The best times to visit Des Moines for ideal weather are
May 14th to June 17th
July 23rd to October 7th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Des Moines Travel Guide
Weather in Des Moines
Average temperatures in Des Moines vary somewhat and are temperate for much of the year. The area is in the top 32 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Des Moines, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid-July where highs are regularly around 64.6°F (18.1°C) with temperatures rarely dropping below 48.2°F (9°C) at night.
Des Moines Temperatures (Fahrenheit)
Des Moines Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Des Moines Perceived Temperature (F)
Des Moines Perceived Temperature (C)
Average Des Moines Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of precipitation in Des Moines are April, June, and then May. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are only 0.2 days of precipitation on average. By contrast, it’s most likely to rain or snow in late June with an average of 1.9 days with significant precipitation the week of June 25th.
When can you find snow in Des Moines? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Des Moines.
Snow on the Ground
The graph below shows the average snow on the ground in Des Moines (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Des Moines has slightly high to average humidity compared to most tourist destinations. The least humid month is May (54.5% relative humidity), and the most humid month is December (74.9%).
Wind in Des Moines is usually moderate. The windiest month is April, followed by May and March. April’s average wind speed of around 10.4 knots (12 MPH or 19.3 KPH) is considered “gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early May where average top sustained speeds reach 19.8 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Des Moines.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots.
|Month||Avg. Wind||Meaning (Beaufort)||Avg. Maximum Sustained Wind||Meaning (Beufort)|
|Jan||9.2||a gentle breeze||17.1||a fresh breeze|
|Feb||9.2||a gentle breeze||16.3||a moderate breeze|
|Mar||9.5||a gentle breeze||17.2||a fresh breeze|
|Apr||10.4||a gentle breeze||19.1||a fresh breeze|
|May||9.8||a gentle breeze||18.7||a fresh breeze|
|Jun||7.6||a gentle breeze||16||a moderate breeze|
|Jul||5.5||a light breeze||12.5||a fresh breeze|
|Aug||5.1||a light breeze||11.3||a moderate breeze|
|Sep||6||a light breeze||12.8||a fresh breeze|
|Oct||7.9||a gentle breeze||15.2||a moderate breeze|
|Nov||9.3||a gentle breeze||16.7||a fresh breeze|
|Dec||8.9||a gentle breeze||16.1||a moderate breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Des Moines?
As of 6/22/2017 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.
Overall Des Moines Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 59.2°F (15.1°C) and 24.9°F (-3.9°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 6 days of precipitation per month. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 3 to 6 days of precipitation per month. June – August is slow/unreported season for tourism in Des Moines, so lodging and other accommodations may cost as much as usual.
Fall (September through November)
Fall daily highs range from 60°F (15.6°C) and 31.9°F (-0.1°C), which will feel chilly given the humidity and wind. It rains or snows a small amount: 2 to 4 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.
Winter (December through February)
Weather is far too cold this time of year in Des Moines to be enjoyable for warm weather travelers. The average high during this season is between 27.4°F (-2.6°C) and 21.9°F (-5.6°C). On average, it rains or snows a normal amount: 1 to 4 times per month. These times of year are slow/unreported with tourists.