NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
February - April 1910
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Iowa (Hover over a County)
TempAverage Temperature: 38.6°F
Anomaly: 3.4°F
Rank: 22nd Warmest
Mean: 35.2°F
County | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Adair County | 40.1°F | 3.8°F | 111 | 36.4°F |
| Adams County | 40.2°F | 3.1°F | 109 | 37.1°F |
| Allamakee County | 35.8°F | 3.3°F | 101 | 32.5°F |
| Appanoose County | 42.0°F | 3.6°F | 111 | 38.4°F |
| Audubon County | 39.6°F | 4.2°F | 113 | 35.4°F |
| Benton County | 38.2°F | 3.2°F | 105 | 35.0°F |
| Black Hawk County | 37.1°F | 3.0°F | 104 | 34.1°F |
| Boone County | 38.6°F | 3.2°F | 108 | 35.4°F |
| Bremer County | 35.9°F | 2.9°F | 102 | 33.0°F |
| Buchanan County | 36.2°F | 2.4°F | 98 | 33.7°F |
| Buena Vista County | 36.7°F | 3.5°F | 108 | 33.2°F |
| Butler County | 36.3°F | 3.0°F | 102 | 33.3°F |
| Calhoun County | 37.9°F | 3.5°F | 111 | 34.3°F |
| Carroll County | 38.8°F | 4.1°F | 111 | 34.7°F |
| Cass County | 40.5°F | 3.8°F | 111 | 36.7°F |
| Cedar County | 38.4°F | 2.3°F | 98 | 36.1°F |
| Cerro Gordo County | 35.1°F | 3.1°F | 102 | 32.0°F |
| Cherokee County | 37.0°F | 3.6°F | 109 | 33.4°F |
| Chickasaw County | 35.1°F | 3.1°F | 103 | 32.0°F |
| Clarke County | 41.6°F | 4.0°F | 112 | 37.6°F |
| Clay County | 35.9°F | 3.6°F | 110 | 32.3°F |
| Clayton County | 36.1°F | 2.8°F | 100 | 33.3°F |
| Clinton County | 38.5°F | 2.4°F | 99 | 36.1°F |
| Crawford County | 39.1°F | 4.2°F | 113 | 34.9°F |
| Dallas County | 40.4°F | 3.7°F | 110 | 36.6°F |
| Davis County | 41.8°F | 3.2°F | 107 | 38.5°F |
| Decatur County | 42.0°F | 3.8°F | 111 | 38.2°F |
| Delaware County | 36.5°F | 2.9°F | 100 | 33.6°F |
| Des Moines County | 41.3°F | 2.7°F | 103 | 38.6°F |
| Dickinson County | 35.0°F | 3.6°F | 108 | 31.4°F |
| Dubuque County | 37.3°F | 3.1°F | 102 | 34.2°F |
| Emmet County | 35.0°F | 3.6°F | 106 | 31.4°F |
| Fayette County | 35.2°F | 2.6°F | 99 | 32.6°F |
| Floyd County | 35.8°F | 3.4°F | 106 | 32.4°F |
| Franklin County | 35.6°F | 2.8°F | 101 | 32.8°F |
| Fremont County | 43.4°F | 4.2°F | 113 | 39.2°F |
| Greene County | 39.1°F | 3.7°F | 110 | 35.3°F |
| Grundy County | 37.4°F | 3.3°F | 106 | 34.1°F |
| Guthrie County | 40.0°F | 4.1°F | 111 | 35.9°F |
| Hamilton County | 37.3°F | 3.2°F | 105 | 34.1°F |
| Hancock County | 35.5°F | 3.3°F | 106 | 32.2°F |
| Hardin County | 37.0°F | 3.0°F | 103 | 34.0°F |
| Harrison County | 40.9°F | 4.1°F | 113 | 36.8°F |
| Henry County | 41.3°F | 3.0°F | 106 | 38.4°F |
| Howard County | 34.1°F | 3.3°F | 102 | 30.9°F |
| Humboldt County | 37.7°F | 4.1°F | 114 | 33.6°F |
| Ida County | 38.0°F | 3.8°F | 110 | 34.2°F |
| Iowa County | 39.6°F | 3.5°F | 107 | 36.1°F |
