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Weather & Climate in Smithville, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Smithville enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 36°F in January while summers reach 77°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 57.0 inches (wetter than the 38-inch national average). The area receives 3.1 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,061 feet.
Temperature
36°F Jan (2°C)
77°F Jul (25°C)
| Annual Average | 56.9°F |
| 5% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 1,061 ft (323 m) |
| Area | 5.9 sq mi (15.3 km²) |
| Population Density | 876/sq mi |
| Coordinates | 35.9584°N, 85.8211°W |
| Timezone | America/Chicago |
| County | DeKalb County County |
| Nearest Airport | Tullahoma Regional/Wm Northern Field (THA) 47 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 25.5 / 100 |
| Social Vulnerability | 54.1 / 100 |
| Community Resilience | 30.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
98 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Dec 8, 2001 | 5 km SW of Pleasant Groves, Alabama | M3.9 | 144 km | 0 km |
| Jun 17, 1998 | 9 km SSE of Coalfield, Tennessee | M3.6 | 129 km | 11 km |
| Jun 19, 2007 | 10 km ENE of Spencer, Tennessee | M3.5 | 45 km | 1 km |
| Jul 19, 1997 | 12 km E of Cohutta, Georgia | M3.5 | 145 km | 3 km |
| Apr 11, 2006 | 5 km NE of Etowah, Tennessee | M3.3 | 138 km | 20 km |
| Mar 18, 1995 | 10 km SE of Dayton, Tennessee | M3.3 | 99 km | 26 km |
| Mar 21, 2001 | 7 km ESE of Trenton, Georgia | M3.2 | 128 km | 0 km |
| May 10, 2006 | 3 km WNW of Madisonville, Tennessee | M3.2 | 137 km | 25 km |
| Mar 7, 2001 | 5 km WNW of Decatur, Tennessee | M3.2 | 100 km | 18 km |
| Apr 5, 1994 | 10 km N of Trenton, Georgia | M3.2 | 114 km | 24 km |
| Mar 7, 2001 | 6 km NW of Decatur, Tennessee | M3.2 | 99 km | 7 km |
| May 10, 2020 | 7 km SSE of Sewanee, Tennessee | M3.1 | 91 km | 8 km |
| Jun 23, 2008 | 10 km ESE of Cohutta, Georgia | M3.1 | 145 km | 9 km |
| Jan 15, 1993 | 1 km N of Apison, Tennessee | M3.1 | 125 km | 8 km |
| Nov 1, 2009 | 1 km ESE of South Cleveland, Tennessee | M3.0 | 127 km | 25 km |
| Jan 21, 2022 | 16 km NNE of Eton, Georgia | M2.9 | 149 km | 15 km |
| Jul 28, 1990 | 3 km WNW of Varnell, Georgia | M2.9 | 137 km | 14 km |
| Aug 7, 2006 | 8 km NNE of Trenton, Georgia | M2.9 | 118 km | 14 km |
| Mar 20, 2000 | 7 km WSW of Linwood, Georgia | M2.8 | 148 km | 4 km |
| Jun 8, 2014 | 8 km WNW of Dayton, Tennessee | M2.8 | 81 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
467 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 129 fatalities, 1,507 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 3, 2020 | EF4 | 28 km | 8.4 mi | 19 |
| Apr 27, 2011 | EF4 | 78 km | 40.2 mi | 4 |
| Apr 10, 2009 | EF4 | 95 km | 23.3 mi | 2 |
| Jan 24, 1997 | EF4 | 64 km | 6.5 mi | 0 |
| Dec 24, 1988 | EF4 | 97 km | 6.0 mi | 1 |
| Apr 3, 1974 | EF4 | 87 km | 38.4 mi | 10 |
| Apr 3, 1974 | EF4 | 74 km | 18.8 mi | 7 |
| Apr 3, 1974 | EF4 | 24 km | 28.4 mi | 10 |
| Apr 3, 1974 | EF4 | 91 km | 11.0 mi | 5 |
| Feb 13, 1952 | EF4 | 95 km | 12.7 mi | 3 |
| Feb 6, 2008 | EF3 | 80 km | 9.4 mi | 4 |
| Feb 5, 2008 | EF3 | 66 km | 50.3 mi | 22 |
| Apr 7, 2006 | EF3 | 94 km | 22.7 mi | 7 |
| May 11, 2003 | EF3 | 52 km | 1.0 mi | 0 |
| Nov 10, 2002 | EF3 | 65 km | 12.2 mi | 4 |
| Apr 28, 2002 | EF3 | 55 km | 3.2 mi | 0 |
| Apr 16, 1998 | EF3 | 100 km | 42.1 mi | 1 |
| Apr 16, 1998 | EF3 | 86 km | 8.6 mi | 0 |
| May 18, 1995 | EF3 | 59 km | 9.0 mi | 0 |
| Feb 21, 1993 | EF3 | 31 km | 10.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,675 acres, 2003).
| Year | Name | Acres Burned | Distance |
| 2003 | UNNAMED | 4,675 | 96 km |
| 2001 | UNNAMED | 4,635 | 78 km |
| 2001 | UNNAMED | 4,213 | 80 km |
| 2000 | UNNAMED | 3,539 | 98 km |
| 1999 | UNNAMED | 2,638 | 55 km |
| 2000 | UNNAMED | 2,355 | 99 km |
| 2001 | UNNAMED | 2,084 | 68 km |
| 2016 | BRIDGE CREEK ROAD | 1,777 | 83 km |
| 2016 | BENCH BLUFF | 1,715 | 66 km |
| 2001 | UNNAMED | 1,691 | 74 km |
| 2003 | UNNAMED | 1,635 | 49 km |
| 2001 | UNNAMED | 1,491 | 86 km |
| 2001 | UNNAMED | 1,301 | 96 km |
| 2003 | UNNAMED | 1,259 | 85 km |
| 2001 | UNNAMED | 1,250 | 68 km |
| 2003 | UNNAMED | 1,247 | 90 km |
| 2004 | UNNAMED | 1,236 | 43 km |
| 2001 | UNNAMED | 1,210 | 68 km |
| 1999 | UNNAMED | 1,201 | 61 km |
| 2009 | LOWER FORD RD | 1,108 | 50 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 4.6 in | Coldest |
| February | 40°F (4°C) | 4.4 in | |
| March | 48°F (9°C) | 5.9 in | Wettest |
| April | 57°F (14°C) | 4.6 in | |
| May | 65°F (18°C) | 5.2 in | |
| June | 73°F (23°C) | 4.2 in | |
| July | 77°F (25°C) | 5.0 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 70°F (21°C) | 4.1 in | |
| October | 58°F (15°C) | 3.5 in | Driest |
| November | 49°F (9°C) | 4.8 in | |
| December | 41°F (5°C) | 5.4 in |
Smithville has a seasonal temperature swing of 40°F / from 36°F in January to 77°F in July. Total annual precipitation is 55.5 inches, with March being the wettest month (5.9") and October the driest (3.5").