Iowa weather in July: Statewide normals and every place, NOAA 1991-2020
In July, Iowa's statewide normal high is 84°F and normal low 63°F; normal highs run from 79°F in Northwood to 87°F in Glenwood (NOAA 1991-2020 normals).
- Statewide normal high
- 84°FJuly, 1991-2020
- Statewide normal low
- 63°FJuly, 1991-2020
- Statewide normal precipitation
- 4.17 inJuly
- Warmest place
- 87°Fnormal high, Glenwood
- Coolest place
- 79°Fnormal high, Northwood
Where is Iowa warmest and wettest in July?
Glenwood has the warmest July afternoons (87°F) and Northwood the coolest (79°F). Fayette gets the most precipitation (5.32 in) and Le Mars the least (3.11 in).
Statewide, July averaged 73.4°F in 2021, 74.2°F in 2022, 72.0°F in 2023, 72.2°F in 2024, 74.9°F in 2025, 76.0°F in 2026, against a 1991-2020 normal of 73.4°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Des Moines | 86°F | 66°F | 3.82 | 0.0 |
| Cedar Rapids | 83°F | 63°F | 4.41 | – |
| Davenport | 84°F | 64°F | 4.07 | – |
| Sioux City | 85°F | 63°F | 3.35 | 0.0 |
| Ankeny | 86°F | 65°F | 4.19 | 0.0 |
| Iowa City | 86°F | 66°F | 3.91 | – |
| Ames | 84°F | 63°F | 4.44 | – |
| Waterloo | 85°F | 64°F | 4.34 | 0.0 |
| Dubuque | 82°F | 62°F | 4.80 | 0.0 |
| Marion | 86°F | 63°F | 4.47 | 0.0 |
| Marshalltown | 83°F | 62°F | 3.67 | – |
| Mason City | 83°F | 61°F | 4.43 | 0.0 |
| Ottumwa | 86°F | 65°F | 3.87 | 0.0 |
| Fort Dodge | 83°F | 62°F | 4.20 | 0.0 |
| Clinton | 84°F | 65°F | 3.89 | 0.0 |
| Burlington | 85°F | 66°F | 4.02 | – |
| Muscatine | 85°F | 64°F | 4.25 | 0.0 |
| Indianola | 86°F | 64°F | 4.32 | 0.0 |
| Newton | 85°F | 64°F | 3.93 | 0.0 |
| Boone | 84°F | 63°F | 4.80 | 0.0 |
| Storm Lake | 82°F | 64°F | 3.83 | – |
| Oskaloosa | 86°F | 65°F | 4.40 | – |
| Spencer | 85°F | 62°F | 3.84 | – |
| Le Mars | 85°F | 62°F | 3.11 | 0.0 |
| Carroll | 84°F | 64°F | 4.36 | – |
| Fort Madison | 85°F | 68°F | 4.06 | 0.0 |
| Fairfield | 84°F | 64°F | 3.96 | 0.0 |
| Grinnell | 83°F | 62°F | 3.96 | 0.0 |
| Keokuk | 86°F | 67°F | 4.08 | – |
| Sioux Center | 85°F | 62°F | 3.45 | 0.0 |
| Mount Pleasant | 85°F | 62°F | 4.36 | 0.0 |
| Denison | 83°F | 63°F | 4.13 | 0.0 |
| Perry | 85°F | 64°F | 4.42 | – |
| Webster City | 83°F | 61°F | 4.41 | 0.0 |
| Decorah | 84°F | 63°F | 4.42 | 0.0 |
| Knoxville | 85°F | 66°F | 4.34 | – |
| Creston | 85°F | 63°F | 4.46 | – |
| Washington | 85°F | 63°F | 4.13 | 0.0 |
| Charles City | 82°F | 62°F | 4.92 | 0.0 |
| Atlantic | 86°F | 64°F | 4.40 | 0.0 |
| Independence | 83°F | 62°F | 4.61 | 0.0 |
| Maquoketa | 82°F | 63°F | 4.15 | 0.0 |
| Anamosa | 83°F | 62°F | 5.23 | – |
| Estherville | 81°F | 60°F | 3.76 | – |
| Oelwein | 82°F | 62°F | – | – |
| Osceola | 87°F | 64°F | 4.47 | 0.0 |
| Sheldon | 83°F | 60°F | 3.61 | 0.0 |
| Spirit Lake | 83°F | 63°F | 3.53 | 0.0 |
| Winterset | 84°F | 62°F | 4.10 | 0.0 |
| Red Oak | 86°F | 66°F | 3.96 | 0.0 |
| Centerville | 86°F | 63°F | 3.45 | 0.0 |
| Algona | 83°F | 61°F | 4.13 | – |
| Clarinda | 86°F | 64°F | 4.77 | 0.0 |
| Manchester | 82°F | 61°F | 4.79 | 0.0 |
| Glenwood | 87°F | 65°F | 4.31 | 0.0 |
| Cherokee | 84°F | 62°F | 3.40 | 0.0 |
| Iowa Falls | 83°F | 62°F | 4.54 | 0.0 |
