2025 Compare Climate & Weather:
Arlington, TX vs Charleston, SC

Highlights

On average, there are 209 sunny days per year in Charleston. Arlington averages 235 sunny days per year. The US average is 205 sunny days.

Charleston, South Carolina gets 48.3 inches of rain, on average, per year. Arlington, Texas gets 39.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Charleston averages 0.4 inches of snow per year. Arlington averages 1.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Charleston, South Carolina
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 39.3
Rain: averages 48.3 inches of rain a year
Snow: averages 0.4 inches of snow a year

Arlington, Texas
Summer High: the July high is around 94.9 degrees
Winter Low: the January low is 34
Rain: averages 39.5 inches of rain a year
Snow: averages 1.2 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Arlington is 7.2 (10=best), which means it is more comfortable than most places in Texas.

Today's Weather - Arlington, TX

80°F

Today's Weather - Charleston, SC

70°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Arlington / Charleston

August is the hottest month for Arlington with an average high temperature of 95.6°, which ranks it as about average compared to other places in Texas. In Arlington, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arlington are October, April and May.

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

January has the coldest nighttime temperatures for Arlington with an average of 34.0°. This is colder than most places in Texas.

January has the coldest nighttime temperatures for Charleston with an average of 39.3°. This is one of the warmest places in South Carolina.

In Arlington, there are 89.1 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

In Charleston, there are 41.1 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Arlington, there are 39.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Texas.

In Charleston, 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 Arlington, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

In Charleston, 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.

May is the wettest month in Arlington with 4.8 inches of rain, and the driest month is August with 2.1 inches. The wettest season is Summer with 29% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 39.5 inches in Arlington means that it is wetter than most places in Texas.


August is the wettest month in Charleston 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 Charleston means that it is wetter than most places in South Carolina.

May is the rainiest month in Arlington with 8.7 days of rain, and August is the driest month with only 4.7 rainy days. There are 77.1 rainy days annually in Arlington, which is rainier than most places in Texas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

August is the rainiest month in Charleston with 11.7 days of rain, and May is the driest month with only 6.8 rainy days. There are 105.9 rainy days annually in Charleston, 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 1.2 inches in Arlington means that it is snowier than most places in Texas.

An annual snowfall of 0.4 inches in Charleston means that it is less snowy than most places in South Carolina.

February is the snowiest month in Arlington with 0.6 inches of snow, and 1 month of the year have significant snowfall.

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