Dubuque, Iowa 

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Climate in Dubuque, Iowa

Dubuque, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dubuque averages 37 inches of snow per year. The US average is 28 inches of snow per year.

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

Dubuque gets some kind of precipitation, on average, 116 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 83 degrees
Winter Low: the January low is 11
Rain: averages 36 inches of rain a year
Snow: averages 37 inches of snow a year


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

6.7 / 10
June, September and August are the most pleasant months in Dubuque, while January and December are the least comfortable months.

Climate Averages
  Dubuque, IowaUnited States
  36.4 in.38.1 in.
  37.4 in.27.8 in.
  116.1 days106.2 days
  194 days205 days
  623 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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.

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

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

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 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.

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.

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 37.4 inches in Dubuque means that it is one of the snowiest places in Iowa. December is the snowiest month in Dubuque with 10.8 inches of snow, and 6 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Dubuque    13 Reviews
    Great town to live in! - 3/2/2018
    Dubuque, IA is a great town to live ... Read More

    Start Your Review of Dubuque

    Sad town - 7/14/2016
    This town is not for ANYONE that is not from a different ethnicity. THEY ACT THE ROLE BUT THEY ARE NOT SINCERE TGEY DO NOT LISTEN AND THEY DON'T WANT TO HELP ANYONE FROM... Read More

    Mixed Bag - 11/4/2015
    DBQ is like most places where it can be good or bad depending on your perspective. My biggest problem, by far, is that I struggle to appreciate the vast majority of... Read More

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