| Vinton | 81°F | 60°F | 4.15 | 0.0 |
| Harlan | 86°F | 64°F | 3.72 | 0.0 |
| Shenandoah | 87°F | 67°F | 4.36 | 0.0 |
| Le Claire | 85°F | 66°F | 4.17 | – |
| Humboldt | 81°F | 63°F | 4.15 | – |
| Hampton | 83°F | 62°F | 4.70 | – |
| Chariton | 85°F | 62°F | 4.21 | 0.0 |
| Forest City | 81°F | 62°F | 4.60 | – |
| Jefferson | 83°F | 63°F | 4.38 | 0.0 |
| Cresco | 83°F | 60°F | 4.83 | 0.0 |
| Waukon | 81°F | 62°F | 4.73 | – |
| Emmetsburg | 85°F | 63°F | 3.82 | 0.0 |
| Albia | 84°F | 65°F | 4.02 | 0.0 |
| Osage | 81°F | 62°F | 4.97 | 0.0 |
| New Hampton | 81°F | 60°F | 4.99 | 0.0 |
| Williamsburg | 84°F | 63°F | 4.32 | 0.0 |
| Milford | 83°F | 62°F | 3.40 | 0.0 |
| Tipton | 84°F | 64°F | 4.08 | – |
| Grundy Center | 83°F | 62°F | 4.43 | 0.0 |
| Onawa | 86°F | 63°F | 3.39 | 0.0 |
| Sibley | 82°F | 60°F | 3.30 | 0.0 |
| Bloomfield | 86°F | 66°F | 4.45 | 0.0 |
| Clarion | 85°F | 62°F | 4.04 | 0.0 |
| Rock Rapids | 85°F | 62°F | 3.59 | 0.0 |
| Hawarden | 85°F | 62°F | 3.19 | 0.0 |
| Eldora | 84°F | 62°F | 4.06 | 0.0 |
| Postville | 83°F | 61°F | 4.52 | 0.0 |
| Cascade | 83°F | 63°F | 4.53 | 0.0 |
| Toledo | 83°F | 62°F | 4.05 | 0.0 |
| Belle Plaine | 84°F | 63°F | 4.06 | 0.0 |
| Bellevue | 85°F | 63°F | 4.33 | 0.0 |
| Rockwell City | 83°F | 63°F | 3.54 | 0.0 |
| Lamoni | 85°F | 66°F | 4.11 | – |
| Northwood | 79°F | 59°F | 4.73 | 0.0 |
| Audubon | 83°F | 62°F | 3.82 | – |
| Britt | 82°F | 62°F | 4.24 | – |
| Sac City | 83°F | 62°F | 3.89 | 0.0 |
| Greenfield | 84°F | 64°F | 3.99 | 0.0 |
| Ida Grove | 84°F | 63°F | – | – |
| Sigourney | 85°F | 63°F | 3.93 | – |
| Pocahontas | 84°F | 62°F | 4.02 | 0.0 |
| Guttenberg | 84°F | 64°F | 4.85 | 0.0 |
| Columbus Junction | 84°F | 63°F | 4.09 | 0.0 |
| Leon | 86°F | 63°F | 4.43 | 0.0 |
| Mount Ayr | 85°F | 64°F | 4.40 | 0.0 |
| Guthrie Center | 85°F | 63°F | 4.32 | – |
| Oakland | 85°F | 64°F | 3.58 | 0.0 |
| Corning | 85°F | 64°F | 4.00 | 0.0 |
| Holstein | 81°F | 63°F | 3.79 | 0.0 |
| Bedford | 86°F | 65°F | 4.64 | – |
| Sanborn | 83°F | 62°F | 3.37 | 0.0 |
| Logan | 86°F | 64°F | 4.06 | 0.0 |
| Tripoli | 83°F | 62°F | 4.80 | – |
| Fayette | 82°F | 60°F | 5.32 | 0.0 |
| Elkader | 82°F | 60°F | 4.60 | 0.0 |
| Lake Park | 85°F | 63°F | 3.81 | 0.0 |
| Mapleton | 84°F | 62°F | 4.18 | 0.0 |
| Sidney | 86°F | 65°F | 4.49 | 0.0 |
| Keosauqua | 86°F | 65°F | 4.48 | 0.0 |
| Allison | 83°F | 63°F | 4.20 | – |
| Primghar | 85°F | 64°F | 3.88 | 0.0 |
| Donnellson | 86°F | 65°F | 4.24 | 0.0 |
| Colo | 83°F | 63°F | 4.32 | 0.0 |
| Lowden | 85°F | 62°F | 4.55 | 0.0 |
| Dakota City | 83°F | 62°F | 4.01 | – |
| Sioux Rapids | 82°F | 62°F | 3.29 | 0.0 |
| Coggon | 83°F | 61°F | 4.96 | – |
| Battle Creek | 84°F | 62°F | 3.71 | – |
| Swea City | 81°F | 60°F | 4.16 | 0.0 |
| Allerton | 85°F | 64°F | 4.73 | – |
| Little Sioux | 86°F | 62°F | 4.85 | 0.0 |
| Castana | 84°F | 64°F | 4.02 | 0.0 |
| Stanley | 82°F | 59°F | 5.25 | – |
| Rathbun | 85°F | 66°F | 4.57 | – |
| Beaconsfield | 84°F | 64°F | 4.14 | 0.0 |
| Des Moines Weather Office-Johnston | 85°F | 66°F | 4.27 | 0.0 |
| Sioux City Ang | 86°F | 63°F | 3.36 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.