All Countries
Weather & Climate in Brentwood, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
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, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 54.4 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 764 feet.
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 |
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)
Earthquake History
25 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Jun 19, 2007 | 10 km ENE of Spencer, Tennessee | M3.5 | 129 km | 1 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M3.1 | 124 km | 8 km |
| Jan 2, 2000 | 4 km SW of Lester, Alabama | M2.9 | 121 km | 10 km |
| Jan 2, 2000 | 4 km SW of Lester, Alabama | M2.9 | 121 km | 13 km |
| May 13, 1999 | 7 km NW of Elkmont, Alabama | M2.8 | 115 km | 10 km |
| May 13, 1999 | 11 km S of Pulaski, Tennessee | M2.8 | 103 km | 20 km |
| Sep 20, 1990 | 6 km N of Elkmont, Alabama | M2.8 | 113 km | 4 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M2.8 | 124 km | 6 km |
| Jan 16, 2019 | 5 km SSE of Wartrace, Tennessee | M2.8 | 70 km | 7 km |
| Mar 11, 2006 | 17 km E of Olivet, Tennessee | M2.7 | 143 km | 2 km |
| Aug 13, 2022 | 6 km NW of Hazel Green, Alabama | M2.7 | 114 km | 13 km |
| Jul 8, 2001 | 7 km SE of Franklin, Tennessee | M2.6 | 13 km | 0 km |
| Mar 22, 1990 | 9 km E of Rochester, Kentucky | M2.6 | 134 km | 5 km |
| Sep 9, 2000 | 10 km NNW of Kimball, Tennessee | M2.6 | 134 km | 6 km |
| Dec 8, 1997 | 6 km NE of Murfreesboro, Tennessee | M2.6 | 41 km | 0 km |
| Jan 8, 1995 | Kentucky | M2.6 | 145 km | 30 km |
| Jun 1, 2019 | 4 km ESE of Manchester, Tennessee | M2.6 | 88 km | 6 km |
| Jun 21, 2023 | 6 km SSE of Sewanee, Tennessee | M2.5 | 124 km | 9 km |
| Mar 8, 1990 | 4 km SW of Oak Grove, Kentucky | M2.5 | 148 km | 5 km |
| May 2, 1998 | 6 km WNW of Nebo, Kentucky | M2.5 | 147 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
547 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 84 fatalities, 1,538 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 10, 2009 | EF4 | 27 km | 23.3 mi | 2 |
| Jan 24, 1997 | EF4 | 34 km | 6.5 mi | 0 |
| Dec 24, 1988 | EF4 | 14 km | 6.0 mi | 1 |
| Apr 27, 1970 | EF4 | 60 km | 42.6 mi | 3 |
| Feb 29, 1952 | EF4 | 95 km | 2.0 mi | 2 |
| Feb 13, 1952 | EF4 | 98 km | 12.7 mi | 3 |
| May 8, 2024 | EF3 | 48 km | 11.5 mi | 1 |
| Dec 9, 2023 | EF3 | 90 km | 47.2 mi | 4 |
| Dec 11, 2021 | EF3 | 99 km | 28.0 mi | 0 |
| Mar 3, 2020 | EF3 | 26 km | 60.1 mi | 5 |
| Apr 26, 2011 | EF3 | 99 km | 2.6 mi | 0 |
| Apr 11, 2008 | EF3 | 83 km | 4.7 mi | 0 |
| Apr 11, 2008 | EF3 | 99 km | 10.3 mi | 0 |
| Feb 6, 2008 | EF3 | 93 km | 9.4 mi | 4 |
| Feb 5, 2008 | EF3 | 58 km | 50.3 mi | 22 |
| Apr 7, 2006 | EF3 | 36 km | 22.7 mi | 7 |
| Apr 7, 2006 | EF3 | 56 km | 18.8 mi | 0 |
| May 11, 2003 | EF3 | 19 km | 1.0 mi | 0 |
| May 11, 2003 | EF3 | 34 km | 1.0 mi | 0 |
| May 5, 2003 | EF3 | 82 km | 1.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: MERIWETHER LEWIS (513 acres, 2014).
| Year | Name | Acres Burned | Distance |
| 2014 | MERIWETHER LEWIS | 513 | 81 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
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").