2025 Compare Climate & Weather:
Chicago, IL vs Tega Cay, SC

Highlights

On average, there are 216 sunny days per year in Tega Cay. Chicago averages 189 sunny days per year. The US average is 205 sunny days.

Tega Cay, South Carolina gets 44.1 inches of rain, on average, per year. Chicago, Illinois gets 38.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Tega Cay averages 2.7 inches of snow per year. Chicago averages 35.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Tega Cay, South Carolina
Summer High: the July high is around 90.4 degrees
Winter Low: the January low is 30.8
Rain: averages 44.1 inches of rain a year
Snow: averages 2.7 inches of snow a year

Chicago, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 19.2
Rain: averages 38.2 inches of rain a year
Snow: averages 35.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Tega Cay is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

The annual BestPlaces Comfort Index for Chicago is 7.0 (10=best), which means it is about average compared to other places in Illinois.

Today's Weather - Chicago, IL

49°F

Today's Weather - Tega Cay, SC

61°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chicago / Tega Cay

July is the hottest month for Chicago with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Chicago, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chicago are June, September and August.

July is the hottest month for Tega Cay with an average high temperature of 90.4°, which ranks it as cooler than most places in South Carolina. In Tega Cay, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tega Cay are May, September and April.

January has the coldest nighttime temperatures for Chicago with an average of 19.2°. This is warmer than most places in Illinois.

January has the coldest nighttime temperatures for Tega Cay with an average of 30.8°. This is colder than most places in South Carolina.

In Chicago, there are 13.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Tega Cay, there are 46.3 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In Chicago, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Tega Cay, there are 58.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

In Chicago, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

In Tega Cay, 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.

August is the wettest month in Chicago with 4.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois.


August is the wettest month in Tega Cay with 4.2 inches of rain, and the driest month is May with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 24% occurs in Summer, which is the driest season. The annual rainfall of 44.1 inches in Tega Cay means that it is one of the driest places in South Carolina.

May is the rainiest month in Chicago with 11.5 days of rain, and February is the driest month with only 8.4 rainy days. There are 124.8 rainy days annually in Chicago, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

July is the rainiest month in Tega Cay with 9.5 days of rain, and September is the driest month with only 6.5 rainy days. There are 103.0 rainy days annually in Tega Cay, which is about average compared to other places in South Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 35.1 inches in Chicago means that it is one of the snowiest places in Illinois.

An annual snowfall of 2.7 inches in Tega Cay means that it is one of the snowiest places in South Carolina.

January is the snowiest month in Chicago with 11.0 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Tega Cay with 1.3 inches of snow, and 2 months of the year have significant snowfall.