Iowa weather in April: Statewide normals and every place, NOAA 1991-2020
In April, Iowa's statewide normal high is 60°F and normal low 37°F; normal highs run from 54°F in Northwood to 64°F in Glenwood (NOAA 1991-2020 normals).
- Statewide normal high
- 60°FApril, 1991-2020
- Statewide normal low
- 37°FApril, 1991-2020
- Statewide normal precipitation
- 3.67 inApril
- Warmest place
- 64°Fnormal high, Glenwood
- Coolest place
- 54°Fnormal high, Northwood
Where is Iowa warmest and wettest in April?
Glenwood has the warmest April afternoons (64°F) and Northwood the coolest (54°F). Hampton gets the most precipitation (4.26 in) and Spencer the least (2.82 in). The most snow falls in Spirit Lake (5.1 inches).
Statewide, April averaged 49.3°F in 2021, 43.8°F in 2022, 49.3°F in 2023, 50.8°F in 2024, 49.9°F in 2025, 52.6°F in 2026, against a 1991-2020 normal of 48.6°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Des Moines | 62°F | 41°F | 4.02 | 1.2 |
| Cedar Rapids | 60°F | 38°F | 3.56 | – |
| Davenport | 61°F | 39°F | 3.61 | – |
| Sioux City | 61°F | 37°F | 3.15 | 2.3 |
| Ankeny | 61°F | 38°F | 4.00 | 0.7 |
| Iowa City | 63°F | 40°F | 3.76 | – |
| Ames | 61°F | 38°F | 3.89 | – |
| Waterloo | 61°F | 38°F | 4.04 | 1.7 |
| Dubuque | 58°F | 37°F | 4.06 | 1.9 |
| Marion | 63°F | 38°F | 4.02 | 1.5 |
| Marshalltown | 60°F | 37°F | 3.69 | – |
| Mason City | 58°F | 35°F | 4.15 | 3.0 |
| Ottumwa | 63°F | 39°F | 3.75 | 1.4 |
| Fort Dodge | 59°F | 35°F | 3.72 | 1.5 |
| Clinton | 62°F | 40°F | 3.40 | 0.8 |
| Burlington | 63°F | 42°F | 3.92 | – |
| Muscatine | 63°F | 39°F | 3.82 | 0.7 |
| Indianola | 62°F | 38°F | 3.88 | 1.0 |
| Newton | 60°F | 37°F | 3.44 | 0.8 |
| Boone | 60°F | 37°F | 4.06 | 1.3 |
| Storm Lake | 58°F | 37°F | 3.53 | – |
| Oskaloosa | 62°F | 38°F | 3.92 | – |
| Spencer | 59°F | 36°F | 2.82 | – |
| Le Mars | 60°F | 34°F | 3.07 | 1.9 |
| Carroll | 60°F | 36°F | 3.35 | – |
| Fort Madison | 62°F | 43°F | 3.97 | 0.5 |
| Fairfield | 62°F | 39°F | 3.71 | 1.0 |
| Grinnell | 59°F | 35°F | 3.90 | 0.6 |
| Keokuk | 62°F | 41°F | 4.21 | – |
| Sioux Center | 61°F | 36°F | 2.98 | 3.1 |
| Mount Pleasant | 63°F | 38°F | 3.91 | 1.1 |
| Denison | 58°F | 36°F | 3.38 | 1.6 |
| Perry | 61°F | 37°F | 4.10 | – |
| Webster City | 59°F | 34°F | 3.72 | 1.0 |
| Decorah | 61°F | 37°F | 3.95 | 1.7 |
| Knoxville | 61°F | 39°F | 3.85 | – |
| Creston | 61°F | 36°F | 3.74 | – |
| Washington | 62°F | 38°F | 3.65 | 0.8 |
| Charles City | 58°F | 37°F | 3.73 | 2.1 |
| Atlantic | 63°F | 36°F | 3.81 | 0.5 |
| Independence | 59°F | 36°F | 3.59 | 1.8 |
| Maquoketa | 59°F | 37°F | 3.44 | 0.9 |
| Anamosa | 59°F | 36°F | 3.99 | – |
| Estherville | 56°F | 34°F | 3.13 | – |
| Oelwein | 58°F | 37°F | – | – |
| Osceola | 62°F | 37°F | 4.12 | 1.1 |
| Sheldon | 57°F | 32°F | 3.22 | 3.3 |
| Spirit Lake | 56°F | 35°F | 2.99 | 5.1 |
| Winterset | 61°F | 35°F | 3.59 | 0.8 |
| Red Oak | 63°F | 38°F | 3.83 | 1.2 |
| Centerville | 63°F | 37°F | 3.88 | 1.7 |
| Algona | 58°F | 34°F | 3.36 | – |
| Clarinda | 63°F | 38°F | 3.32 | 0.9 |
| Manchester | 58°F | 35°F | 3.82 | 1.4 |
| Glenwood | 64°F | 38°F | 3.73 | 0.4 |
| Cherokee | 59°F | 34°F | 3.17 | 2.7 |
