2025 Compare Climate & Weather:
Summerville, SC vs Corona, CA

Highlights

On average, there are 275 sunny days per year in Corona. Summerville averages 209 sunny days per year. The US average is 205 sunny days.

Corona, California gets 12.2 inches of rain, on average, per year. Summerville, South Carolina gets 51 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Corona averages 0 inches of snow per year. Summerville averages 0.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Corona, California
Summer High: the July high is around 93.1 degrees
Winter Low: the January low is 42.2
Rain: averages 12.2 inches of rain a year
Snow: averages 0 inches of snow a year

Summerville, South Carolina
Summer High: the July high is around 91.5 degrees
Winter Low: the January low is 34.6
Rain: averages 51 inches of rain a year
Snow: averages 0.7 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Corona is 8.7 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Summerville is 7.3 (10=best), which means it is less comfortable than most places in South Carolina.

Today's Weather - Summerville, SC

68°F

Today's Weather - Corona, CA

101°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Summerville / Corona

July is the hottest month for Summerville with an average high temperature of 91.5°, which ranks it as warmer than most places in South Carolina. In Summerville, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Summerville are October, April and May.

August is the hottest month for Corona with an average high temperature of 94.6°, which ranks it as warmer than most places in California. In Corona, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Corona are April, May and November.

January has the coldest nighttime temperatures for Summerville with an average of 34.6°. This is warmer than most places in South Carolina.

December has the coldest nighttime temperatures for Corona with an average of 41.0°. This is warmer than most places in California.

In Summerville, there are 60.7 days annually when the high temperature is over 90°, which is hotter than most places in South Carolina.

In Corona, there are 88.9 days annually when the high temperature is over 90°, which is hotter than most places in California.

In Summerville, there are 39.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Carolina.

In Corona, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

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

August is the wettest month in Summerville with 6.7 inches of rain, and the driest month is November with 2.8 inches. The wettest season is Autumn with 36% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 51.0 inches in Summerville means that it is wetter than most places in South Carolina.


February is the wettest month in Corona with 2.8 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 59% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 12.2 inches in Corona means that it is drier than most places in California.

August is the rainiest month in Summerville with 12.3 days of rain, and November is the driest month with only 6.7 rainy days. There are 103.7 rainy days annually in Summerville, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 21% chance of a rainy day.

February is the rainiest month in Corona with 5.9 days of rain, and August is the driest month with only 0.3 rainy days. There are 31.7 rainy days annually in Corona, which is less rainy than most places in California. The rainiest season is Spring when it rains 49% of the time and the driest is Autumn with only a 4% chance of a rainy day.

An annual snowfall of 0.7 inches in Summerville means that it is about average compared to other places in South Carolina.

There is rarely any recorded snowfall in Corona, ranking it as one of the least snowy places in California.

December is the snowiest month in Summerville with 0.3 inches of snow, and no months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Corona.