2025 Compare Climate & Weather:
Clemson, SC vs Carlisle, PA

Highlights

On average, there are 200 sunny days per year in Carlisle. Clemson averages 222 sunny days per year. The US average is 205 sunny days.

Carlisle, Pennsylvania gets 42.3 inches of rain, on average, per year. Clemson, South Carolina gets 51.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Carlisle averages 30.3 inches of snow per year. Clemson averages 1.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Carlisle, Pennsylvania
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 20.9
Rain: averages 42.3 inches of rain a year
Snow: averages 30.3 inches of snow a year

Clemson, South Carolina
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 30.9
Rain: averages 51.5 inches of rain a year
Snow: averages 1.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Carlisle is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

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

Today's Weather - Clemson, SC

66°F

Today's Weather - Carlisle, PA

57°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Clemson / Carlisle

July is the hottest month for Clemson with an average high temperature of 89.9°, which ranks it as cooler than most places in South Carolina. In Clemson, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Clemson are May, September and October.

July is the hottest month for Carlisle with an average high temperature of 84.8°, which ranks it as warmer than most places in Pennsylvania. In Carlisle, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carlisle are September, June and August.

January has the coldest nighttime temperatures for Clemson with an average of 30.9°. This is colder than most places in South Carolina.

January has the coldest nighttime temperatures for Carlisle with an average of 20.9°. This is warmer than most places in Pennsylvania.

In Clemson, there are 44.6 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Carlisle, there are 11.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Clemson, there are 57.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in South Carolina.

In Carlisle, there are 114.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Clemson, 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 Carlisle, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

December is the wettest month in Clemson with 4.8 inches of rain, and the driest month is April with 3.6 inches. The wettest season is Spring with 28% of yearly precipitation and 22% occurs in Winter, which is the driest season. The annual rainfall of 51.5 inches in Clemson means that it is one of the wettest places in South Carolina.


May is the wettest month in Carlisle with 4.2 inches of rain, and the driest month is January with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.

July is the rainiest month in Clemson with 10.0 days of rain, and October is the driest month with only 7.0 rainy days. There are 108.2 rainy days annually in Clemson, which is rainier 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 22% chance of a rainy day.

May is the rainiest month in Carlisle with 12.8 days of rain, and September is the driest month with only 8.7 rainy days. There are 122.4 rainy days annually in Carlisle, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% chance of a rainy day.

An annual snowfall of 1.8 inches in Clemson means that it is snowier than most places in South Carolina.

An annual snowfall of 30.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.

January is the snowiest month in Clemson with 0.8 inches of snow, and 2 months of the year have significant snowfall.

January is the snowiest month in Carlisle with 9.4 inches of snow, and 6 months of the year have significant snowfall.