NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
April - June 1899
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Iowa (Hover over a County)
TempAverage Temperature:
Anomaly:
Rank:
Mean:
County | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Adair County | 59.1°F | -0.5°F | 45 | 59.5°F |
| Adams County | 59.6°F | -0.4°F | 48 | 60.0°F |
| Allamakee County | 58.5°F | 1.4°F | 99 | 57.1°F |
| Appanoose County | 61.3°F | 0.4°F | 69 | 60.9°F |
| Audubon County | 58.5°F | -0.4°F | 47 | 58.9°F |
| Benton County | 59.5°F | 0.7°F | 79 | 58.8°F |
| Black Hawk County | 59.0°F | 0.7°F | 77 | 58.3°F |
| Boone County | 59.1°F | -0.3°F | 49 | 59.4°F |
| Bremer County | 58.5°F | 0.9°F | 86 | 57.5°F |
| Buchanan County | 58.4°F | 0.6°F | 77 | 57.8°F |
| Buena Vista County | 57.0°F | -0.8°F | 36 | 57.9°F |
| Butler County | 58.8°F | 0.9°F | 83 | 57.9°F |
| Calhoun County | 58.1°F | -0.6°F | 41 | 58.8°F |
| Carroll County | 57.9°F | -0.9°F | 33 | 58.8°F |
| Cass County | 59.9°F | 0.0°F | 60 | 59.9°F |
| Cedar County | 60.1°F | 0.6°F | 75 | 59.5°F |
| Cerro Gordo County | 57.0°F | -0.1°F | 58 | 57.1°F |
| Cherokee County | 57.4°F | -0.6°F | 48 | 58.0°F |
| Chickasaw County | 57.7°F | 0.9°F | 85 | 56.8°F |
| Clarke County | 60.5°F | 0.1°F | 61 | 60.4°F |
| Clay County | 56.7°F | -0.7°F | 41 | 57.3°F |
| Clayton County | 59.1°F | 1.4°F | 100 | 57.6°F |
| Clinton County | 60.3°F | 1.0°F | 82 | 59.3°F |
| Crawford County | 58.2°F | -0.6°F | 42 | 58.8°F |
| Dallas County | 60.2°F | -0.1°F | 59 | 60.2°F |
| Davis County | 61.7°F | 0.6°F | 75 | 61.1°F |
| Decatur County | 60.9°F | 0.3°F | 62 | 60.6°F |
| Delaware County | 58.6°F | 1.0°F | 86 | 57.5°F |
| Des Moines County | 62.1°F | 0.8°F | 78 | 61.3°F |
| Dickinson County | 56.2°F | -0.6°F | 44 | 56.8°F |
| Dubuque County | 59.5°F | 1.6°F | 100 | 57.9°F |
| Emmet County | 56.1°F | -0.8°F | 39 | 56.9°F |
| Fayette County | 57.9°F | 0.9°F | 85 | 57.0°F |
| Floyd County | 58.1°F | 0.7°F | 79 | 57.4°F |
| Franklin County | 57.8°F | 0.2°F | 69 | 57.6°F |
| Fremont County | 62.3°F | 0.4°F | 71 | 61.8°F |
| Greene County | 58.8°F | -0.5°F | 40 | 59.3°F |
| Grundy County | 59.2°F | 0.9°F | 78 | 58.3°F |
| Guthrie County | 59.2°F | -0.3°F | 48 | 59.5°F |
| Hamilton County | 58.7°F | 0.2°F | 65 | 58.5°F |
| Hancock County | 57.1°F | -0.2°F | 57 | 57.3°F |
| Hardin County | 58.8°F | 0.5°F | 76 | 58.3°F |
| Harrison County | 59.8°F | -0.4°F | 44 | 60.2°F |
| Henry County | 62.3°F | 1.2°F | 92 | 61.2°F |
| Howard County | 56.4°F | 0.7°F | 77 | 55.7°F |
| Humboldt County | 58.7°F | 0.4°F | 70 | 58.4°F |
| Ida County | 57.6°F | -0.8°F | 38 | 58.4°F |
| Iowa County | 60.3°F | 0.8°F | 79 | 59.5°F |
