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Brentwood, TN
Full City Profile · Tennessee · Williamson County County
3.7
/5.0
B+
Good
45,272
Population
1,074/sq mi density
$184,720
Median Income
$87,589 per capita
$926,700
Home Value
$1,367,356 Zillow
$2,497
Median Rent
34.6% income on rent
58°F
Avg Temperature
301 sunny days/yr
88
Violent Crime/100K
865 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$184,720 median income, 1.4% unemployment
B+
Affordability
3.8 / 5.0
$926,700 home value, $2,497/mo rent
F
Safety
1.0 / 5.0
88 violent crimes/100K
A+
Education
5.0 / 5.0
74.5% bachelor's degree or higher
Brentwood enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 37°F in January while summers reach 78°F in July. The area gets 301 sunny days per year. Annual precipitation totals 54.4 inches. Air quality is rated Good with a median AQI of 40.
Temperature
37°F Jan (3°C)
78°F Jul (26°C)
| Annual Average | 57.9°F |
| 7% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 764 ft (233 m) |
| Area | 42.2 sq mi (109.2 km²) |
| Population Density | 1,074/sq mi |
| Coordinates | 35.9939°N, 86.7708°W |
| Timezone | America/Chicago |
| County | Williamson County County |
| Nearest Airport | Nashville International (BNA) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0472 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.2 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 95.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 4.2 in | Coldest |
| February | 40°F (4°C) | 4.1 in | |
| March | 49°F (9°C) | 5.6 in | Wettest |
| April | 57°F (14°C) | 4.4 in | |
| May | 66°F (19°C) | 5.1 in | |
| June | 74°F (23°C) | 4.1 in | |
| July | 78°F (26°C) | 4.4 in | Warmest |
| August | 77°F (25°C) | 3.6 in | |
| September | 71°F (21°C) | 3.9 in | |
| October | 59°F (15°C) | 3.2 in | Driest |
| November | 49°F (9°C) | 4.7 in | |
| December | 40°F (5°C) | 4.9 in |
Brentwood has a seasonal temperature swing of 41°F / from 37°F in January to 78°F in July. Total annual precipitation is 52.2 inches, with March being the wettest month (5.6") and October the driest (3.2").