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Seymour, IA
Full City Profile · Iowa · Wayne County County
2.8
/5.0
C+
Fair
558
Population
233/sq mi density
$45,000
Median Income
$26,589 per capita
$78,600
Home Value
$135,765 Zillow
$544
Median Rent
27.0% income on rent
50°F
Avg Temperature
275 sunny days/yr
295
Violent Crime/100K
4,144 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$45,000 median income, 0.4% unemployment
A+
Affordability
5.0 / 5.0
$78,600 home value, $544/mo rent
F
Safety
1.0 / 5.0
295 violent crimes/100K
C
Education
2.1 / 5.0
13.4% bachelor's degree or higher
Seymour experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.4 inches. Air quality is rated Good with a median AQI of 43.
Temperature
22°F Jan (-5°C)
75°F Jul (24°C)
| Annual Average | 49.9°F |
| 8% below US avg | |
| January Average | 22°F (-5°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,075 ft (328 m) |
| Area | 2.4 sq mi (6.1 km²) |
| Population Density | 233/sq mi |
| Coordinates | 40.6821°N, 93.1211°W |
| Timezone | America/Chicago |
| County | Wayne County County |
| Nearest Airport | Ottumwa Regional (OTM) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 22.0 / 100 |
| Social Vulnerability | 73.9 / 100 |
| Community Resilience | 46.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-5°C) | 1.1 in | Coldest, Driest |
| February | 28°F (-3°C) | 1.1 in | |
| March | 39°F (4°C) | 2.5 in | |
| April | 51°F (11°C) | 3.4 in | |
| May | 62°F (16°C) | 4.3 in | |
| June | 71°F (22°C) | 4.4 in | |
| July | 75°F (24°C) | 4.6 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.1 in | |
| September | 65°F (18°C) | 4.3 in | |
| October | 53°F (12°C) | 3.0 in | |
| November | 39°F (4°C) | 2.3 in | |
| December | 27°F (-3°C) | 1.5 in |
Seymour has a seasonal temperature swing of 52°F / from 22°F in January to 75°F in July. Total annual precipitation is 36.8 inches, with July being the wettest month (4.6") and January the driest (1.1").