Iowa weather in January: Statewide normals and every place, NOAA 1991-2020
In January, Iowa's statewide normal high is 28°F and normal low 11°F; normal highs run from 21°F in Northwood to 33°F in Shenandoah (NOAA 1991-2020 normals).
- Statewide normal high
- 28°FJanuary, 1991-2020
- Statewide normal low
- 11°FJanuary, 1991-2020
- Statewide normal precipitation
- 0.97 inJanuary
- Warmest place
- 33°Fnormal high, Shenandoah
- Coolest place
- 21°Fnormal high, Northwood
Where is Iowa warmest and wettest in January?
Shenandoah has the warmest January afternoons (33°F) and Northwood the coolest (21°F). Oskaloosa gets the most precipitation (1.75 in) and Spencer the least (0.25 in). The most snow falls in Postville (12.0 inches).
Statewide, January averaged 23.9°F in 2021, 14.9°F in 2022, 24.2°F in 2023, 20.1°F in 2024, 18.8°F in 2025, 19.3°F in 2026, against a 1991-2020 normal of 19.5°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Des Moines | 31°F | 14°F | 1.08 | 9.4 |
| Cedar Rapids | 28°F | 11°F | 0.95 | – |
| Davenport | 30°F | 14°F | 1.14 | – |
| Sioux City | 30°F | 10°F | 0.69 | 7.7 |
| Ankeny | 30°F | 12°F | 0.97 | 6.2 |
| Iowa City | 31°F | 15°F | 1.04 | – |
| Ames | 29°F | 11°F | 0.61 | – |
| Waterloo | 28°F | 11°F | 1.10 | 10.1 |
| Dubuque | 27°F | 11°F | 1.32 | 10.7 |
| Marion | 30°F | 13°F | 1.17 | 8.7 |
| Marshalltown | 28°F | 10°F | 0.77 | – |
| Mason City | 24°F | 7°F | 0.89 | 11.3 |
| Ottumwa | 32°F | 14°F | 1.01 | 7.1 |
| Fort Dodge | 26°F | 7°F | 0.95 | 8.6 |
| Clinton | 29°F | 14°F | 1.45 | 9.2 |
| Burlington | 32°F | 16°F | 1.45 | – |
| Muscatine | 31°F | 13°F | 1.51 | 7.0 |
| Indianola | 32°F | 12°F | 0.91 | 8.5 |
| Newton | 28°F | 10°F | 0.93 | 9.2 |
| Boone | 28°F | 9°F | 1.20 | 9.9 |
| Storm Lake | 26°F | 9°F | 0.77 | – |
| Oskaloosa | 31°F | 12°F | 1.75 | – |
| Spencer | 26°F | 8°F | 0.25 | – |
| Le Mars | 27°F | 7°F | 0.72 | 7.8 |
| Carroll | 28°F | 10°F | 0.90 | – |
| Fort Madison | 33°F | 17°F | 1.69 | 6.1 |
| Fairfield | 31°F | 14°F | 1.52 | 6.2 |
| Grinnell | 28°F | 10°F | 1.10 | 9.0 |
| Keokuk | 33°F | 17°F | 1.61 | – |
| Sioux Center | 27°F | 9°F | 0.67 | 6.8 |
| Mount Pleasant | 31°F | 13°F | 1.42 | 7.2 |
| Denison | 27°F | 10°F | 0.74 | 8.1 |
| Perry | 30°F | 10°F | 0.95 | – |
| Webster City | 26°F | 7°F | 0.87 | 7.9 |
| Decorah | 28°F | 10°F | 1.01 | 10.3 |
| Knoxville | 30°F | 13°F | 1.15 | – |
| Creston | 31°F | 11°F | 1.04 | – |
| Washington | 30°F | 12°F | 1.25 | 7.5 |
| Charles City | 25°F | 9°F | 1.01 | 9.5 |
| Atlantic | 31°F | 10°F | 0.86 | 5.1 |
| Independence | 27°F | 8°F | 0.95 | 10.0 |
| Maquoketa | 27°F | 11°F | 1.32 | 8.4 |
| Anamosa | 27°F | 9°F | 1.47 | – |
| Estherville | 23°F | 7°F | 0.56 | – |
| Oelwein | 26°F | 7°F | – | – |
| Osceola | 32°F | 11°F | 0.97 | 8.2 |
| Sheldon | 25°F | 5°F | 0.88 | 8.7 |
| Spirit Lake | 24°F | 7°F | 0.55 | 9.5 |
| Winterset | 30°F | 10°F | 0.78 | 7.3 |
| Red Oak | 33°F | 13°F | 0.88 | 7.3 |
| Centerville | 33°F | 12°F | 0.99 | 7.1 |
| Algona | 25°F | 6°F | 0.90 | – |
| Clarinda | 33°F | 12°F | 0.79 | 6.5 |
| Manchester | 26°F | 8°F | 1.14 | 9.2 |
| Glenwood | 33°F | 12°F | 0.66 | 8.2 |
| Cherokee | 27°F | 7°F | 0.65 | 7.5 |
