Harrison, TN
Full City Profile · Tennessee · Hamilton County County
4.7
/5.0
A+
Excellent
8,446
Population
1,253/sq mi density
$89,753
Median Income
$43,125 per capita
$254,600
Home Value
$338,803 Zillow
$1,232
Median Rent
27.7% income on rent
62°F
Avg Temperature
A+
Overall
4.7 / 5.0
Strong
A+
Economy
4.8 / 5.0
$89,753 median income, 1.2% unemployment
A+
Affordability
5.0 / 5.0
$254,600 home value, $1,232/mo rent
A
Education
4.2 / 5.0
40.0% bachelor's degree or higher
Harrison enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 42°F in January while summers reach 81°F in July. Annual precipitation totals 55.0 inches. The area receives 3.6 inches of snow annually. Air quality is rated Good with a median AQI of 48.
Temperature
42°F Jan (5°C)
81°F Jul (27°C)
| Annual Average | 61.9°F |
| 15% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 81°F (27°C) |
Geography
| Elevation | 741 ft (226 m) |
| Area | 8.3 sq mi (21.5 km²) |
| Population Density | 1,253/sq mi |
| Coordinates | 35.1250°N, 85.1471°W |
| Timezone | America/Chicago |
| County | Hamilton County County |
| Nearest Airport | Richard B Russell Regional - J H Towers Field (RMG) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 48.0 |
| Rating | Good |
| Good Days % | 54.4% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0469 ppm |
| PM2.5 (Fine Particles) | 9.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.3 / 100 |
| Social Vulnerability | 36.4 / 100 |
| Community Resilience | 77.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 5.0 in | Coldest |
| February | 46°F (8°C) | 5.0 in | |
| March | 53°F (12°C) | 5.3 in | Wettest |
| April | 62°F (17°C) | 4.9 in | |
| May | 70°F (21°C) | 3.9 in | |
| June | 77°F (25°C) | 4.2 in | |
| July | 81°F (27°C) | 5.1 in | Warmest |
| August | 80°F (27°C) | 3.7 in | |
| September | 74°F (23°C) | 4.2 in | |
| October | 63°F (17°C) | 3.6 in | Driest |
| November | 51°F (11°C) | 4.8 in | |
| December | 44°F (7°C) | 5.3 in |
Harrison has a seasonal temperature swing of 39°F / from 42°F in January to 81°F in July. Total annual precipitation is 55.0 inches, with March being the wettest month (5.3") and October the driest (3.6").