2025 Compare Climate & Weather:
Mount Pleasant, SC vs Columbia, SC

Highlights

On average, there are 217 sunny days per year in Columbia. Mount Pleasant averages 211 sunny days per year. The US average is 205 sunny days.

Columbia, South Carolina gets 45.5 inches of rain, on average, per year. Mount Pleasant, South Carolina gets 48.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Columbia averages 0.9 inches of snow per year. Mount Pleasant averages 0.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Columbia, South Carolina
Summer High: the July high is around 93.6 degrees
Winter Low: the January low is 35
Rain: averages 45.5 inches of rain a year
Snow: averages 0.9 inches of snow a year

Mount Pleasant, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 39.3
Rain: averages 48.3 inches of rain a year
Snow: averages 0.3 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Mount Pleasant, SC

70°F

Today's Weather - Columbia, SC

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mount Pleasant / Columbia

July is the hottest month for Mount Pleasant with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Mount Pleasant, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Pleasant are October, May and April.

July is the hottest month for Columbia with an average high temperature of 93.6°, which ranks it as one of the hottest places in South Carolina. In Columbia, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Columbia are April, October and May.

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

January has the coldest nighttime temperatures for Columbia with an average of 35.0°. This is warmer than most places in South Carolina.

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

In Columbia, there are 79.0 days annually when the high temperature is over 90°, which is one of the hottest places in South Carolina.

In Mount Pleasant, 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 Columbia, there are 39.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Carolina.

In Mount Pleasant, 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 Columbia, 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.

August is the wettest month in Mount Pleasant 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 Mount Pleasant means that it is wetter than most places in South Carolina.


July is the wettest month in Columbia with 5.3 inches of rain, and the driest month is April with 2.7 inches. The wettest season is Autumn with 34% of yearly precipitation and 21% occurs in Summer, which is the driest season. The annual rainfall of 45.5 inches in Columbia means that it is drier than most places in South Carolina.

August is the rainiest month in Mount Pleasant with 11.6 days of rain, and May is the driest month with only 6.8 rainy days. There are 105.6 rainy days annually in Mount Pleasant, 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 Columbia with 11.2 days of rain, and September is the driest month with only 7.3 rainy days. There are 108.1 rainy days annually in Columbia, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 30% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 0.3 inches in Mount Pleasant means that it is less snowy than most places in South Carolina.

An annual snowfall of 0.9 inches in Columbia means that it is about average compared to other places in South Carolina.

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

January is the snowiest month in Columbia with 0.6 inches of snow, and 1 month of the year have significant snowfall.