2025 Compare Climate & Weather:
Madison, WI vs Summerville, SC

Highlights

On average, there are 209 sunny days per year in Summerville. Madison averages 187 sunny days per year. The US average is 205 sunny days.

Summerville, South Carolina gets 51 inches of rain, on average, per year. Madison, Wisconsin gets 36.1 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. Madison averages 42.4 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

Madison, Wisconsin
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 10.2
Rain: averages 36.1 inches of rain a year
Snow: averages 42.4 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 Madison is 6.7 (10=best), which means it is one of the most pleasant places in Wisconsin.

Today's Weather - Madison, WI

68°F

Today's Weather - Summerville, SC

70°F

Average Monthly High / Low (°F)

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

July is the hottest month for Madison with an average high temperature of 81.9°, which ranks it as warmer than most places in Wisconsin. In Madison, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Madison 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 Madison with an average of 10.2°. This is warmer than most places in Wisconsin.

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

In Madison, there are 6.6 days annually when the high temperature is over 90°, which is hotter than most places in Wisconsin.

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 Madison, there are 149.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wisconsin.

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 Madison, there are 17.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.

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.

June is the wettest month in Madison with 4.7 inches of rain, and the driest month is January with 1.2 inches. The wettest season is Autumn with 36% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 36.1 inches in Madison means that it is one of the wettest places in Wisconsin.


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.

May is the rainiest month in Madison with 11.8 days of rain, and February is the driest month with only 7.5 rainy days. There are 114.9 rainy days annually in Madison, which is rainier than most places in Wisconsin. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 21% 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 42.4 inches in Madison means that it is about average compared to other places in Wisconsin.

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

December is the snowiest month in Madison with 11.3 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.