Des Moines, Iowa 

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Climate in Des Moines, Iowa

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

Des Moines averages 33 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 204 sunny days per year in Des Moines. The US average is 205 sunny days.

Des Moines gets some kind of precipitation, on average, 108 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 Highs & Lows

Summer High: the July high is around 86 degrees
Winter Low: the January low is 13

Des Moines ranks 37/100 for Comfort Index

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 54. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


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.


Climate Averages
  Des Moines, IowaUnited States
  35.9 in.38.1 in.
  32.9 in.27.8 in.
  107.6 days106.2 days
  204 days205 days
  873 ft.2443 ft.

July is the hottest month for Des Moines with an average high temperature of 85.6°, which ranks it as warmer than most places in Iowa. In Des Moines, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Des Moines are September, June and May.

January has the coldest nighttime temperatures for Des Moines with an average of 12.5°. This is warmer than most places in Iowa.

In Des Moines, there are 18.8 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.

In Des Moines, there are 135.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.

In Des Moines, there are 13.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.

June is the wettest month in Des Moines with 5.1 inches of rain, and the driest month is January with 1.0 inches. The wettest season is Autumn with 39% of yearly precipitation and 9% occurs in Spring, which is the driest season.

The annual rainfall of 35.9 inches in Des Moines means that it is about average compared to other places in Iowa.

An annual snowfall of 32.9 inches in Des Moines means that it is snowier than most places in Iowa.

January is the snowiest month in Des Moines with 8.2 inches of snow, and 6 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Des Moines    48 Reviews
    It's ok Property values and property taxes, INSANE - 3/26/2019
    Lived here for 10+ years. It is an ok place to live. It has everything anyone could ever NEED and most anything you would want. Food options are plenty. ... Read More

    Start Your Review of Des Moines

    overpriced everything and unfriendly - 1/27/2018
    The shock is housing prices here are comparable to bigger cities like Charlotte, Dallas act and should not be. Its a podunk area with no culture, great restaurant with... Read More

    Not a city for renters - 9/15/2016
    I will be moving to Des Moines due to a job offer. Little did I know that it is extremely expensive to live here. It's a little deceiving since everything you read... Read More

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