2025 Compare Climate & Weather:
Lake Charles, LA vs Charleston, SC

Highlights

On average, there are 209 sunny days per year in Charleston. Lake Charles averages 213 sunny days per year. The US average is 205 sunny days.

Charleston, South Carolina gets 48.3 inches of rain, on average, per year. Lake Charles, Louisiana gets 61.9 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. Lake Charles averages 0 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

Lake Charles, Louisiana
Summer High: the July high is around 91.3 degrees
Winter Low: the January low is 40.7
Rain: averages 61.9 inches of rain a year
Snow: averages 0 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 Lake Charles is 6.7 (10=best), which means it is less comfortable than most places in Louisiana.

Today's Weather - Lake Charles, LA

76°F

Today's Weather - Charleston, SC

72°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Lake Charles / Charleston

August is the hottest month for Lake Charles with an average high temperature of 92.0°, which ranks it as about average compared to other places in Louisiana. In Lake Charles, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lake Charles are April, October 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 Lake Charles with an average of 40.7°. This is warmer than most places in Louisiana.

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 Lake Charles, there are 72.4 days annually when the high temperature is over 90°, which is cooler than most places in Louisiana.

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 Lake Charles, there are 15.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Louisiana.

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 Lake Charles, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Louisiana.

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.

June is the wettest month in Lake Charles with 7.2 inches of rain, and the driest month is April with 3.7 inches. The wettest season is Autumn with 30% of yearly precipitation and 21% occurs in Summer, which is the driest season. The annual rainfall of 61.9 inches in Lake Charles means that it is wetter than most places in Louisiana.


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.

July is the rainiest month in Lake Charles with 12.7 days of rain, and April is the driest month with only 6.7 rainy days. There are 117.2 rainy days annually in Lake Charles, which is one of the rainiest places in Louisiana. The rainiest season is Autumn when it rains 30% of the time and the driest is Summer with only a 20% 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.

There is rarely any recorded snowfall in Lake Charles, ranking it as one of the least snowy places in Louisiana.

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

Any measurable snowfall is a rare occurance in Lake Charles.

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