2025 Compare Climate & Weather:
Rockford, IL vs Cheyenne, WY

Highlights

On average, there are 236 sunny days per year in Cheyenne. Rockford averages 188 sunny days per year. The US average is 205 sunny days.

Cheyenne, Wyoming gets 16.5 inches of rain, on average, per year. Rockford, Illinois gets 37.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Cheyenne averages 58.3 inches of snow per year. Rockford averages 35.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Cheyenne, Wyoming
Summer High: the July high is around 84.2 degrees
Winter Low: the January low is 16.4
Rain: averages 16.5 inches of rain a year
Snow: averages 58.3 inches of snow a year

Rockford, Illinois
Summer High: the July high is around 83.7 degrees
Winter Low: the January low is 12.7
Rain: averages 37.1 inches of rain a year
Snow: averages 35.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Cheyenne is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

The annual BestPlaces Comfort Index for Rockford is 6.8 (10=best), which means it is less comfortable than most places in Illinois.

Today's Weather - Rockford, IL

73°F

Today's Weather - Cheyenne, WY

49°F

Average Monthly High / Low (°F)

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

July is the hottest month for Rockford with an average high temperature of 83.7°, which ranks it as cooler than most places in Illinois. In Rockford, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rockford are June, September and August.

July is the hottest month for Cheyenne with an average high temperature of 84.2°, which ranks it as cooler than most places in Wyoming. In Cheyenne, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Cheyenne are June, August and September.

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

December has the coldest nighttime temperatures for Cheyenne with an average of 15.8°. This is one of the warmest places in Wyoming.

In Rockford, there are 12.1 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Cheyenne, there are 14.0 days annually when the high temperature is over 90°, which is about average compared to other places in Wyoming.

In Rockford, there are 138.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.

In Cheyenne, there are 173.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

In Rockford, there are 12.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Illinois.

In Cheyenne, there are 8.6 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Wyoming.

June is the wettest month in Rockford with 4.9 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 37.1 inches in Rockford means that it is drier than most places in Illinois.


June is the wettest month in Cheyenne with 2.5 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 41% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 16.5 inches in Cheyenne means that it is wetter than most places in Wyoming.

May is the rainiest month in Rockford with 12.0 days of rain, and February is the driest month with only 8.0 rainy days. There are 116.0 rainy days annually in Rockford, which is rainier than most places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

May is the rainiest month in Cheyenne with 11.2 days of rain, and January is the driest month with only 4.2 rainy days. There are 91.9 rainy days annually in Cheyenne, which is rainier than most places in Wyoming. The rainiest season is Autumn when it rains 33% of the time and the driest is Spring with only a 16% chance of a rainy day.

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

An annual snowfall of 58.3 inches in Cheyenne means that it is snowier than most places in Wyoming.

December is the snowiest month in Rockford with 11.4 inches of snow, and 6 months of the year have significant snowfall.

March is the snowiest month in Cheyenne with 11.0 inches of snow, and 9 months of the year have significant snowfall.