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Somerville, TN
Full City Profile · Tennessee · Fayette County County
1.7
/5.0
D
Poor
3,439
Population
253/sq mi density
$31,063
Median Income
$21,135 per capita
$301,400
Home Value
$290,007 Zillow
$645
Median Rent
26.9% income on rent
61°F
Avg Temperature
301 sunny days/yr
436
Violent Crime/100K
1,618 property/100K
D
Overall
1.7 / 5.0
Below average overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$31,063 median income, 0.9% unemployment
F
Affordability
1.2 / 5.0
$301,400 home value, $645/mo rent
F
Safety
1.0 / 5.0
436 violent crimes/100K (15% above avg)
C
Education
2.0 / 5.0
13.0% bachelor's degree or higher
Somerville enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 40°F in January while summers reach 81°F in July. The area gets 301 sunny days per year. Annual precipitation totals 54.9 inches. The area receives 1.9 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
40°F Jan (5°C)
81°F Jul (27°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 469 ft (143 m) |
| Area | 12.5 sq mi (32.5 km²) |
| Population Density | 253/sq mi |
| Coordinates | 35.2322°N, 89.3754°W |
| Timezone | America/Chicago |
| County | Fayette County County |
| Nearest Airport | Mc Kellar-Sipes Regional (MKL) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.0 / 100 |
| Social Vulnerability | 62.7 / 100 |
| Community Resilience | 50.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1811 | AR: NE - NEW MADRID EARTHQUAKES | Eruption + Earthquake | — | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 4.1 in | Coldest |
| February | 43°F (6°C) | 4.4 in | |
| March | 51°F (11°C) | 5.4 in | |
| April | 60°F (16°C) | 5.5 in | Wettest |
| May | 68°F (20°C) | 5.2 in | |
| June | 76°F (25°C) | 3.8 in | |
| July | 81°F (27°C) | 4.1 in | Warmest |
| August | 78°F (26°C) | 3.2 in | |
| September | 72°F (22°C) | 3.8 in | |
| October | 61°F (16°C) | 3.1 in | Driest |
| November | 51°F (10°C) | 5.0 in | |
| December | 42°F (5°C) | 5.5 in |
Somerville has a seasonal temperature swing of 40°F / from 40°F in January to 81°F in July. Total annual precipitation is 53.0 inches, with April being the wettest month (5.5") and October the driest (3.1").