2025 Compare Climate & Weather:
Flat Rock, NC vs Bluffton, SC

Highlights

On average, there are 217 sunny days per year in Bluffton. Flat Rock averages 214 sunny days per year. The US average is 205 sunny days.

Bluffton, South Carolina gets 48.1 inches of rain, on average, per year. Flat Rock, North Carolina gets 51.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Bluffton averages 0.1 inches of snow per year. Flat Rock averages 8.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Bluffton, South Carolina
Summer High: the July high is around 90.9 degrees
Winter Low: the January low is 39.2
Rain: averages 48.1 inches of rain a year
Snow: averages 0.1 inches of snow a year

Flat Rock, North Carolina
Summer High: the July high is around 83.7 degrees
Winter Low: the January low is 26
Rain: averages 51.9 inches of rain a year
Snow: averages 8.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Bluffton is 7.1 (10=best), which means it is one of the least comfortable places in South Carolina.

The annual BestPlaces Comfort Index for Flat Rock is 7.5 (10=best), which means it is more comfortable than most places in North Carolina.

Today's Weather - Flat Rock, NC

59°F

Today's Weather - Bluffton, SC

70°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Flat Rock / Bluffton

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

July is the hottest month for Bluffton with an average high temperature of 90.9°, which ranks it as about average compared to other places in South Carolina. In Bluffton, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bluffton are October, April and May.

January has the coldest nighttime temperatures for Flat Rock with an average of 26.0°. This is colder than most places in North Carolina.

January has the coldest nighttime temperatures for Bluffton with an average of 39.2°. This is one of the warmest places in South Carolina.

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

In Bluffton, there are 52.0 days annually when the high temperature is over 90°, which is about average compared to other places in South Carolina.

In Flat Rock, there are 94.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in North Carolina.

In Bluffton, there are 17.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

In Flat Rock, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in North Carolina.

In Bluffton, 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.

June is the wettest month in Flat Rock with 5.0 inches of rain, and the driest month is October with 3.3 inches. The wettest season is Autumn with 28% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 51.9 inches in Flat Rock means that it is wetter than most places in North Carolina.


August is the wettest month in Bluffton with 7.1 inches of rain, and the driest month is May with 2.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 48.1 inches in Bluffton means that it is wetter than most places in South Carolina.

July is the rainiest month in Flat Rock with 12.8 days of rain, and October is the driest month with only 8.1 rainy days. There are 125.7 rainy days annually in Flat Rock, which is one of the rainiest places in North Carolina. The rainiest season is Autumn when it rains 30% of the time and the driest is Winter with only a 22% chance of a rainy day.

August is the rainiest month in Bluffton with 12.3 days of rain, and May is the driest month with only 6.4 rainy days. There are 103.6 rainy days annually in Bluffton, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 20% chance of a rainy day.

An annual snowfall of 8.6 inches in Flat Rock means that it is one of the snowiest places in North Carolina.

An annual snowfall of 0.1 inches in Bluffton means that it is one of the least snowy places in South Carolina.

January is the snowiest month in Flat Rock with 3.7 inches of snow, and 5 months of the year have significant snowfall.

December is the snowiest month in Bluffton with 0.1 inches of snow, and no months of the year have significant snowfall.