2025 Compare Climate & Weather:
Chicago, IL vs Caldwell, ID

Highlights

On average, there are 211 sunny days per year in Caldwell. Chicago averages 189 sunny days per year. The US average is 205 sunny days.

Caldwell, Idaho gets 10.7 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.

Caldwell averages 8 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

Caldwell, Idaho
Summer High: the July high is around 91.7 degrees
Winter Low: the January low is 23.3
Rain: averages 10.7 inches of rain a year
Snow: averages 8 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 Caldwell is 7.3 (10=best), which means it is one of the most pleasant places in Idaho.

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

70°F

Today's Weather - Caldwell, ID

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Chicago / Caldwell

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 Caldwell with an average high temperature of 91.7°, which ranks it as one of the hottest places in Idaho. In Caldwell, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Caldwell are September, May and June.

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

December has the coldest nighttime temperatures for Caldwell with an average of 22.6°. This is warmer than most places in Idaho.

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

In Caldwell, there are 50.8 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

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 Caldwell, there are 116.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

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 Caldwell, there are 2.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

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.


December is the wettest month in Caldwell with 1.5 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 33% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 10.7 inches in Caldwell means that it is drier than most places in Idaho.

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.

December is the rainiest month in Caldwell with 10.3 days of rain, and July is the driest month with only 2.3 rainy days. There are 80.0 rainy days annually in Caldwell, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 12% 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 8.0 inches in Caldwell means that it is one of the least snowy places in Idaho.

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

December is the snowiest month in Caldwell with 3.8 inches of snow, and 4 months of the year have significant snowfall.