2025 Compare Climate & Weather:
Greer, SC vs Summerville, SC

Highlights

On average, there are 209 sunny days per year in Summerville. Greer averages 222 sunny days per year. The US average is 205 sunny days.

Summerville, South Carolina gets 51 inches of rain, on average, per year. Greer, South Carolina gets 50.8 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. Greer averages 2.5 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

Greer, South Carolina
Summer High: the July high is around 89.9 degrees
Winter Low: the January low is 30.5
Rain: averages 50.8 inches of rain a year
Snow: averages 2.5 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 Greer is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

Today's Weather - Greer, SC

59°F

Today's Weather - Summerville, SC

71°F

Average Monthly High / Low (°F)

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

July is the hottest month for Greer with an average high temperature of 89.9°, which ranks it as cooler than most places in South Carolina. In Greer, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Greer are May, September and April.

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 Greer with an average of 30.5°. This is colder than most places in South Carolina.

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

In Greer, there are 41.5 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

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 Greer, there are 61.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

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 Greer, 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 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.

July is the wettest month in Greer with 5.0 inches of rain, and the driest month is April with 3.6 inches. The wettest season is Autumn with 28% of yearly precipitation and 24% occurs in Winter, which is the driest season. The annual rainfall of 50.8 inches in Greer means that it is wetter than most places in South Carolina.


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.

July is the rainiest month in Greer with 10.8 days of rain, and October is the driest month with only 7.1 rainy days. There are 107.5 rainy days annually in Greer, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter 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 2.5 inches in Greer means that it is one of the snowiest places in South Carolina.

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 Greer with 1.2 inches of snow, and 3 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.