| Iowa Falls | 58°F | 35°F | 3.80 | 1.3 |
| Vinton | 59°F | 35°F | 3.90 | 1.4 |
| Harlan | 63°F | 36°F | 3.34 | 1.5 |
| Shenandoah | 64°F | 40°F | 3.34 | 1.2 |
| Le Claire | 61°F | 40°F | 3.77 | – |
| Humboldt | 57°F | 36°F | 3.30 | – |
| Hampton | 58°F | 35°F | 4.26 | – |
| Chariton | 61°F | 35°F | 4.15 | 0.8 |
| Forest City | 56°F | 34°F | 3.89 | – |
| Jefferson | 60°F | 36°F | 3.58 | 0.9 |
| Cresco | 57°F | 33°F | 3.74 | 2.4 |
| Waukon | 56°F | 34°F | 4.06 | – |
| Emmetsburg | 59°F | 36°F | 3.70 | 2.6 |
| Albia | 61°F | 39°F | 3.77 | 1.1 |
| Osage | 56°F | 35°F | 4.01 | 2.2 |
| New Hampton | 56°F | 34°F | 4.18 | 1.4 |
| Williamsburg | 60°F | 36°F | 3.92 | 0.9 |
| Milford | 57°F | 35°F | 3.25 | 2.5 |
| Tipton | 61°F | 38°F | 3.79 | – |
| Grundy Center | 59°F | 36°F | 3.88 | 1.4 |
| Onawa | 63°F | 35°F | 3.28 | 1.8 |
| Sibley | 56°F | 33°F | 3.25 | 3.7 |
| Bloomfield | 62°F | 41°F | 3.70 | 1.5 |
| Clarion | 59°F | 35°F | 3.75 | 1.4 |
| Rock Rapids | 58°F | 34°F | 3.03 | 3.5 |
| Hawarden | 59°F | 34°F | 3.15 | 2.3 |
| Eldora | 59°F | 35°F | 3.95 | 1.4 |
| Postville | 58°F | 34°F | 4.14 | 1.6 |
| Cascade | 59°F | 37°F | 3.97 | 0.9 |
| Toledo | 59°F | 36°F | 3.51 | 1.1 |
| Belle Plaine | 60°F | 37°F | 3.68 | 0.8 |
| Bellevue | 59°F | 37°F | 3.77 | 0.4 |
| Rockwell City | 59°F | 36°F | 3.76 | 1.9 |
| Lamoni | 63°F | 41°F | 4.25 | – |
| Northwood | 54°F | 33°F | 3.82 | 3.3 |
| Audubon | 60°F | 35°F | 3.65 | – |
| Britt | 57°F | 34°F | 3.88 | – |
| Sac City | 59°F | 35°F | 3.48 | 1.9 |
| Greenfield | 61°F | 38°F | 3.78 | 0.8 |
| Ida Grove | 59°F | 36°F | – | – |
| Sigourney | 61°F | 37°F | 3.70 | – |
| Pocahontas | 59°F | 36°F | 3.41 | 1.9 |
| Guttenberg | 59°F | 39°F | 3.65 | 0.7 |
| Columbus Junction | 62°F | 38°F | 3.85 | 1.6 |
| Leon | 63°F | 37°F | 3.80 | 0.1 |
| Mount Ayr | 61°F | 38°F | 3.37 | 0.7 |
| Guthrie Center | 61°F | 36°F | 4.11 | – |
| Oakland | 62°F | 37°F | 3.90 | 1.1 |
| Corning | 61°F | 37°F | 3.44 | 1.2 |
| Holstein | 59°F | 36°F | 3.42 | 2.1 |
| Bedford | 62°F | 38°F | 3.60 | – |
| Sanborn | 57°F | 34°F | 3.40 | 3.2 |
| Logan | 62°F | 36°F | 3.40 | 0.9 |
| Tripoli | 58°F | 36°F | 3.93 | – |
| Fayette | 57°F | 33°F | 4.13 | 1.8 |
| Elkader | 59°F | 34°F | 4.00 | 1.3 |
| Lake Park | 57°F | 34°F | 3.37 | 3.4 |
| Mapleton | 60°F | 35°F | 3.40 | 1.3 |
| Sidney | 63°F | 39°F | 3.15 | 1.2 |
| Keosauqua | 63°F | 39°F | 3.64 | 0.9 |
| Allison | 59°F | 36°F | 3.81 | – |
| Primghar | 61°F | 37°F | 3.30 | 2.4 |
| Donnellson | 63°F | 40°F | 3.72 | 0.7 |
| Colo | 59°F | 37°F | 3.48 | 1.7 |
| Lowden | 62°F | 37°F | 4.10 | 1.7 |
| Dakota City | 59°F | 35°F | 3.71 | – |
| Sioux Rapids | 58°F | 36°F | 3.58 | 2.3 |
| Coggon | 58°F | 34°F | 3.91 | – |
| Battle Creek | 60°F | 35°F | 3.42 | – |
| Swea City | 55°F | 33°F | 3.43 | 3.6 |
| Allerton | 62°F | 38°F | 4.01 | – |
| Little Sioux | 62°F | 35°F | 3.87 | 1.9 |
| Castana | 60°F | 37°F | 3.32 | 1.7 |
| Stanley | 58°F | 34°F | 3.96 | – |
| Rathbun | 62°F | 39°F | 3.93 | – |
| Beaconsfield | 61°F | 38°F | 4.05 | 1.3 |
| Des Moines Weather Office-Johnston | 62°F | 40°F | 4.00 | 1.6 |
| Sioux City Ang | 61°F | 35°F | 3.07 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.