2025 Compare Climate & Weather:
Black Mountain, NC vs Johnson City, TN

Highlights

On average, there are 201 sunny days per year in Johnson City. Black Mountain averages 213 sunny days per year. The US average is 205 sunny days.

Johnson City, Tennessee gets 43.7 inches of rain, on average, per year. Black Mountain, North Carolina gets 44.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Johnson City averages 10.9 inches of snow per year. Black Mountain averages 11.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Johnson City, Tennessee
Summer High: the July high is around 85.5 degrees
Winter Low: the January low is 25.5
Rain: averages 43.7 inches of rain a year
Snow: averages 10.9 inches of snow a year

Black Mountain, North Carolina
Summer High: the July high is around 83.8 degrees
Winter Low: the January low is 25.9
Rain: averages 44.9 inches of rain a year
Snow: averages 11.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Johnson City is 7.5 (10=best), which means it is one of the most pleasant places in Tennessee.

The annual BestPlaces Comfort Index for Black Mountain is 7.6 (10=best), which means it is one of the most pleasant places in North Carolina.

Today's Weather - Black Mountain, NC

60°F

Today's Weather - Johnson City, TN

63°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Black Mountain / Johnson City

July is the hottest month for Black Mountain with an average high temperature of 83.8°, which ranks it as one of the coolest places in North Carolina. In Black Mountain, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Black Mountain are September, June and May.

July is the hottest month for Johnson City with an average high temperature of 85.5°, which ranks it as cooler than most places in Tennessee. In Johnson City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Johnson City are September, May and June.

January has the coldest nighttime temperatures for Black Mountain with an average of 25.9°. This is colder than most places in North Carolina.

January has the coldest nighttime temperatures for Johnson City with an average of 25.5°. This is colder than most places in Tennessee.

In Black Mountain, there are 6.3 days annually when the high temperature is over 90°, which is one of the coolest places in North Carolina.

In Johnson City, there are 14.7 days annually when the high temperature is over 90°, which is cooler than most places in Tennessee.

In Black Mountain, there are 96.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in North Carolina.

In Johnson City, there are 94.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In Black Mountain, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in North Carolina.

In Johnson City, there are 0.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Tennessee.

June is the wettest month in Black Mountain with 4.3 inches of rain, and the driest month is October with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 44.9 inches in Black Mountain means that it is drier than most places in North Carolina.


July is the wettest month in Johnson City with 5.2 inches of rain, and the driest month is October with 2.2 inches. The wettest season is Autumn with 31% of yearly precipitation and 19% occurs in Winter, which is the driest season. The annual rainfall of 43.7 inches in Johnson City means that it is one of the driest places in Tennessee.

July is the rainiest month in Black Mountain with 12.8 days of rain, and October is the driest month with only 7.9 rainy days. There are 125.5 rainy days annually in Black Mountain, which is one of the rainiest places in North Carolina. The rainiest season is Autumn when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

July is the rainiest month in Johnson City with 12.9 days of rain, and October is the driest month with only 8.4 rainy days. There are 134.8 rainy days annually in Johnson City, which is one of the rainiest places in Tennessee. The rainiest season is Autumn 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 11.7 inches in Black Mountain means that it is one of the snowiest places in North Carolina.

An annual snowfall of 10.9 inches in Johnson City means that it is one of the snowiest places in Tennessee.

January is the snowiest month in Black Mountain with 4.0 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Johnson City with 4.0 inches of snow, and 5 months of the year have significant snowfall.