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Weather & Climate in Jamestown, TN
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jamestown experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 74°F in July. The area gets 299 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 59.2 inches (wetter than the 38-inch national average). The area receives 18.9 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 1,725 feet.
Temperature
35°F Jan (2°C)
74°F Jul (23°C)
| Annual Average | 55.2°F |
| 2% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 1,725 ft (526 m) |
| Area | 3.1 sq mi (8.1 km²) |
| Population Density | 691/sq mi |
| Coordinates | 36.4310°N, 84.9327°W |
| Timezone | America/Chicago |
| County | Fentress County County |
| Nearest Airport | Lake Cumberland Regional (SME) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.4 / 100 |
| Social Vulnerability | 87.3 / 100 |
| Community Resilience | 18.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
143 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| May 10, 2025 | 21 km SE of Greenback, Tennessee | M4.1 | 130 km | 25 km |
| Aug 17, 1990 | 9 km NNW of Loyall, Kentucky | M4.0 | 149 km | 1 km |
| Jul 30, 1997 | 6 km NNE of Tazewell, Tennessee | M3.8 | 124 km | 23 km |
| Jan 20, 2020 | 2 km NE of Fincastle, Tennessee | M3.8 | 81 km | 35 km |
| Sep 17, 2004 | 8 km ESE of Corbin, Kentucky | M3.7 | 100 km | 1 km |
| Jul 5, 1995 | 12 km ESE of Tellico Plains, Tennessee | M3.7 | 140 km | 10 km |
| Jun 17, 1998 | 9 km SSE of Coalfield, Tennessee | M3.6 | 73 km | 11 km |
| Jun 19, 2007 | 10 km ENE of Spencer, Tennessee | M3.5 | 81 km | 1 km |
| Mar 5, 2019 | 7 km NE of Maynardville, Tennessee | M3.4 | 108 km | 17 km |
| Aug 31, 2009 | 2 km NNE of Friendsville, Tennessee | M3.3 | 103 km | 14 km |
| Apr 11, 2006 | 5 km NE of Etowah, Tennessee | M3.3 | 126 km | 20 km |
| Mar 18, 1995 | 10 km SE of Dayton, Tennessee | M3.3 | 112 km | 26 km |
| Apr 20, 2010 | 4 km SW of Maryville, Tennessee | M3.3 | 115 km | 2 km |
| May 10, 2006 | 3 km WNW of Madisonville, Tennessee | M3.2 | 111 km | 25 km |
| Mar 7, 2001 | 6 km NW of Decatur, Tennessee | M3.2 | 98 km | 7 km |
| Mar 7, 2001 | 5 km WNW of Decatur, Tennessee | M3.2 | 101 km | 18 km |
| Jan 27, 2009 | 4 km NE of Williamsburg, Kentucky | M3.2 | 81 km | 26 km |
| Jul 26, 2001 | 11 km S of New Market, Tennessee | M3.2 | 133 km | 17 km |
| Jul 26, 2001 | 11 km N of Sevierville, Tennessee | M3.2 | 134 km | 14 km |
| Apr 29, 2018 | 10 km WSW of Bean Station, Tennessee | M3.1 | 139 km | 21 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
279 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 97 fatalities, 1,156 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 3, 2020 | EF4 | 72 km | 8.4 mi | 19 |
| Apr 3, 1974 | EF4 | 17 km | 11.0 mi | 5 |
| Apr 3, 1974 | EF4 | 26 km | 16.1 mi | 0 |
| Apr 3, 1974 | EF4 | 24 km | 18.8 mi | 7 |
| Apr 3, 1974 | EF4 | 46 km | 38.4 mi | 10 |
| Apr 3, 1974 | EF4 | 73 km | 28.4 mi | 10 |
| Apr 3, 1974 | EF4 | 100 km | 20.2 mi | 0 |
| Apr 27, 1971 | EF4 | 73 km | 13.0 mi | 2 |
| Apr 27, 1971 | EF4 | 92 km | 14.1 mi | 6 |
| Jul 27, 2014 | EF3 | 86 km | 4.7 mi | 0 |
| Nov 10, 2002 | EF3 | 61 km | 12.2 mi | 4 |
| Nov 10, 2002 | EF3 | 54 km | 8.3 mi | 7 |
| Apr 16, 1998 | EF3 | 25 km | 8.6 mi | 0 |
| Apr 16, 1998 | EF3 | 89 km | 20.0 mi | 0 |
| Mar 28, 1997 | EF3 | 86 km | 15.0 mi | 0 |
| May 18, 1995 | EF3 | 74 km | 9.0 mi | 0 |
| Feb 21, 1993 | EF3 | 67 km | 10.0 mi | 0 |
| Feb 21, 1993 | EF3 | 76 km | 16.0 mi | 0 |
| Feb 21, 1993 | EF3 | 81 km | 30.0 mi | 1 |
| Apr 20, 1986 | EF3 | 59 km | 3.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (11,663 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | UNNAMED | 11,663 | 54 km |
| 2016 | STINKING CREEK | 10,768 | 66 km |
| 1987 | UNNAMED | 10,327 | 86 km |
| 2000 | UNNAMED | 8,064 | 59 km |
| 2000 | UNNAMED | 6,590 | 88 km |
| 1987 | K-T FIRE | 6,372 | 54 km |
| 1987 | UNNAMED | 6,067 | 97 km |
| 1987 | UNNAMED | 5,973 | 59 km |
| 2000 | UNNAMED | 5,371 | 58 km |
| 2003 | UNNAMED | 4,675 | 58 km |
| 2001 | UNNAMED | 4,635 | 18 km |
| 1987 | UNNAMED | 4,400 | 89 km |
| 1987 | UNNAMED | 4,337 | 96 km |
| 1987 | UNNAMED | 4,194 | 80 km |
| 2013 | UNNAMED | 3,940 | 58 km |
| 1987 | UNNAMED | 3,907 | 82 km |
| 1987 | UNNAMED | 3,854 | 52 km |
| 2009 | GOBBLERS KNOB B | 3,851 | 24 km |
| 2021 | UNNAMED | 3,571 | 57 km |
| 2000 | UNNAMED | 3,539 | 69 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 4.5 in | Coldest |
| February | 38°F (3°C) | 4.3 in | |
| March | 47°F (8°C) | 5.4 in | Wettest |
| April | 55°F (13°C) | 4.4 in | |
| May | 63°F (17°C) | 5.2 in | |
| June | 70°F (21°C) | 4.7 in | |
| July | 74°F (23°C) | 5.3 in | Warmest |
| August | 73°F (23°C) | 4.2 in | |
| September | 67°F (20°C) | 4.1 in | |
| October | 56°F (13°C) | 3.4 in | Driest |
| November | 47°F (8°C) | 4.5 in | |
| December | 38°F (3°C) | 4.8 in |
Jamestown has a seasonal temperature swing of 39°F / from 35°F in January to 74°F in July. Total annual precipitation is 54.7 inches, with March being the wettest month (5.4") and October the driest (3.4").