| # | City | Average annual precipitation |
|---|---|---|
| 1 | Le Mars | 30.0 in |
| 2 | Sioux City | 30.3 in |
| 3 | Spencer | 31.0 in |
| 4 | Council Bluffs | 31.9 in |
| 5 | Carroll | 33.7 in |
| 6 | Storm Lake | 33.8 in |
| 7 | Clinton | 34.3 in |
| 8 | Fort Dodge | 35.1 in |
| 9 | Newton | 35.1 in |
| 10 | Coralville | 35.7 in |
| 11 | Iowa City | 35.7 in |
| 12 | North Liberty | 35.7 in |
| 13 | Ames | 35.9 in |
| 14 | Johnston | 36.2 in |
| 15 | Waukee | 36.2 in |
| 16 | Cedar Falls | 36.3 in |
| 17 | Mason City | 36.3 in |
| 18 | Waterloo | 36.3 in |
| 19 | Waverly | 36.3 in |
| 20 | Muscatine | 36.4 in |
| 21 | Clive | 36.6 in |
| 22 | Des Moines | 36.6 in |
| 23 | Norwalk | 36.6 in |
| 24 | Urbandale | 36.6 in |
| 25 | West Des Moines | 36.6 in |
Source: NOAA NCEI 1991-2020 U.S. Climate Normals, nearest station with complete data. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.
Citing this page: GIS Map, “Driest Cities in Iowa”, https://gismap.land/rankings/iowa/driest-cities. Figures from NOAA NCEI 1991-2020 U.S. Climate Normals, nearest station with complete data.
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