Des Moines, IA Weather
Des Moines, IA climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 20's.
The warmest month of the year is July with an average maximum temperature of 86.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 11.70 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.
The annual average precipitation at Des Moines is 34.72 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.57 Inches.
Weather Data
Weather Warnings
| Dense fog advisory in effect until 10 am cst Saturday . |
Current Conditions
|
|
Fog And Mist, 37°F | Humidity: 89% | Dewpoint: 34°F |
| Wind Speed: S 4.6 MPH (4 KT) | Heat Index: 37°F | ||
| Barometer: 30.12 in. | Wind Chill: 33°F |
Weather Forecast
| Tonight: Mostly clear. Areas of dense fog after midnight. Visibility one quarter mile or less at Times after midnight. Low in the lower 30s. South wind near 5 mph before midnight becoming light. | ||
| Lo: 31°F | ||
| Hi: 59°F | Saturday: Mostly sunny. Areas of dense fog in the morning. Visibility one quarter mile or less at Times in the morning. High in the upper 50s. South wind near 10 mph shifting to the southeast in the afternoon. | |
| Lo: 45°F | ||
| Hi: 51°F | Sunday: Mostly cloudy. A chance of light rain in the morning... Then a slight chance of light rain in the afternoon. High in the lower 50s. Southeast wind around 10 mph. Chance of rain 30 percent. | |
| Lo: 39°F | ||
| Hi: 49°F | Monday: Mostly cloudy with a 30 percent chance of light rain. High in the upper 40s. | |
| Lo: 39°F | ||
| Hi: 41°F | Tuesday: Cloudy with a 40 percent chance of light rain. High in the lower 40s. | |
| Lo: 31°F | ||
| Hi: 41°F | Wednesday: Partly cloudy. Breezy. High in the lower 40s. Low in the mid 20s. | |
| Lo: 25°F | ||
| Hi: 41°F | Thursday: Partly cloudy. Breezy. High in the lower 40s. Low in the mid 20s. | |
| Lo: 25°F |
Moon, Sunrise and Sunset
![]() |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:38 AM CST |
Sunrise: 7:08 AM CST |
| Sunset: 4:50 PM CST |
Civil Twilight: 5:20 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 29.1 | 35.4 | 48.2 | 61.3 | 72.3 | 81.8 | 86.0 | 83.9 | 75.9 | 63.5 | 46.7 | 33.1 | 59.8 |
| Mean °F | 20.4 | 26.6 | 38.4 | 50.6 | 61.9 | 71.4 | 76.1 | 73.9 | 65.1 | 52.8 | 37.9 | 24.9 | 50.0 |
| Min °F | 11.7 | 17.8 | 28.7 | 39.9 | 51.4 | 61.0 | 66.1 | 63.9 | 54.3 | 42.2 | 29.0 | 16.7 | 40.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.03 | 1.19 | 2.21 | 3.58 | 4.25 | 4.57 | 4.18 | 4.51 | 3.15 | 2.62 | 2.10 | 1.33 | 34.72 |

