Grimsley, TN

Full City Profile · Tennessee · Fentress County County

2.4 /5.0
C Fair
940 Population 86/sq mi density
$56,458 Median Income $18,307 per capita
56°F Avg Temperature
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$56,458 median income, 14.5% unemployment
D
Education
1.8 / 5.0
10.4% bachelor's degree or higher
Grimsley enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 36°F in January while summers reach 74°F in July. Annual precipitation totals 59.8 inches. The area receives 13.2 inches of snow annually.

Temperature

36°F Jan (2°C) 74°F Jul (23°C)
Annual Average55.5°F
3% above US avg
January Average36°F (2°C)
July Average74°F (23°C)

Geography

Elevation1,729 ft (527 m)
Area10.9 sq mi (28.2 km²)
Population Density86/sq mi
Coordinates36.2761°N, 84.9969°W
TimezoneAmerica/Chicago
CountyFentress County County
Nearest AirportLake Cumberland Regional (SME)
58 miles away

Precipitation & Snow

Annual Rainfall 59.8"
57% above US avg
Snowfall 13.2"
Wettest Month (Mar) 5.75"
Driest Month (Oct) 3.17"

Air Quality

Natural Hazard Risk

Overall RiskVery Low
Risk Score28.4 / 100
Social Vulnerability87.3 / 100
Community Resilience18.8 / 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

158 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M2.5 on Aug 19, 2025.

May 10, 2025 21 km SE of Greenback, Tennessee M4.1 122 km
Jul 30, 1997 6 km NNE of Tazewell, Tennessee M3.8 132 km
Jan 20, 2020 2 km NE of Fincastle, Tennessee M3.8 89 km
Sep 17, 2004 8 km ESE of Corbin, Kentucky M3.7 115 km
Jul 5, 1995 12 km ESE of Tellico Plains, Tennessee M3.7 129 km
Jun 17, 1998 9 km SSE of Coalfield, Tennessee M3.6 66 km
Jul 19, 1997 12 km E of Cohutta, Georgia M3.5 148 km
Jun 19, 2007 10 km ENE of Spencer, Tennessee M3.5 63 km
Mar 5, 2019 7 km NE of Maynardville, Tennessee M3.4 113 km
Apr 20, 2010 4 km SW of Maryville, Tennessee M3.3 109 km
Apr 11, 2006 5 km NE of Etowah, Tennessee M3.3 112 km
Aug 31, 2009 2 km NNE of Friendsville, Tennessee M3.3 96 km
Mar 18, 1995 10 km SE of Dayton, Tennessee M3.3 95 km
Jan 27, 2009 4 km NE of Williamsburg, Kentucky M3.2 95 km
Aug 1, 2009 8 km ENE of Ducktown, Tennessee M3.2 149 km
Jul 26, 2001 11 km N of Sevierville, Tennessee M3.2 134 km
Mar 7, 2001 5 km WNW of Decatur, Tennessee M3.2 84 km
Mar 7, 2001 6 km NW of Decatur, Tennessee M3.2 82 km
Jul 26, 2001 11 km S of New Market, Tennessee M3.2 133 km
May 10, 2006 3 km WNW of Madisonville, Tennessee M3.2 99 km
Source: USGS (M2.5+, 1990-2025)

Tornado History

277 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 93 fatalities, 1,026 injuries.

Date Rating Distance Fatalities
Mar 3, 2020 EF4 61 km 19
Apr 3, 1974 EF4 28 km 5
Apr 3, 1974 EF4 58 km 10
Apr 3, 1974 EF4 53 km 10
Apr 3, 1974 EF4 44 km 0
Apr 3, 1974 EF4 8 km 7
Apr 27, 1971 EF4 90 km 2
May 2, 1953 EF4 86 km 4
Jul 27, 2014 EF3 94 km 0
Mar 23, 2011 EF3 97 km 0
Nov 10, 2002 EF3 43 km 4
Nov 10, 2002 EF3 45 km 7
Apr 16, 1998 EF3 33 km 0
Mar 28, 1997 EF3 93 km 0
May 18, 1995 EF3 56 km 0
Feb 21, 1993 EF3 72 km 1
Feb 21, 1993 EF3 73 km 0
Feb 21, 1993 EF3 55 km 0
Apr 20, 1986 EF3 70 km 0
Apr 8, 1974 EF3 100 km 0
Source: NOAA SPC (EF0+, 1950-2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: UNNAMED (11,663 ac, 1987).

Year Name Acres Distance
1987 UNNAMED 11,663 55 km
2016 STINKING CREEK 10,768 74 km
1987 UNNAMED 10,327 95 km
2000 UNNAMED 8,064 63 km
2000 UNNAMED 6,590 99 km
1987 K-T FIRE 6,372 67 km
1987 UNNAMED 5,973 67 km
2000 UNNAMED 5,371 57 km
2003 UNNAMED 4,675 45 km
2001 UNNAMED 4,635 16 km
1987 UNNAMED 4,194 89 km
2013 UNNAMED 3,940 74 km
1987 UNNAMED 3,907 92 km
1987 UNNAMED 3,854 58 km
2009 GOBBLERS KNOB B 3,851 41 km
2021 UNNAMED 3,571 72 km
2000 UNNAMED 3,539 54 km
2021 UNNAMED 3,258 93 km
2016 WHITE OAK CIRCLE 3,182 38 km
2000 UNNAMED 3,123 87 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 36°F (2°C) 4.9 in Coldest
February 39°F (4°C) 5.0 in
March 47°F (8°C) 5.8 in Wettest
April 56°F (13°C) 5.4 in
May 63°F (17°C) 5.2 in
June 70°F (21°C) 5.6 in
July 74°F (23°C) 5.7 in Warmest
August 73°F (23°C) 4.7 in
September 67°F (20°C) 4.0 in
October 57°F (14°C) 3.2 in Driest
November 46°F (8°C) 4.7 in
December 39°F (4°C) 5.7 in

Grimsley has a seasonal temperature swing of 38°F / from 36°F in January to 74°F in July. Total annual precipitation is 59.8 inches, with March being the wettest month (5.8") and October the driest (3.2").

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