Zip 37031 (Castalian Springs, TN) Climate

The climate in 37031 Castalian Springs, TN varies throughout the year. The summers are generally hot and humid, with temperatures reaching into the 80s and sometimes even 90s during the hottest days. Winters tend to be cool and wet with temperatures dropping below freezing on some nights. Spring and fall tend to have milder weather with temperature usually in the 50s and 60s. There is some precipitation all year round, although most of it falls during spring or autumn months.

Castalian Springs (zip 37031), Tennessee gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Castalian Springs (zip 37031) averages 3 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 208 sunny days per year in Castalian Springs (zip 37031). The US average is 205 sunny days.

Castalian Springs (zip 37031) gets some kind of precipitation, on average, 115 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 52 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 37031 zip code is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

7.2 Summer - 6.1 Winter

September, May and October are the most pleasant months in the 37031 zip code, while January and December are the least comfortable months.

Climate	Castalian Springs, Tennessee	United States
	52.4 in.	38.1 in.
	3.1 in.	27.8 in.
	115.2 days	106.2 days
	208 days	205 days
	88.9°	85.8°
	25.9°	21.7°
	7.3	7
	4.6	4.3
	581 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 37031 zip code with an average high temperature of 88.9°, which ranks it as warmer than most places in Tennessee. In the 37031 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 37031 zip code are May, September and October.

In the 37031 zip code, there are 34.5 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.

January has the coldest nighttime temperatures for the 37031 zip code with an average of 25.9°. This is colder than most places in Tennessee.

In the 37031 zip code, there are 89.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In the 37031 zip code, 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 the 37031 zip code 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 the 37031 zip code.

May is the wettest month in the 37031 zip code with 5.9 inches of rain, and the driest month is October with 3.5 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 52.4 inches in the 37031 zip code means that it is drier than most places in Tennessee.

May is the rainiest month in the 37031 zip code with 11.4 days of rain, and September is the driest month with only 7.2 rainy days. There are 115.2 rainy days annually in the 37031 zip code, which is about average compared to other 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 3.1 inches in the 37031 zip code means that it is less snowy than most places in Tennessee. February is the snowiest month in the 37031 zip code with 1.2 inches of snow, and 3 months of the year have significant snowfall.

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