Seymour, TN
Full City Profile · Tennessee · Knox County County
4.0
/5.0
A
Great
15,914
Population
993/sq mi density
$85,240
Median Income
$40,963 per capita
$262,800
Home Value
$373,356 Zillow
$1,530
Median Rent
22.1% income on rent
60°F
Avg Temperature
A
Overall
4.0 / 5.0
Strong
A
Economy
4.3 / 5.0
$85,240 median income, 4.4% unemployment
A+
Affordability
5.0 / 5.0
$262,800 home value, $1,530/mo rent
C+
Education
2.7 / 5.0
21.5% bachelor's degree or higher
Seymour enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 39°F in January while summers reach 79°F in July. Annual precipitation totals 51.9 inches. The area receives 4.6 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
39°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.5°F |
| 10% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 1,210 ft (369 m) |
| Area | 12.6 sq mi (32.7 km²) |
| Population Density | 993/sq mi |
| Coordinates | 35.8827°N, 83.7616°W |
| Timezone | America/Chicago |
| County | Knox County County |
| Nearest Airport | Mc Ghee Tyson (TYS) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
| Good Days % | 56.0% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0437 ppm |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.1 / 100 |
| Social Vulnerability | 22.7 / 100 |
| Community Resilience | 61.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 4.8 in | Coldest |
| February | 43°F (6°C) | 4.8 in | |
| March | 51°F (10°C) | 4.9 in | |
| April | 60°F (15°C) | 4.7 in | |
| May | 68°F (20°C) | 4.1 in | |
| June | 75°F (24°C) | 4.2 in | |
| July | 79°F (26°C) | 5.3 in | Warmest, Wettest |
| August | 78°F (25°C) | 3.6 in | |
| September | 72°F (22°C) | 3.5 in | |
| October | 60°F (16°C) | 2.8 in | Driest |
| November | 49°F (9°C) | 4.2 in | |
| December | 42°F (5°C) | 5.0 in |
Seymour has a seasonal temperature swing of 39°F / from 39°F in January to 79°F in July. Total annual precipitation is 51.9 inches, with July being the wettest month (5.3") and October the driest (2.8").