2025 Compare Climate & Weather:
Cary, IL vs Rockford, MI

Highlights

On average, there are 160 sunny days per year in Rockford. Cary averages 192 sunny days per year. The US average is 205 sunny days.

Rockford, Michigan gets 37.1 inches of rain, on average, per year. Cary, Illinois gets 36.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Rockford averages 66.2 inches of snow per year. Cary averages 37.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Rockford, Michigan
Summer High: the July high is around 82.6 degrees
Winter Low: the January low is 15.4
Rain: averages 37.1 inches of rain a year
Snow: averages 66.2 inches of snow a year

Cary, Illinois
Summer High: the July high is around 81.8 degrees
Winter Low: the January low is 12.7
Rain: averages 36.5 inches of rain a year
Snow: averages 37.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Rockford is 6.5 (10=best), which means it is less comfortable than most places in Michigan.

The annual BestPlaces Comfort Index for Cary is 6.7 (10=best), which means it is one of the least comfortable places in Illinois.

Today's Weather - Cary, IL

74°F

Today's Weather - Rockford, MI

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Cary / Rockford

July is the hottest month for Cary with an average high temperature of 81.8°, which ranks it as one of the coolest places in Illinois. In Cary, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cary are June, August and July.

July is the hottest month for Rockford with an average high temperature of 82.6°, which ranks it as warmer than most places in Michigan. In Rockford, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rockford are June, August and July.

January has the coldest nighttime temperatures for Cary with an average of 12.7°. This is one of the coldest places in Illinois.

January has the coldest nighttime temperatures for Rockford with an average of 15.4°. This is about average compared to other places in Michigan.

In Cary, there are 6.9 days annually when the high temperature is over 90°, which is one of the coolest places in Illinois.

In Rockford, there are 8.2 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

In Cary, there are 138.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Illinois.

In Rockford, there are 144.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Michigan.

In Cary, there are 11.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.

In Rockford, there are 7.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Michigan.

August is the wettest month in Cary with 4.4 inches of rain, and the driest month is January with 1.6 inches. The wettest season is Autumn with 33% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 36.5 inches in Cary means that it is one of the driest places in Illinois.


May is the wettest month in Rockford with 4.0 inches of rain, and the driest month is February with 1.7 inches. The wettest season is Winter with 29% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 37.1 inches in Rockford means that it is wetter than most places in Michigan.

May is the rainiest month in Cary with 12.1 days of rain, and February is the driest month with only 8.2 rainy days. There are 119.8 rainy days annually in Cary, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

December is the rainiest month in Rockford with 14.8 days of rain, and July is the driest month with only 9.3 rainy days. There are 139.9 rainy days annually in Rockford, which is rainier than most places in Michigan. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 37.5 inches in Cary means that it is one of the snowiest places in Illinois.

An annual snowfall of 66.2 inches in Rockford means that it is snowier than most places in Michigan.

January is the snowiest month in Cary with 11.1 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Rockford with 18.7 inches of snow, and 6 months of the year have significant snowfall.