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Weather & Climate in Morristown, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Morristown enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 37°F in January while summers reach 77°F in July. The area gets 305 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 48.1 inches (wetter than the 38-inch national average). The area receives 8.8 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,322 feet.
Temperature
37°F Jan (3°C)
77°F Jul (25°C)
| Annual Average | 57.3°F |
| 6% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 1,322 ft (403 m) |
| Area | 27.4 sq mi (71.0 km²) |
| Population Density | 1,111/sq mi |
| Coordinates | 36.2044°N, 83.3000°W |
| Timezone | America/Chicago |
| County | Hamblen County County |
| Nearest Airport | Mc Ghee Tyson (TYS) 47 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 47.1 / 100 |
| Social Vulnerability | 66.1 / 100 |
| Community Resilience | 34.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
154 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Nov 10, 2012 | 6 km W of Blackey, Kentucky | M4.2 | 106 km | 17 km |
| May 10, 2025 | 21 km SE of Greenback, Tennessee | M4.1 | 96 km | 25 km |
| Aug 17, 1990 | 9 km NNW of Loyall, Kentucky | M4.0 | 82 km | 1 km |
| Jul 30, 1997 | 6 km NNE of Tazewell, Tennessee | M3.8 | 41 km | 23 km |
| Jan 20, 2020 | 2 km NE of Fincastle, Tennessee | M3.8 | 70 km | 35 km |
| Sep 17, 2004 | 8 km ESE of Corbin, Kentucky | M3.7 | 103 km | 1 km |
| Jul 5, 1995 | 12 km ESE of Tellico Plains, Tennessee | M3.7 | 124 km | 10 km |
| Jun 17, 1998 | 9 km SSE of Coalfield, Tennessee | M3.6 | 102 km | 11 km |
| Jun 16, 2006 | 9 km W of Maggie Valley, North Carolina | M3.4 | 78 km | 1 km |
| Feb 12, 1994 | 10 km NNW of Abingdon, Virginia | M3.4 | 134 km | 5 km |
| Mar 5, 2019 | 7 km NE of Maynardville, Tennessee | M3.4 | 40 km | 17 km |
| Apr 20, 2010 | 4 km SW of Maryville, Tennessee | M3.3 | 83 km | 2 km |
| Apr 11, 2006 | 5 km NE of Etowah, Tennessee | M3.3 | 142 km | 20 km |
| Aug 31, 2009 | 2 km NNE of Friendsville, Tennessee | M3.3 | 88 km | 14 km |
| Jun 4, 2023 | 4 km NNW of West Canton, North Carolina | M3.2 | 79 km | 0 km |
| Jan 27, 2009 | 4 km NE of Williamsburg, Kentucky | M3.2 | 98 km | 26 km |
| Jul 26, 2001 | 11 km S of New Market, Tennessee | M3.2 | 32 km | 17 km |
| Nov 8, 1990 | 5 km SW of Blackey, Kentucky | M3.2 | 103 km | 0 km |
| May 10, 2006 | 3 km WNW of Madisonville, Tennessee | M3.2 | 124 km | 25 km |
| Jul 26, 2001 | 11 km N of Sevierville, Tennessee | M3.2 | 34 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1989 | Hugo | Category 1 | — | 260 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
146 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 13 fatalities, 236 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 27, 2014 | EF3 | 67 km | 4.7 mi | 0 |
| Apr 27, 2011 | EF3 | 55 km | 13.6 mi | 2 |
| Apr 27, 2011 | EF3 | 48 km | 15.8 mi | 6 |
| Feb 21, 1993 | EF3 | 88 km | 16.0 mi | 0 |
| May 9, 1988 | EF3 | 60 km | 5.0 mi | 1 |
| Jul 10, 1980 | EF3 | 85 km | 1.9 mi | 0 |
| Mar 12, 1967 | EF3 | 90 km | 2.0 mi | 0 |
| Aug 7, 2023 | EF2 | 83 km | 3.7 mi | 0 |
| Apr 8, 2021 | EF2 | 98 km | 1.8 mi | 0 |
| Apr 8, 2021 | EF2 | 100 km | 1.3 mi | 0 |
| Mar 2, 2012 | EF2 | 54 km | 2.6 mi | 0 |
| Apr 27, 2011 | EF2 | 55 km | 8.8 mi | 0 |
| May 8, 2009 | EF2 | 38 km | 2.2 mi | 0 |
| Nov 10, 2002 | EF2 | 81 km | 5.5 mi | 0 |
| Jul 6, 1980 | EF2 | 42 km | 11.5 mi | 0 |
| Jun 28, 1976 | EF2 | 99 km | 0.2 mi | 0 |
| Feb 18, 1976 | EF2 | 29 km | 1.0 mi | 0 |
| Apr 3, 1974 | EF2 | 98 km | 0.1 mi | 0 |
| Apr 3, 1974 | EF2 | 73 km | 0.5 mi | 0 |
| Apr 22, 1967 | EF2 | 56 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (15,138 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | UNNAMED | 15,138 | 79 km |
| 2016 | CHIMNEY TOPS 2 | 14,998 | 60 km |
| 1987 | UNNAMED | 11,817 | 95 km |
| 1987 | UNNAMED | 11,663 | 97 km |
| 2016 | STINKING CREEK | 10,768 | 85 km |
| 1987 | UNNAMED | 10,327 | 67 km |
| 1987 | UNNAMED | 9,084 | 86 km |
| 2000 | UNNAMED | 8,064 | 90 km |
| 2001 | UNNAMED | 7,907 | 77 km |
| 2001 | COOL SPRINGS | 7,477 | 99 km |
| 2016 | LITTLE SHEPHERD TRAIL | 6,751 | 85 km |
| 2000 | UNNAMED | 6,590 | 78 km |
| 2016 | SILVER MINE | 6,082 | 56 km |
| 1987 | UNNAMED | 6,067 | 69 km |
| 2001 | SHARP | 6,039 | 79 km |
| 1987 | UNNAMED | 5,973 | 90 km |
| 1987 | UNNAMED | 5,679 | 78 km |
| 2000 | UNNAMED | 5,371 | 96 km |
| 1991 | OTTER | 4,923 | 95 km |
| 1987 | UNNAMED | 4,400 | 84 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 3.9 in | Coldest |
| February | 39°F (4°C) | 3.7 in | |
| March | 47°F (8°C) | 4.5 in | |
| April | 55°F (13°C) | 3.8 in | |
| May | 64°F (18°C) | 4.7 in | Wettest |
| June | 72°F (22°C) | 3.9 in | |
| July | 77°F (25°C) | 4.5 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 69°F (21°C) | 3.2 in | |
| October | 58°F (14°C) | 2.7 in | Driest |
| November | 47°F (9°C) | 3.5 in | |
| December | 39°F (4°C) | 3.9 in |
Morristown has a seasonal temperature swing of 40°F / from 37°F in January to 77°F in July. Total annual precipitation is 46.1 inches, with May being the wettest month (4.7") and October the driest (2.7").