2025 Compare Climate & Weather:
Charleston, SC vs Asheville, NC

Highlights

On average, there are 212 sunny days per year in Asheville. Charleston averages 209 sunny days per year. The US average is 205 sunny days.

Asheville, North Carolina gets 43.7 inches of rain, on average, per year. Charleston, South Carolina gets 48.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Asheville averages 10.2 inches of snow per year. Charleston averages 0.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Asheville, North Carolina
Summer High: the July high is around 83.7 degrees
Winter Low: the January low is 25.1
Rain: averages 43.7 inches of rain a year
Snow: averages 10.2 inches of snow a year

Charleston, South Carolina
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 39.3
Rain: averages 48.3 inches of rain a year
Snow: averages 0.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Charleston is 7.2 (10=best), which means it is less comfortable than most places in South Carolina.

Today's Weather - Charleston, SC

80°F

Today's Weather - Asheville, NC

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Charleston / Asheville

July is the hottest month for Charleston with an average high temperature of 89.9°, which ranks it as cooler than most places in South Carolina. In Charleston, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Charleston are October, May and April.

July is the hottest month for Asheville with an average high temperature of 83.7°, which ranks it as one of the coolest places in North Carolina. In Asheville, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Asheville are September, June and May.

January has the coldest nighttime temperatures for Charleston with an average of 39.3°. This is one of the warmest places in South Carolina.

January has the coldest nighttime temperatures for Asheville with an average of 25.1°. This is one of the coldest places in North Carolina.

In Charleston, there are 41.1 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Asheville, there are 6.7 days annually when the high temperature is over 90°, which is one of the coolest places in North Carolina.

In Charleston, there are 17.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

In Asheville, there are 100.8 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in North Carolina.

In Charleston, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.

In Asheville, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in North Carolina.

August is the wettest month in Charleston with 6.7 inches of rain, and the driest month is May with 2.5 inches. The wettest season is Autumn with 36% of yearly precipitation and 19% occurs in Summer, which is the driest season. The annual rainfall of 48.3 inches in Charleston means that it is wetter than most places in South Carolina.


June is the wettest month in Asheville with 4.3 inches of rain, and the driest month is October with 2.7 inches. The wettest season is Autumn with 29% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 43.7 inches in Asheville means that it is one of the driest places in North Carolina.

August is the rainiest month in Charleston with 11.7 days of rain, and May is the driest month with only 6.8 rainy days. There are 105.9 rainy days annually in Charleston, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 21% chance of a rainy day.

July is the rainiest month in Asheville with 12.1 days of rain, and October is the driest month with only 7.2 rainy days. There are 118.1 rainy days annually in Asheville, which is rainier than most places in North Carolina. The rainiest season is Autumn when it rains 29% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 0.4 inches in Charleston means that it is less snowy than most places in South Carolina.

An annual snowfall of 10.2 inches in Asheville means that it is one of the snowiest places in North Carolina.

December is the snowiest month in Charleston with 0.2 inches of snow, and no months of the year have significant snowfall.

January is the snowiest month in Asheville with 3.8 inches of snow, and 5 months of the year have significant snowfall.