2025 Compare Climate & Weather:
Rochester, NY vs Summerville, SC

Highlights

On average, there are 209 sunny days per year in Summerville. Rochester averages 165 sunny days per year. The US average is 205 sunny days.

Summerville, South Carolina gets 51 inches of rain, on average, per year. Rochester, New York gets 33.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Summerville averages 0.7 inches of snow per year. Rochester averages 77.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Rochester, New York
Summer High: the July high is around 81.5 degrees
Winter Low: the January low is 17.3
Rain: averages 33.4 inches of rain a year
Snow: averages 77.3 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Rochester is 6.6 (10=best), which means it is about average compared to other places in New York.

Today's Weather - Rochester, NY

52°F

Today's Weather - Summerville, SC

73°F

Average Monthly High / Low (°F)

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

July is the hottest month for Rochester with an average high temperature of 81.5°, which ranks it as about average compared to other places in New York. In Rochester, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rochester are June, August and July.

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.

January has the coldest nighttime temperatures for Rochester with an average of 17.3°. This is about average compared to other places in New York.

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

In Rochester, there are 5.8 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

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 Rochester, there are 131.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New York.

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 Rochester, there are 4.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New York.

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.

September is the wettest month in Rochester with 3.4 inches of rain, and the driest month is February with 1.7 inches. The wettest season is Autumn with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 33.4 inches in Rochester means that it is one of the driest places in New York.


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.

January is the rainiest month in Rochester with 15.4 days of rain, and August is the driest month with only 10.0 rainy days. There are 141.5 rainy days annually in Rochester, which is rainier than most places in New York. The rainiest season is Spring 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 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.

An annual snowfall of 77.3 inches in Rochester means that it is snowier than most places in New York.

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

January is the snowiest month in Rochester with 22.3 inches of snow, and 6 months of the year have significant snowfall.

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