2025 Compare Climate & Weather:
San Francisco, CA vs Mount Pleasant, SC

Highlights

On average, there are 211 sunny days per year in Mount Pleasant. San Francisco averages 259 sunny days per year. The US average is 205 sunny days.

Mount Pleasant, South Carolina gets 48.3 inches of rain, on average, per year. San Francisco, California gets 24.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mount Pleasant averages 0.3 inches of snow per year. San Francisco averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mount Pleasant, South Carolina
Summer High: the July high is around 89.8 degrees
Winter Low: the January low is 39.3
Rain: averages 48.3 inches of rain a year
Snow: averages 0.3 inches of snow a year

San Francisco, California
Summer High: the July high is around 67.2 degrees
Winter Low: the January low is 45.5
Rain: averages 24.6 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for San Francisco is 8.5 (10=best), which means it is more comfortable than most places in California.

Today's Weather - San Francisco, CA

52°F

Today's Weather - Mount Pleasant, SC

77°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: San Francisco / Mount Pleasant

September is the hottest month for San Francisco with an average high temperature of 69.9°, which ranks it as one of the coolest places in California. In San Francisco, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for San Francisco are September, October and August.

July is the hottest month for Mount Pleasant with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In Mount Pleasant, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Pleasant are October, May and April.

January has the coldest nighttime temperatures for San Francisco with an average of 45.5°. This is one of the warmest places in California.

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

In San Francisco, there are 1.9 days annually when the high temperature is over 90°, which is one of the coolest places in California.

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

In San Francisco, there are 0.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

In Mount Pleasant, 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 San Francisco, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

In Mount Pleasant, 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.

January is the wettest month in San Francisco with 4.8 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 24.6 inches in San Francisco means that it is wetter than most places in California.


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

December is the rainiest month in San Francisco with 11.7 days of rain, and July is the driest month with only 0.6 rainy days. There are 72.3 rainy days annually in San Francisco, which is rainier than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 4% chance of a rainy day.

August is the rainiest month in Mount Pleasant with 11.6 days of rain, and May is the driest month with only 6.8 rainy days. There are 105.6 rainy days annually in Mount Pleasant, 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 San Francisco, ranking it as one of the least snowy places in California.

An annual snowfall of 0.3 inches in Mount Pleasant means that it is less snowy than most places in South Carolina.

Any measurable snowfall is a rare occurance in San Francisco.

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