Zip 37148 (Portland, TN) Climate

The climate in Portland, TN (37148) is characterized by four distinct seasons. Summers are generally hot and humid with temperatures ranging from the low to mid-80s. Winters are mild with temperatures rarely dropping below freezing and some occasional snowfall. Spring brings mild temperatures, blooming flowers, and often cloudy skies. Autumn is crisp and cool with beautiful foliage throughout the area. In general, Portland has a fairly moderate climate that makes it an ideal place to live year-round.

Portland (zip 37148), Tennessee gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Portland (zip 37148) averages 5 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 Portland (zip 37148). The US average is 205 sunny days.

Portland (zip 37148) gets some kind of precipitation, on average, 112 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 26
Rain: averages 51 inches of rain a year
Snow: averages 5 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 37148 zip code is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

7.2 Summer - 6 Winter

September, May and October are the most pleasant months in the 37148 zip code, while January and December are the least comfortable months.

Climate	Portland, Tennessee	United States
	Unlock	38.1 in.
	4.8 in.	Unlock
	Unlock	106.2 days
	208 days	Unlock
	88.1°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	820 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 37148 zip code with an average high temperature of 88.1°, which ranks it as cooler than most places in Tennessee. In the 37148 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 37148 zip code are May, September and June.

In the 37148 zip code, there are 30.6 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 37148 zip code with an average of 25.9°. This is colder than most places in Tennessee.

In the 37148 zip code, there are 83.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Tennessee.

In the 37148 zip code, there are 0.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Tennessee.

The humidity can be uncomfortably heavy or close in the 37148 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 37148 zip code.

May is the wettest month in the 37148 zip code with 5.8 inches of rain, and the driest month is August with 3.4 inches. The wettest season is Summer with 29% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 51.2 inches in the 37148 zip code means that it is drier than most places in Tennessee.

May is the rainiest month in the 37148 zip code with 11.1 days of rain, and September is the driest month with only 7.3 rainy days. There are 111.7 rainy days annually in the 37148 zip code, which is less rainy than most 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 4.8 inches in the 37148 zip code means that it is snowier than most places in Tennessee. February is the snowiest month in the 37148 zip code with 2.2 inches of snow, and 3 months of the year have significant snowfall.

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