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Smithville, TN
Full City Profile · Tennessee · DeKalb County County
2.3
/5.0
C
Fair
5,158
Population
876/sq mi density
$29,507
Median Income
$17,349 per capita
$153,500
Home Value
$278,386 Zillow
$676
Median Rent
32.5% income on rent
57°F
Avg Temperature
301 sunny days/yr
435
Violent Crime/100K
2,444 property/100K
C
Overall
2.3 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.4 / 5.0
$29,507 median income, 3.3% unemployment
B+
Affordability
3.7 / 5.0
$153,500 home value, $676/mo rent
F
Safety
1.0 / 5.0
435 violent crimes/100K (14% above avg)
C
Education
2.1 / 5.0
14.2% bachelor's degree or higher
Smithville enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 36°F in January while summers reach 77°F in July. The area gets 301 sunny days per year. Annual precipitation totals 57.0 inches. The area receives 3.1 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
36°F Jan (2°C)
77°F Jul (25°C)
| Annual Average | 56.9°F |
| 5% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 1,061 ft (323 m) |
| Area | 5.9 sq mi (15.3 km²) |
| Population Density | 876/sq mi |
| Coordinates | 35.9584°N, 85.8211°W |
| Timezone | America/Chicago |
| County | DeKalb County County |
| Nearest Airport | Tullahoma Regional/Wm Northern Field (THA) 47 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0433 ppm |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 25.5 / 100 |
| Social Vulnerability | 54.1 / 100 |
| Community Resilience | 30.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 4.6 in | Coldest |
| February | 40°F (4°C) | 4.4 in | |
| March | 48°F (9°C) | 5.9 in | Wettest |
| April | 57°F (14°C) | 4.6 in | |
| May | 65°F (18°C) | 5.2 in | |
| June | 73°F (23°C) | 4.2 in | |
| July | 77°F (25°C) | 5.0 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 70°F (21°C) | 4.1 in | |
| October | 58°F (15°C) | 3.5 in | Driest |
| November | 49°F (9°C) | 4.8 in | |
| December | 41°F (5°C) | 5.4 in |
Smithville has a seasonal temperature swing of 40°F / from 36°F in January to 77°F in July. Total annual precipitation is 55.5 inches, with March being the wettest month (5.9") and October the driest (3.5").