2025 Compare Climate & Weather:
Salt Lake City, UT vs Charleston, SC

Highlights

On average, there are 209 sunny days per year in Charleston. Salt Lake City averages 222 sunny days per year. The US average is 205 sunny days.

Charleston, South Carolina gets 48.3 inches of rain, on average, per year. Salt Lake City, Utah gets 19.5 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. Salt Lake City averages 53.6 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

Salt Lake City, Utah
Summer High: the July high is around 91 degrees
Winter Low: the January low is 23.3
Rain: averages 19.5 inches of rain a year
Snow: averages 53.6 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 Salt Lake City is 7.2 (10=best), which means it is more comfortable than most places in Utah.

Today's Weather - Salt Lake City, UT

54°F

Today's Weather - Charleston, SC

69°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Salt Lake City / Charleston

July is the hottest month for Salt Lake City with an average high temperature of 91.0°, which ranks it as warmer than most places in Utah. In Salt Lake City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Salt Lake City are September, June 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 Salt Lake City with an average of 23.3°. This is one of the warmest places in Utah.

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 Salt Lake City, there are 41.8 days annually when the high temperature is over 90°, which is hotter than most places in Utah.

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 Salt Lake City, there are 104.8 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Utah.

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 Salt Lake City, there are 0.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Utah.

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.

April is the wettest month in Salt Lake City with 2.4 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Summer with 36% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 19.5 inches in Salt Lake City means that it is wetter than most places in Utah.


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.

April is the rainiest month in Salt Lake City with 9.7 days of rain, and July is the driest month with only 4.1 rainy days. There are 91.4 rainy days annually in Salt Lake City, which is rainier than most places in Utah. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 16% 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 53.6 inches in Salt Lake City means that it is snowier than most places in Utah.

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

December is the snowiest month in Salt Lake City with 12.1 inches of snow, and 7 months 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.