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Seymour, TN
Full City Profile · Tennessee · Knox County County
3.3
/5.0
B
Good
15,914
Population
993/sq mi density
$85,240
Median Income
$40,963 per capita
$262,800
Home Value
$363,104 Zillow
$1,530
Median Rent
22.1% income on rent
59°F
Avg Temperature
310 sunny days/yr
558
Violent Crime/100K
4,454 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$85,240 median income, 2.8% unemployment
A+
Affordability
5.0 / 5.0
$262,800 home value, $1,530/mo rent
F
Safety
1.0 / 5.0
558 violent crimes/100K (47% above avg)
C+
Education
2.7 / 5.0
21.5% bachelor's degree or higher
Seymour enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 78°F in July. The area gets 310 sunny days per year. Annual precipitation totals 48.8 inches. The area receives 3.6 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
38°F Jan (3°C)
78°F Jul (26°C)
| Annual Average | 59.0°F |
| 9% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 310 days/yr |
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 | 40.0 |
| Rating | Good |
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 | 38°F (3°C) | 4.1 in | Coldest |
| February | 40°F (5°C) | 3.9 in | |
| March | 48°F (9°C) | 4.9 in | Wettest |
| April | 56°F (14°C) | 3.9 in | |
| May | 65°F (18°C) | 4.5 in | |
| June | 73°F (23°C) | 4.1 in | |
| July | 78°F (26°C) | 4.9 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 70°F (21°C) | 3.3 in | |
| October | 58°F (14°C) | 2.8 in | Driest |
| November | 48°F (9°C) | 3.7 in | |
| December | 40°F (5°C) | 4.2 in |
Seymour has a seasonal temperature swing of 40°F / from 38°F in January to 78°F in July. Total annual precipitation is 48.3 inches, with March being the wettest month (4.9") and October the driest (2.8").