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Erwin, TN
Full City Profile · Tennessee · Unicoi County County
2.9
/5.0
C+
Fair
6,001
Population
1,453/sq mi density
$45,422
Median Income
$27,950 per capita
$165,100
Home Value
$216,875 Zillow
$602
Median Rent
34.0% income on rent
55°F
Avg Temperature
305 sunny days/yr
515
Violent Crime/100K
1,528 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$45,422 median income, 2.1% unemployment
A+
Affordability
4.6 / 5.0
$165,100 home value, $602/mo rent
F
Safety
1.0 / 5.0
515 violent crimes/100K (36% above avg)
C
Education
2.4 / 5.0
17.4% bachelor's degree or higher
Erwin experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 36°F in January while summers reach 74°F in July. The area gets 305 sunny days per year. Annual precipitation totals 47.0 inches. The area receives 9.3 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
36°F Jan (2°C)
74°F Jul (23°C)
| Annual Average | 55.4°F |
| 3% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 1,719 ft (524 m) |
| Area | 4.0 sq mi (10.5 km²) |
| Population Density | 1,453/sq mi |
| Coordinates | 36.1458°N, 82.4120°W |
| Timezone | America/Chicago |
| County | Unicoi County County |
| Nearest Airport | Asheville Regional (AVL) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 10.6 / 100 |
| Social Vulnerability | 54.7 / 100 |
| Community Resilience | 24.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 3.7 in | Coldest |
| February | 37°F (3°C) | 3.9 in | |
| March | 44°F (7°C) | 4.7 in | |
| April | 52°F (11°C) | 4.0 in | |
| May | 60°F (15°C) | 4.6 in | |
| June | 67°F (19°C) | 4.4 in | |
| July | 74°F (23°C) | 4.8 in | Warmest, Wettest |
| August | 70°F (21°C) | 4.3 in | |
| September | 64°F (18°C) | 3.7 in | |
| October | 54°F (12°C) | 3.1 in | Driest |
| November | 45°F (7°C) | 3.6 in | |
| December | 37°F (3°C) | 3.5 in |
Erwin has a seasonal temperature swing of 38°F / from 36°F in January to 74°F in July. Total annual precipitation is 48.3 inches, with July being the wettest month (4.8") and October the driest (3.1").