2025 Compare Climate & Weather:
St. Louis, MO vs Black Mountain, NC

Highlights

On average, there are 213 sunny days per year in Black Mountain. St. Louis averages 202 sunny days per year. The US average is 205 sunny days.

Black Mountain, North Carolina gets 44.9 inches of rain, on average, per year. St. Louis, Missouri gets 42.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Black Mountain averages 11.7 inches of snow per year. St. Louis averages 15.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

St. Louis, Missouri
Summer High: the July high is around 88.5 degrees
Winter Low: the January low is 22.8
Rain: averages 42.2 inches of rain a year
Snow: averages 15.5 inches of snow a year

BestPlaces Comfort Index

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.

The annual BestPlaces Comfort Index for St. Louis is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

Today's Weather - St. Louis, MO

63°F

Today's Weather - Black Mountain, NC

67°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: St. Louis / Black Mountain

July is the hottest month for St. Louis with an average high temperature of 88.5°, which ranks it as about average compared to other places in Missouri. In St. Louis, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Louis are May, September and June.

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.

January has the coldest nighttime temperatures for St. Louis with an average of 22.8°. This is warmer than most places in Missouri.

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

In St. Louis, there are 36.0 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.

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 St. Louis, there are 91.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

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 St. Louis, there are 1.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Missouri.

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.

May is the wettest month in St. Louis with 4.8 inches of rain, and the driest month is February with 2.3 inches. The wettest season is Summer with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in St. Louis means that it is drier than most places in Missouri.


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.

May is the rainiest month in St. Louis with 11.3 days of rain, and September is the driest month with only 7.0 rainy days. There are 105.3 rainy days annually in St. Louis, which is rainier than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 23% chance of a rainy day.

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.

An annual snowfall of 15.5 inches in St. Louis means that it is snowier than most places in Missouri.

An annual snowfall of 11.7 inches in Black Mountain means that it is one of the snowiest places in North Carolina.

January is the snowiest month in St. Louis with 4.9 inches of snow, and 5 months of the year have significant snowfall.

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