Philadelphia, TN
Full City Profile · Tennessee · Loudon County County
3.5
/5.0
B+
Good
722
Population
463/sq mi density
$68,618
Median Income
$32,827 per capita
$118,800
Home Value
$290,070 Zillow
$882
Median Rent
20.6% income on rent
59°F
Avg Temperature
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$68,618 median income, 18.4% unemployment
A+
Affordability
5.0 / 5.0
$118,800 home value, $882/mo rent
C
Education
2.2 / 5.0
15.0% bachelor's degree or higher
Philadelphia enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 79°F in July. Annual precipitation totals 55.2 inches. The area receives 4.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
38°F Jan (4°C)
79°F Jul (26°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 38°F (4°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 879 ft (268 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 463/sq mi |
| Coordinates | 35.6791°N, 84.3999°W |
| Timezone | America/Chicago |
| County | Loudon County County |
| Nearest Airport | Mc Ghee Tyson (TYS) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
| Good Days % | 78.1% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0454 ppm |
| PM2.5 (Fine Particles) | 7.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 68.4 / 100 |
| Social Vulnerability | 68.1 / 100 |
| Community Resilience | 68.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (4°C) | 5.0 in | Coldest |
| February | 42°F (6°C) | 5.2 in | |
| March | 50°F (10°C) | 5.1 in | |
| April | 59°F (15°C) | 5.2 in | |
| May | 67°F (20°C) | 4.3 in | |
| June | 75°F (24°C) | 4.2 in | |
| July | 79°F (26°C) | 5.1 in | Warmest |
| August | 78°F (25°C) | 3.8 in | |
| September | 72°F (22°C) | 4.3 in | |
| October | 60°F (16°C) | 3.0 in | Driest |
| November | 49°F (9°C) | 4.1 in | |
| December | 42°F (5°C) | 5.9 in | Wettest |
Philadelphia has a seasonal temperature swing of 40°F / from 38°F in January to 79°F in July. Total annual precipitation is 55.2 inches, with December being the wettest month (5.9") and October the driest (3.0").