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When is the best time to visit Des Moines?
In general the best time to visit Des Moines is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +30°C in July and it has 7 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during May - October.
- If you want to avoid wet weather, then your choice is January, August, December with the lowest chance of rain.
Average weather in Des Moines in different months
This is the average weather in Des Moines for each month based on historic data:
April, June, July, August, September, October usually has good weather. Average maximum temperature reaches +30°C during July.
In January, February, March, May, November, December the weather is average. Expect around 41 rainy days, and the precipitation amounts to approximately 150 mm in May.
Climate in Des Moines
Here is the detailed breakdown of the climate in Des Moines for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +18°C | +25°C | +30°C | +32°C | +36°C | +39°C | +40°C | +40°C | +38°C | +33°C | +26°C | +23°C |
| Average Maximum Temperature | |||||||||||
| 0°C | +2°C | +10°C | +17°C | +23°C | +28°C | +30°C | +29°C | +25°C | +18°C | +10°C | +2°C |
| Minimum Temperature | |||||||||||
| -33°C | -33°C | -24°C | -13°C | -1°C | +6°C | +10°C | +5°C | -1°C | -11°C | -20°C | -31°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 73 | 72 | 67 | 62 | 65 | 67 | 70 | 72 | 69 | 67 | 70 | 75 |
| Rain, mm | |||||||||||
| 9 | 14 | 57 | 106 | 150 | 144 | 115 | 122 | 96 | 81 | 50 | 21 |
| Snow, mm | |||||||||||
| 26 | 24 | 17 | 6 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 24 |
| Average wind speed, m/s | |||||||||||
| 4 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 3 | 3 | 4 | 4 |
| Sunny Days | |||||||||||
| 5 | 5 | 5 | 5 | 5 | 6 | 7 | 7 | 10 | 9 | 6 | 5 |
| Cloud Days | |||||||||||
| 15 | 13 | 12 | 9 | 8 | 7 | 8 | 8 | 8 | 10 | 14 | 15 |
| Rainy Days | |||||||||||
| 2 | 3 | 9 | 14 | 17 | 15 | 13 | 14 | 11 | 11 | 7 | 3 |
| Snowy Days | |||||||||||
| 9 | 8 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 8 |
Average Temperature
Here are the average maximum and minimum temperatures in Des Moines during the whole year:
The hottest month in Des Moines is July with average maximum temperature going up to +30°C. The coldest month is January with the lowest temperatures of -9°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Des Moines looks throughout the year, in %:
The most humid month in Des Moines is December with average humidity going up to 75%. The least humid month is April with an average humidity of 62%.
Rain
Amount of rainfall in mm. in Des Moines during the whole year based on historical data:
The sunniest and driest month is September with approximately 10 sunny days and a total precipitation of around 96 mm. The rainiest and wettest month is May with approximately 17 rainy days and 150 mm of total precipitation.
Snow
Amount of snow in mm. in Des Moines during the whole year based on historical data:
The snowiest month is January with approximately 9 snowy days.
FAQ
Frequently asked questions about the weather in Des Moines:
What is the hottest month in Des Moines?
The hottest month in Des Moines is July with average maximum temperature of +30°C.
What is the coldest month in Des Moines?
The coldest month in Des Moines is January with minimum temperatures of -9°C.
Is Des Moines worth visiting in winter?
Winter in Des Moines could be a good time to visit, as the weather is generally ok.
When does it rain the least in Des Moines?
if you're looking to visit Des Moines when it rains the least, you should plan your trip for May, June, August. During this time, rainfall is rare with the driest month being January with only 9 mm of rain.
Other cities in USA
Check out the weather for other cities in USA.
Monthly weather in Des Moines
Source of the data
For this page, we’ve looked at the typical weather in Des Moines, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