| Jackson County | 59.6°F | 0.9°F | 85 | 58.6°F |
| Jasper County | 60.1°F | 0.2°F | 64 | 59.9°F |
| Jefferson County | 61.7°F | 0.8°F | 84 | 60.9°F |
| Johnson County | 60.5°F | 0.7°F | 78 | 59.8°F |
| Jones County | 59.2°F | 0.7°F | 77 | 58.5°F |
| Keokuk County | 61.0°F | 0.9°F | 81 | 60.1°F |
| Kossuth County | 56.9°F | -0.6°F | 45 | 57.5°F |
| Lee County | 62.9°F | 1.0°F | 83 | 62.0°F |
| Linn County | 59.6°F | 0.9°F | 81 | 58.7°F |
| Louisa County | 61.8°F | 1.0°F | 84 | 60.8°F |
| Lucas County | 60.7°F | 0.1°F | 67 | 60.6°F |
| Lyon County | 56.8°F | -0.6°F | 45 | 57.4°F |
| Madison County | 60.3°F | -0.1°F | 58 | 60.3°F |
| Mahaska County | 61.2°F | 0.9°F | 80 | 60.3°F |
| Marion County | 61.1°F | 0.3°F | 68 | 60.8°F |
| Marshall County | 59.5°F | 0.4°F | 71 | 59.0°F |
| Mills County | 61.6°F | 0.3°F | 64 | 61.4°F |
| Mitchell County | 56.9°F | 0.5°F | 73 | 56.5°F |
| Monona County | 59.0°F | -0.6°F | 40 | 59.7°F |
| Monroe County | 61.2°F | 0.3°F | 70 | 60.9°F |
| Montgomery County | 61.6°F | 0.8°F | 77 | 60.8°F |
| Muscatine County | 61.2°F | 0.8°F | 83 | 60.3°F |
| O'Brien County | 56.9°F | -0.6°F | 44 | 57.5°F |
| Osceola County | 56.0°F | -0.9°F | 41 | 56.8°F |
| Page County | 62.0°F | 0.8°F | 77 | 61.2°F |
| Palo Alto County | 56.9°F | -0.6°F | 41 | 57.5°F |
| Plymouth County | 58.0°F | -0.4°F | 47 | 58.4°F |
| Pocahontas County | 57.9°F | -0.4°F | 50 | 58.3°F |
| Polk County | 60.5°F | -0.1°F | 59 | 60.5°F |
| Pottawattamie County | 60.8°F | 0.2°F | 63 | 60.6°F |
| Poweshiek County | 60.1°F | 0.8°F | 80 | 59.3°F |
| Ringgold County | 60.4°F | 0.2°F | 59 | 60.2°F |
| Sac County | 57.4°F | -1.0°F | 35 | 58.4°F |
| Scott County | 61.0°F | 1.3°F | 90 | 59.7°F |
| Shelby County | 59.3°F | -0.1°F | 57 | 59.3°F |
| Sioux County | 57.5°F | -0.4°F | 48 | 57.9°F |
| Story County | 59.2°F | -0.1°F | 56 | 59.3°F |
| Tama County | 59.4°F | 0.6°F | 75 | 58.8°F |
| Taylor County | 60.4°F | 0.1°F | 59 | 60.3°F |
| Union County | 59.7°F | -0.2°F | 52 | 59.9°F |
| Van Buren County | 62.4°F | 0.9°F | 84 | 61.5°F |
| Wapello County | 61.5°F | 0.7°F | 76 | 60.9°F |
| Warren County | 61.1°F | 0.1°F | 63 | 61.0°F |
| Washington County | 61.1°F | 0.9°F | 83 | 60.2°F |
| Wayne County | 61.0°F | 0.4°F | 71 | 60.6°F |
| Webster County | 58.9°F | 0.2°F | 63 | 58.7°F |
| Winnebago County | 56.3°F | -0.5°F | 50 | 56.8°F |
| Winneshiek County | 57.1°F | 0.9°F | 84 | 56.2°F |
| Woodbury County | 58.6°F | -0.4°F | 46 | 59.1°F |
| Worth County | 56.5°F | -0.1°F | 60 | 56.6°F |
| Wright County | 58.1°F | 0.2°F | 68 | 57.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published April 2025, retrieved on April 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
