Rainy days · Iowa
How often does it rain in Des Moines?
Des Moines rain comes through in late spring like it heard about the state fair early.
Des Moines gets measurable rain or snow on about 113 days a year, adding up to about 37 inches.
November usually brings Des Moines about 8 wet days and 1.9 inches. The wettest month is usually May, with about 13 wet days, and the driest is November, with about 8 wet days. That makes Des Moines number 75 of the 129 US cities we track, rainiest first.
Last updated
No rain in the forecast for the next 48 hours.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Rainy days, month by month
| Month | Wet days | Inches |
|---|---|---|
| January | 8 | 1.1 |
| February | 8 | 1.3 |
| March | 10 | 2.2 |
| April | 12 | 4.0 |
| May | 13 | 5.2 |
| June | 12 | 5.3 |
| July | 10 | 3.8 |
| August | 9 | 4.2 |
| September | 8 | 3.2 |
| October | 9 | 2.8 |
| November | 8 | 1.9 |
| December | 8 | 1.6 |
Cities with about as many rainy days
- Charleston, South Carolina: about 114 wet days a year
- Spokane, Washington: about 113 wet days a year
- St. Louis, Missouri: about 114 wet days a year
Source: NOAA daily precipitation records for the Des Moines area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.