2025 Compare Climate & Weather:
Port Royal, SC vs Chapel Hill, NC

Highlights

On average, there are 216 sunny days per year in Chapel Hill. Port Royal averages 211 sunny days per year. The US average is 205 sunny days.

Chapel Hill, North Carolina gets 46.3 inches of rain, on average, per year. Port Royal, South Carolina gets 47.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chapel Hill averages 3.8 inches of snow per year. Port Royal averages 0.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chapel Hill, North Carolina
Summer High: the July high is around 88.8 degrees
Winter Low: the January low is 29.3
Rain: averages 46.3 inches of rain a year
Snow: averages 3.8 inches of snow a year

Port Royal, South Carolina
Summer High: the July high is around 91.1 degrees
Winter Low: the January low is 39.1
Rain: averages 47.7 inches of rain a year
Snow: averages 0.1 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Port Royal, SC

69°F

Today's Weather - Chapel Hill, NC

54°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Port Royal / Chapel Hill

July is the hottest month for Port Royal with an average high temperature of 91.1°, which ranks it as about average compared to other places in South Carolina. In Port Royal, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Port Royal are October, April and May.

July is the hottest month for Chapel Hill with an average high temperature of 88.8°, which ranks it as cooler than most places in North Carolina. In Chapel Hill, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chapel Hill are May, September and October.

January has the coldest nighttime temperatures for Port Royal with an average of 39.1°. This is one of the warmest places in South Carolina.

January has the coldest nighttime temperatures for Chapel Hill with an average of 29.3°. This is about average compared to other places in North Carolina.

In Port Royal, there are 54.7 days annually when the high temperature is over 90°, which is about average compared to other places in South Carolina.

In Chapel Hill, there are 36.9 days annually when the high temperature is over 90°, which is about average compared to other places in North Carolina.

In Port Royal, there are 18.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

In Chapel Hill, there are 70.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in North Carolina.

In Port Royal, 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 Chapel Hill, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in North Carolina.

August is the wettest month in Port Royal with 7.1 inches of rain, and the driest month is May with 2.4 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 47.7 inches in Port Royal means that it is wetter than most places in South Carolina.


August is the wettest month in Chapel Hill with 4.6 inches of rain, and the driest month is April with 3.3 inches. The wettest season is Autumn with 28% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 46.3 inches in Chapel Hill means that it is drier than most places in North Carolina.

August is the rainiest month in Port Royal with 12.3 days of rain, and May is the driest month with only 6.6 rainy days. There are 104.5 rainy days annually in Port Royal, which is rainier than most 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.

July is the rainiest month in Chapel Hill with 10.9 days of rain, and October is the driest month with only 7.6 rainy days. There are 113.5 rainy days annually in Chapel Hill, which is rainier than most places in North Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

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

An annual snowfall of 3.8 inches in Chapel Hill means that it is snowier than most places in North Carolina.

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

January is the snowiest month in Chapel Hill with 1.9 inches of snow, and 2 months of the year have significant snowfall.