip code with 2.1 inches of snow, and 4 months of the year have significant snowfall.

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