2025 Compare Climate & Weather:
Idaho Springs, CO vs Dubuque, IA

Highlights

On average, there are 194 sunny days per year in Dubuque. Idaho Springs averages 249 sunny days per year. The US average is 205 sunny days.

Dubuque, Iowa gets 36.4 inches of rain, on average, per year. Idaho Springs, Colorado gets 25.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Dubuque averages 37.4 inches of snow per year. Idaho Springs averages 180.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Dubuque, Iowa
Summer High: the July high is around 83.4 degrees
Winter Low: the January low is 10.6
Rain: averages 36.4 inches of rain a year
Snow: averages 37.4 inches of snow a year

Idaho Springs, Colorado
Summer High: the July high is around 70.3 degrees
Winter Low: the January low is 12.4
Rain: averages 25.2 inches of rain a year
Snow: averages 180.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Dubuque is 6.7 (10=best), which means it is less comfortable than most places in Iowa.

The annual BestPlaces Comfort Index for Idaho Springs is 5.4 (10=best), which means it is one of the least comfortable places in Colorado.

Today's Weather - Idaho Springs, CO

37°F

Today's Weather - Dubuque, IA

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Idaho Springs / Dubuque

July is the hottest month for Idaho Springs with an average high temperature of 70.3°, which ranks it as one of the coolest places in Colorado. In Idaho Springs, there are 1 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Idaho Springs are July, August and June.

July is the hottest month for Dubuque with an average high temperature of 83.4°, which ranks it as cooler than most places in Iowa. In Dubuque, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dubuque are June, August and September.

February has the coldest nighttime temperatures for Idaho Springs with an average of 11.8°. This is colder than most places in Colorado.

January has the coldest nighttime temperatures for Dubuque with an average of 10.6°. This is warmer than most places in Iowa.

In Idaho Springs, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

In Dubuque, there are 10.8 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.

In Idaho Springs, there are 224.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Colorado.

In Dubuque, there are 140.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Idaho Springs, there are 14.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Colorado.

In Dubuque, there are 16.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Iowa.

April is the wettest month in Idaho Springs with 3.1 inches of rain, and the driest month is October with 1.5 inches. The wettest season is Summer with 32% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 25.2 inches in Idaho Springs means that it is one of the wettest places in Colorado.


June is the wettest month in Dubuque with 4.8 inches of rain, and the driest month is January with 1.2 inches. The wettest season is Autumn with 37% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 36.4 inches in Dubuque means that it is wetter than most places in Iowa.

August is the rainiest month in Idaho Springs with 14.3 days of rain, and October is the driest month with only 7.6 rainy days. There are 121.6 rainy days annually in Idaho Springs, which is one of the rainiest places in Colorado. The rainiest season is Autumn when it rains 30% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in Dubuque with 12.7 days of rain, and February is the driest month with only 7.6 rainy days. There are 116.1 rainy days annually in Dubuque, which is one of the rainiest places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 180.9 inches in Idaho Springs means that it is one of the snowiest places in Colorado.

An annual snowfall of 37.4 inches in Dubuque means that it is one of the snowiest places in Iowa.

March is the snowiest month in Idaho Springs with 33.3 inches of snow, and 10 months of the year have significant snowfall.

December is the snowiest month in Dubuque with 10.8 inches of snow, and 6 months of the year have significant snowfall.