2025 Compare Climate & Weather:
Peachtree Corners, GA vs Mount Pleasant, SC

Highlights

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

Mount Pleasant, South Carolina gets 48.3 inches of rain, on average, per year. Peachtree Corners, Georgia gets 53.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mount Pleasant averages 0.3 inches of snow per year. Peachtree Corners averages 1.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Peachtree Corners, Georgia
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 30.7
Rain: averages 53.6 inches of rain a year
Snow: averages 1.1 inches of snow a year

BestPlaces Comfort Index

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.

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

Today's Weather - Peachtree Corners, GA

59°F

Today's Weather - Mount Pleasant, SC

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Peachtree Corners / Mount Pleasant

July is the hottest month for Peachtree Corners with an average high temperature of 87.2°, which ranks it as one of the coolest places in Georgia. In Peachtree Corners, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Peachtree Corners are May, September and April.

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.

January has the coldest nighttime temperatures for Peachtree Corners with an average of 30.7°. This is colder than most places in Georgia.

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.

In Peachtree Corners, there are 23.7 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

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 Peachtree Corners, there are 59.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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 Peachtree Corners, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

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.

March is the wettest month in Peachtree Corners with 5.1 inches of rain, and the driest month is April with 3.7 inches. The wettest season is Spring with 26% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 53.6 inches in Peachtree Corners means that it is wetter than most places in Georgia.


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 rainiest month in Peachtree Corners with 10.4 days of rain, and October is the driest month with only 6.7 rainy days. There are 106.1 rainy days annually in Peachtree Corners, which is rainier than most places in Georgia. The rainiest season is Spring when it rains 27% of the time and the driest is Winter with only a 20% chance of a rainy day.

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.

An annual snowfall of 1.1 inches in Peachtree Corners means that it is snowier than most places in Georgia.

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

January is the snowiest month in Peachtree Corners with 0.4 inches of snow, and no months of the year have significant snowfall.

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