| Iowa Falls | 26°F | 8°F | 0.92 | 7.1 |
| Vinton | 26°F | 8°F | 1.19 | 8.3 |
| Harlan | 31°F | 10°F | 0.90 | 7.6 |
| Shenandoah | 33°F | 14°F | 0.92 | 7.0 |
| Le Claire | 31°F | 14°F | 1.51 | – |
| Humboldt | 24°F | 9°F | 0.91 | – |
| Hampton | 25°F | 8°F | 0.97 | – |
| Chariton | 31°F | 11°F | 0.96 | 7.9 |
| Forest City | 23°F | 6°F | 1.15 | – |
| Jefferson | 28°F | 9°F | 0.96 | 8.2 |
| Cresco | 24°F | 6°F | 1.12 | 9.4 |
| Waukon | 24°F | 8°F | 1.23 | – |
| Emmetsburg | 26°F | 7°F | 0.68 | 8.0 |
| Albia | 31°F | 13°F | 1.12 | 7.4 |
| Osage | 23°F | 6°F | 1.17 | 9.9 |
| New Hampton | 23°F | 6°F | 1.31 | 9.7 |
| Williamsburg | 28°F | 10°F | 1.16 | 7.6 |
| Milford | 24°F | 8°F | 0.70 | 8.7 |
| Tipton | 29°F | 12°F | 1.41 | – |
| Grundy Center | 26°F | 9°F | 0.83 | 9.2 |
| Onawa | 30°F | 9°F | 0.54 | 7.9 |
| Sibley | 23°F | 5°F | 0.74 | 8.1 |
| Bloomfield | 32°F | 15°F | 1.23 | 7.4 |
| Clarion | 26°F | 6°F | 0.73 | 8.9 |
| Rock Rapids | 25°F | 6°F | 0.61 | 6.0 |
| Hawarden | 27°F | 7°F | 0.70 | 6.8 |
| Eldora | 26°F | 8°F | 1.06 | 8.1 |
| Postville | 26°F | 7°F | 1.12 | 12.0 |
| Cascade | 27°F | 11°F | 1.26 | 8.3 |
| Toledo | 27°F | 9°F | 0.98 | 8.6 |
| Belle Plaine | 28°F | 10°F | 1.11 | 7.8 |
| Bellevue | 29°F | 12°F | 1.30 | 9.3 |
| Rockwell City | 27°F | 8°F | 0.76 | 7.4 |
| Lamoni | 33°F | 16°F | 1.04 | – |
| Northwood | 21°F | 4°F | 1.07 | 10.9 |
| Audubon | 28°F | 9°F | 0.88 | – |
| Britt | 24°F | 6°F | 0.77 | – |
| Sac City | 26°F | 8°F | 0.73 | 7.0 |
| Greenfield | 30°F | 11°F | 0.86 | 6.8 |
| Ida Grove | 27°F | 9°F | – | – |
| Sigourney | 30°F | 12°F | 1.18 | – |
| Pocahontas | 26°F | 8°F | 1.02 | 9.3 |
| Guttenberg | 28°F | 10°F | 1.33 | 10.0 |
| Columbus Junction | 30°F | 11°F | 1.17 | 9.5 |
| Leon | 33°F | 13°F | 0.90 | 8.0 |
| Mount Ayr | 32°F | 12°F | 0.73 | 5.8 |
| Guthrie Center | 30°F | 10°F | 0.89 | – |
| Oakland | 30°F | 12°F | 0.85 | 6.7 |
| Corning | 31°F | 12°F | 0.84 | 8.2 |
| Holstein | 26°F | 9°F | 0.93 | 6.9 |
| Bedford | 32°F | 12°F | 1.08 | – |
| Sanborn | 24°F | 6°F | 0.91 | 8.2 |
| Logan | 31°F | 10°F | 0.72 | 7.9 |
| Tripoli | 25°F | 7°F | 1.23 | – |
| Fayette | 25°F | 6°F | 1.22 | 10.8 |
| Elkader | 26°F | 6°F | 1.25 | 10.2 |
| Lake Park | 24°F | 6°F | 0.82 | 8.4 |
| Mapleton | 28°F | 9°F | 0.76 | 6.7 |
| Sidney | 33°F | 13°F | 0.77 | 5.0 |
| Keosauqua | 32°F | 14°F | 1.50 | 7.3 |
| Allison | 25°F | 8°F | 0.94 | – |
| Primghar | 27°F | 9°F | 0.82 | 8.4 |
| Donnellson | 33°F | 15°F | 1.48 | 7.3 |
| Colo | 27°F | 10°F | 0.95 | 7.4 |
| Lowden | 29°F | 12°F | 1.58 | 11.2 |
| Dakota City | 26°F | 8°F | 0.89 | – |
| Sioux Rapids | 25°F | 8°F | 0.62 | 8.0 |
| Coggon | 26°F | 9°F | 1.22 | – |
| Battle Creek | 27°F | 8°F | 0.74 | – |
| Swea City | 22°F | 5°F | 0.87 | 10.9 |
| Allerton | 32°F | 13°F | 1.06 | – |
| Little Sioux | 29°F | 9°F | 0.92 | 10.0 |
| Castana | 29°F | 10°F | 0.63 | 7.1 |
| Stanley | 25°F | 7°F | 1.19 | – |
| Rathbun | 31°F | 13°F | 1.09 | – |
| Beaconsfield | 30°F | 12°F | 0.94 | 7.2 |
| Des Moines Weather Office-Johnston | 30°F | 13°F | 1.01 | 9.7 |
| Sioux City Ang | 30°F | 9°F | 0.66 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.