| Jackson County | 37.6°F | 2.3°F | 97 | 35.3°F |
| Jasper County | 40.9°F | 4.5°F | 113 | 36.4°F |
| Jefferson County | 41.4°F | 3.3°F | 108 | 38.1°F |
| Johnson County | 38.6°F | 2.2°F | 98 | 36.4°F |
| Jones County | 37.2°F | 2.4°F | 97 | 34.9°F |
| Keokuk County | 40.4°F | 3.4°F | 108 | 37.0°F |
| Kossuth County | 35.9°F | 3.7°F | 111 | 32.2°F |
| Lee County | 42.2°F | 2.7°F | 103 | 39.5°F |
| Linn County | 37.1°F | 2.3°F | 96 | 34.8°F |
| Louisa County | 40.8°F | 2.8°F | 104 | 37.9°F |
| Lucas County | 42.0°F | 4.1°F | 112 | 37.9°F |
| Lyon County | 35.9°F | 3.6°F | 109 | 32.3°F |
| Madison County | 40.8°F | 3.8°F | 111 | 37.1°F |
| Mahaska County | 41.3°F | 4.0°F | 113 | 37.3°F |
| Marion County | 42.0°F | 4.2°F | 113 | 37.8°F |
| Marshall County | 39.0°F | 3.8°F | 110 | 35.2°F |
| Mills County | 42.6°F | 4.1°F | 113 | 38.5°F |
| Mitchell County | 35.1°F | 3.7°F | 109 | 31.4°F |
| Monona County | 39.9°F | 4.1°F | 113 | 35.8°F |
| Monroe County | 42.0°F | 3.9°F | 112 | 38.1°F |
| Montgomery County | 40.9°F | 3.2°F | 109 | 37.8°F |
| Muscatine County | 39.9°F | 2.6°F | 101 | 37.3°F |
| O'Brien County | 36.1°F | 3.6°F | 110 | 32.6°F |
| Osceola County | 35.2°F | 3.5°F | 109 | 31.7°F |
| Page County | 41.6°F | 3.1°F | 108 | 38.5°F |
| Palo Alto County | 36.1°F | 3.7°F | 111 | 32.4°F |
| Plymouth County | 37.8°F | 3.9°F | 110 | 34.0°F |
| Pocahontas County | 37.4°F | 3.8°F | 112 | 33.6°F |
| Polk County | 40.6°F | 3.7°F | 111 | 36.9°F |
| Pottawattamie County | 41.6°F | 4.1°F | 113 | 37.5°F |
| Poweshiek County | 40.3°F | 4.4°F | 114 | 35.9°F |
| Ringgold County | 41.5°F | 3.7°F | 111 | 37.8°F |
| Sac County | 37.7°F | 3.6°F | 110 | 34.0°F |
| Scott County | 39.3°F | 2.7°F | 100 | 36.6°F |
| Shelby County | 40.0°F | 4.0°F | 113 | 35.9°F |
| Sioux County | 36.9°F | 3.8°F | 111 | 33.1°F |
| Story County | 38.6°F | 3.2°F | 107 | 35.4°F |
| Tama County | 38.8°F | 3.8°F | 110 | 35.0°F |
| Taylor County | 40.9°F | 3.1°F | 108 | 37.8°F |
| Union County | 40.8°F | 3.7°F | 111 | 37.1°F |
| Van Buren County | 41.9°F | 2.9°F | 107 | 39.0°F |
| Wapello County | 41.5°F | 3.5°F | 109 | 38.0°F |
| Warren County | 41.9°F | 4.1°F | 112 | 37.7°F |
| Washington County | 40.1°F | 2.9°F | 104 | 37.2°F |
| Wayne County | 42.0°F | 3.8°F | 111 | 38.2°F |
| Webster County | 37.8°F | 3.5°F | 110 | 34.3°F |
| Winnebago County | 35.0°F | 3.5°F | 107 | 31.5°F |
| Winneshiek County | 34.2°F | 2.8°F | 99 | 31.4°F |
| Woodbury County | 38.9°F | 4.0°F | 113 | 34.9°F |
| Worth County | 34.7°F | 3.4°F | 105 | 31.3°F |
| Wright County | 36.5°F | 3.3°F | 107 | 33.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published April 2025, retrieved on April 17, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
