Iowa City, IA
Full City Profile · Iowa · Johnson County County
4.2
/5.0
A
Great
75,264
Population
2,922/sq mi density
$57,533
Median Income
$37,123 per capita
$273,600
Home Value
$303,890 Zillow
$1,094
Median Rent
37.6% income on rent
51°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
B+
Economy
3.7 / 5.0
$57,533 median income, 4.2% unemployment
B+
Affordability
4.0 / 5.0
$273,600 home value, $1,094/mo rent
A+
Education
5.0 / 5.0
60.7% bachelor's degree or higher
Iowa City experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 23°F in January while summers reach 76°F in July. Annual precipitation totals 35.7 inches. The area receives 27.5 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
23°F Jan (-5°C)
76°F Jul (24°C)
| Annual Average | 51.0°F |
| 6% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 76°F (24°C) |
Geography
| Elevation | 666 ft (203 m) |
| Area | 25.8 sq mi (66.7 km²) |
| Population Density | 2,922/sq mi |
| Coordinates | 41.6557°N, 91.5309°W |
| Timezone | America/Chicago |
| County | Johnson County County |
| Nearest Airport | The Eastern Iowa (CID) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 70.8% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.4 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 96.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.0 in | Coldest, Driest |
| February | 27°F (-3°C) | 1.2 in | |
| March | 40°F (4°C) | 2.2 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 63°F (17°C) | 4.5 in | |
| June | 72°F (22°C) | 5.3 in | Wettest |
| July | 76°F (24°C) | 3.9 in | Warmest |
| August | 74°F (23°C) | 3.9 in | |
| September | 66°F (19°C) | 3.2 in | |
| October | 53°F (12°C) | 3.0 in | |
| November | 40°F (4°C) | 2.2 in | |
| December | 28°F (-2°C) | 1.5 in |
Iowa City has a seasonal temperature swing of 53°F / from 23°F in January to 76°F in July. Total annual precipitation is 35.7 inches, with June being the wettest month (5.3") and January the driest (1.0").