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Ottumwa, IA
Full City Profile · Iowa · Wapello County County
3.1
/5.0
B
Good
25,352
Population
1,579/sq mi density
$56,994
Median Income
$31,698 per capita
$92,400
Home Value
$118,814 Zillow
$956
Median Rent
28.7% income on rent
51°F
Avg Temperature
275 sunny days/yr
547
Violent Crime/100K
4,120 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$56,994 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$92,400 home value, $956/mo rent
F
Safety
1.0 / 5.0
547 violent crimes/100K (44% above avg)
C+
Education
2.6 / 5.0
20.1% bachelor's degree or higher
Ottumwa experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 23°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 37.0 inches. The area receives 23.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
23°F Jan (-5°C)
75°F Jul (24°C)
| Annual Average | 50.7°F |
| 6% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 647 ft (197 m) |
| Area | 16.5 sq mi (42.8 km²) |
| Population Density | 1,579/sq mi |
| Coordinates | 41.0223°N, 92.4233°W |
| Timezone | America/Chicago |
| County | Wapello County County |
| Nearest Airport | Ottumwa Regional (OTM) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 65.3 / 100 |
| Social Vulnerability | 43.3 / 100 |
| Community Resilience | 70.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 1.1 in | Coldest |
| February | 28°F (-3°C) | 0.9 in | Driest |
| March | 39°F (4°C) | 2.4 in | |
| April | 51°F (11°C) | 3.6 in | |
| May | 62°F (17°C) | 4.1 in | |
| June | 72°F (22°C) | 4.1 in | |
| July | 75°F (24°C) | 4.7 in | Warmest, Wettest |
| August | 74°F (23°C) | 4.1 in | |
| September | 65°F (19°C) | 4.3 in | |
| October | 54°F (12°C) | 2.6 in | |
| November | 39°F (4°C) | 2.2 in | |
| December | 27°F (-3°C) | 1.4 in |
Ottumwa has a seasonal temperature swing of 52°F / from 23°F in January to 75°F in July. Total annual precipitation is 35.3 inches, with July being the wettest month (4.7") and February the driest (0.9").