Weather & Climate in Lebanon, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lebanon enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 80°F in July. Annual precipitation totals 54.5 inches (wetter than the 38-inch national average). The area receives 1.2 inches of snow annually. Air quality is rated Good with a median AQI of 41. 88% of days have good air quality. The city sits at an elevation of 636 feet.
Temperature
38°F Jan (3°C)
80°F Jul (27°C)
| Annual Average | 59.1°F |
| 9% above US avg | |
| January Average | 38°F (3°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 636 ft (194 m) |
| Area | 38.6 sq mi (99.9 km²) |
| Population Density | 1,031/sq mi |
| Coordinates | 36.1994°N, 86.3446°W |
| Timezone | America/Chicago |
| County | Wilson County County |
| Nearest Airport | Nashville International (BNA) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
| Good Days % | 88.2% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 80.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 60.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
31 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 | 99 km | 1 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M3.1 | 125 km | 8 km |
| Nov 28, 1998 | 6 km SW of Bremen, Kentucky | M2.9 | 149 km | 0 km |
| May 13, 1999 | 7 km NW of Elkmont, Alabama | M2.8 | 149 km | 10 km |
| May 13, 1999 | 11 km S of Pulaski, Tennessee | M2.8 | 138 km | 20 km |
| Sep 20, 1990 | 6 km N of Elkmont, Alabama | M2.8 | 146 km | 4 km |
| Jun 8, 2014 | 8 km WNW of Dayton, Tennessee | M2.8 | 135 km | 14 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M2.8 | 125 km | 6 km |
| Jan 16, 2019 | 5 km SSE of Wartrace, Tennessee | M2.8 | 79 km | 7 km |
| Aug 13, 2022 | 6 km NW of Hazel Green, Alabama | M2.7 | 138 km | 13 km |
| Apr 11, 2015 | 2 km E of Dayton, Tennessee | M2.6 | 145 km | 14 km |
| Feb 27, 2020 | 5 km SW of Bremen, Kentucky | M2.6 | 149 km | 27 km |
| Mar 22, 1990 | 9 km E of Rochester, Kentucky | M2.6 | 118 km | 5 km |
| Dec 8, 1997 | 6 km NE of Murfreesboro, Tennessee | M2.6 | 35 km | 0 km |
| Jul 8, 2001 | 7 km SE of Franklin, Tennessee | M2.6 | 54 km | 0 km |
| Jan 8, 1995 | Kentucky | M2.6 | 140 km | 30 km |
| Sep 9, 2000 | 10 km NNW of Kimball, Tennessee | M2.6 | 131 km | 6 km |
| Mar 10, 2024 | 14 km W of Graysville, Tennessee | M2.6 | 129 km | 22 km |
| Feb 29, 2024 | 9 km NNW of Graysville, Tennessee | M2.6 | 133 km | 13 km |
| Jul 1, 2015 | 9 km S of Powells Crossroads, Tennessee | M2.6 | 144 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
538 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 126 fatalities, 1,676 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 3, 2020 | EF4 | 61 km | 8.4 mi | 19 |
| Apr 10, 2009 | EF4 | 67 km | 23.3 mi | 2 |
| Jan 24, 1997 | EF4 | 49 km | 6.5 mi | 0 |
| Dec 24, 1988 | EF4 | 59 km | 6.0 mi | 1 |
| Apr 3, 1974 | EF4 | 72 km | 28.4 mi | 10 |
| Apr 27, 1970 | EF4 | 76 km | 42.6 mi | 3 |
| May 8, 2024 | EF3 | 88 km | 11.5 mi | 1 |
| Dec 11, 2021 | EF3 | 96 km | 28.0 mi | 0 |
| Dec 11, 2021 | EF3 | 83 km | 29.3 mi | 16 |
| Mar 3, 2020 | EF3 | 55 km | 60.1 mi | 5 |
| Feb 6, 2008 | EF3 | 53 km | 9.4 mi | 4 |
| Feb 5, 2008 | EF3 | 20 km | 50.3 mi | 22 |
| Apr 7, 2006 | EF3 | 40 km | 22.7 mi | 7 |
| Apr 7, 2006 | EF3 | 84 km | 18.8 mi | 0 |
| May 11, 2003 | EF3 | 64 km | 1.0 mi | 0 |
| May 11, 2003 | EF3 | 28 km | 1.0 mi | 0 |
| May 4, 2003 | EF3 | 93 km | 11.5 mi | 0 |
| Apr 28, 2002 | EF3 | 50 km | 3.2 mi | 0 |
| Jan 22, 1999 | EF3 | 97 km | 4.3 mi | 0 |
| Apr 16, 1998 | EF3 | 82 km | 7.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: UNNAMED (1,236 acres, 2004).
| Year | Name | Acres Burned | Distance |
| 2004 | UNNAMED | 1,236 | 94 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 4.7 in | Coldest |
| February | 41°F (5°C) | 4.9 in | |
| March | 49°F (10°C) | 5.0 in | |
| April | 59°F (15°C) | 4.9 in | |
| May | 68°F (20°C) | 5.6 in | Wettest |
| June | 76°F (24°C) | 4.5 in | |
| July | 80°F (27°C) | 4.8 in | Warmest |
| August | 78°F (26°C) | 3.9 in | |
| September | 72°F (22°C) | 3.9 in | |
| October | 60°F (15°C) | 3.4 in | Driest |
| November | 49°F (9°C) | 3.7 in | |
| December | 41°F (5°C) | 5.2 in |
Lebanon has a seasonal temperature swing of 42°F / from 38°F in January to 80°F in July. Total annual precipitation is 54.5 inches, with May being the wettest month (5.6") and October the driest (3.4").