2025 Compare Climate & Weather:
Fort Mill, SC vs Cornelius, NC

Highlights

On average, there are 215 sunny days per year in Cornelius. Fort Mill averages 211 sunny days per year. The US average is 205 sunny days.

Cornelius, North Carolina gets 43.1 inches of rain, on average, per year. Fort Mill, South Carolina gets 44.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Cornelius averages 2.7 inches of snow per year. Fort Mill averages 2.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Cornelius, North Carolina
Summer High: the July high is around 89.3 degrees
Winter Low: the January low is 28.1
Rain: averages 43.1 inches of rain a year
Snow: averages 2.7 inches of snow a year

Fort Mill, South Carolina
Summer High: the July high is around 90.4 degrees
Winter Low: the January low is 30.8
Rain: averages 44.1 inches of rain a year
Snow: averages 2.5 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Fort Mill is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

Today's Weather - Fort Mill, SC

79°F

Today's Weather - Cornelius, NC

76°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Fort Mill / Cornelius

July is the hottest month for Fort Mill with an average high temperature of 90.4°, which ranks it as cooler than most places in South Carolina. In Fort Mill, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fort Mill are May, September and April.

July is the hottest month for Cornelius with an average high temperature of 89.3°, which ranks it as about average compared to other places in North Carolina. In Cornelius, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cornelius are May, September and October.

January has the coldest nighttime temperatures for Fort Mill with an average of 30.8°. This is colder than most places in South Carolina.

January has the coldest nighttime temperatures for Cornelius with an average of 28.1°. This is colder than most places in North Carolina.

In Fort Mill, there are 46.4 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Cornelius, there are 40.4 days annually when the high temperature is over 90°, which is hotter than most places in North Carolina.

In Fort Mill, there are 58.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

In Cornelius, there are 76.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in North Carolina.

In Fort Mill, 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 Cornelius, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in North Carolina.

August is the wettest month in Fort Mill with 4.3 inches of rain, and the driest month is May with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 23% occurs in Summer, which is the driest season. The annual rainfall of 44.1 inches in Fort Mill means that it is one of the driest places in South Carolina.


July is the wettest month in Cornelius with 4.3 inches of rain, and the driest month is April with 3.2 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 43.1 inches in Cornelius means that it is one of the driest places in North Carolina.

March is the rainiest month in Fort Mill with 9.1 days of rain, and September is the driest month with only 6.3 rainy days. There are 98.9 rainy days annually in Fort Mill, which is less rainy than most places in South Carolina. The rainiest season is Spring when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

July is the rainiest month in Cornelius with 10.5 days of rain, and October is the driest month with only 7.0 rainy days. There are 107.2 rainy days annually in Cornelius, which is less rainy than most places in North Carolina. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 2.5 inches in Fort Mill means that it is one of the snowiest places in South Carolina.

An annual snowfall of 2.7 inches in Cornelius means that it is about average compared to other places in North Carolina.

February is the snowiest month in Fort Mill with 1.0 inches of snow, and 2 months of the year have significant snowfall.

January is the snowiest month in Cornelius with 1.2 inches of snow, and 2 months of the year have significant snowfall.