Weather & Climate in Winchester, TN

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Winchester enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 40°F in January while summers reach 78°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 57.7 inches (wetter than the 38-inch national average). The area receives 4.1 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 897 feet.

Temperature

40°F Jan (4°C) 78°F Jul (25°C)

Annual Average	59.2°F
	10% above US avg
January Average	40°F (4°C)
July Average	78°F (25°C)
Sunny Days	301 days/yr

Geography

Elevation	897 ft (273 m)
Area	11.3 sq mi (29.4 km²)
Population Density	847/sq mi
Coordinates	35.1891°N, 86.1049°W
Timezone	America/Chicago
County	Franklin County County
Nearest Airport	Tullahoma Regional/Wm Northern Field (THA) 15 miles away

Precipitation & Snow

Annual Rainfall 57.7"

52% above US avg

Snowfall 4.1"

Wettest Month (Mar) 6.54"

Driest Month (Aug) 3.66"

Air Quality

AQI Median	40.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	57.5 / 100
Social Vulnerability	38.0 / 100
Community Resilience	39.8 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Hurricane	Very Low
Earthquake	Relatively Low
Wildfire	Very Low
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Relatively Low
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Ice Storm	Relatively Low
Drought	Relatively Moderate
Cold Wave	Relatively Moderate
Landslide	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

110 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

Apr 29, 2003	8 km S of Valley Head, Alabama	M4.6	89 km	20 km
Dec 8, 2001	5 km SW of Pleasant Groves, Alabama	M3.9	55 km	0 km
Jun 19, 2007	10 km ENE of Spencer, Tennessee	M3.5	95 km	1 km
Jul 19, 1997	12 km E of Cohutta, Georgia	M3.5	121 km	3 km
Apr 11, 2006	5 km NE of Etowah, Tennessee	M3.3	149 km	20 km
Mar 18, 1995	10 km SE of Dayton, Tennessee	M3.3	109 km	26 km
Apr 5, 1994	10 km N of Trenton, Georgia	M3.2	61 km	24 km
Mar 7, 2001	5 km WNW of Decatur, Tennessee	M3.2	121 km	18 km
May 6, 2010	11 km ENE of Whitesboro, Alabama	M3.2	112 km	5 km
Mar 21, 2001	7 km ESE of Trenton, Georgia	M3.2	72 km	0 km
Mar 7, 2001	6 km NW of Decatur, Tennessee	M3.2	121 km	7 km
May 10, 2020	7 km SSE of Sewanee, Tennessee	M3.1	20 km	8 km
Apr 29, 2003	7 km E of Fort Payne, Alabama	M3.1	93 km	3 km
Oct 30, 1991	9 km NNE of Eton, Georgia	M3.1	131 km	8 km
Jun 23, 2008	10 km ESE of Cohutta, Georgia	M3.1	119 km	9 km
May 2, 2003	8 km S of Valley Head, Alabama	M3.1	90 km	15 km
Jan 15, 1993	1 km N of Apison, Tennessee	M3.1	100 km	8 km
Nov 1, 2009	1 km ESE of South Cleveland, Tennessee	M3.0	114 km	25 km
May 4, 1994	2 km NNW of Addison, Alabama	M3.0	147 km	19 km
May 4, 1994	12 km NNW of Addison, Alabama	M3.0	144 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

565 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 139 fatalities, 2,116 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 27, 2011	EF5	90 km	36.6 mi	25
Apr 27, 2011	EF4	47 km	30.2 mi	1
Apr 27, 2011	EF4	91 km	48.0 mi	20
Apr 27, 2011	EF4	64 km	40.2 mi	4
Apr 27, 2011	EF4	64 km	47.0 mi	14
Apr 10, 2009	EF4	92 km	23.3 mi	2
Feb 6, 2008	EF4	63 km	10.9 mi	1
Jan 24, 1997	EF4	75 km	6.5 mi	0
May 18, 1995	EF4	93 km	39.0 mi	1
Nov 15, 1989	EF4	78 km	18.5 mi	21
Apr 3, 1974	EF4	42 km	27.5 mi	11
May 19, 1973	EF4	86 km	5.4 mi	0
Feb 29, 1952	EF4	43 km	2.0 mi	2
Feb 13, 1952	EF4	18 km	12.7 mi	3
May 8, 2024	EF3	94 km	11.5 mi	1
May 8, 2024	EF3	65 km	12.3 mi	0
Apr 1, 2023	EF3	49 km	12.0 mi	1
Apr 12, 2020	EF3	82 km	19.3 mi	2
Nov 30, 2016	EF3	63 km	13.5 mi	4
Apr 28, 2014	EF3	45 km	26.8 mi	2

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,213 acres, 2001).

Year	Name	Acres Burned	Distance
2001	UNNAMED	4,213	57 km
1987	STATEC0045	2,669	95 km
1999	UNNAMED	2,638	60 km
2006	UNNAMED	2,405	95 km
2007	WILDCAT BRANCH WFIRE	2,285	98 km
2016	BRIDGE CREEK ROAD	1,777	50 km
2014	SOUTH EAST COMPLEX	1,753	98 km
2016	BENCH BLUFF	1,715	90 km
2001	UNNAMED	1,691	46 km
2006	RD07-09	1,394	95 km
2004	UNNAMED	1,271	12 km
2001	UNNAMED	1,250	81 km
2004	UNNAMED	1,236	67 km
2001	UNNAMED	1,210	58 km
1999	UNNAMED	1,201	64 km
2001	UNNAMED	1,173	62 km
2009	LOWER FORD RD	1,108	72 km
2009	2009 RDS 10-06 BOUNDARY RX	1,057	97 km
2001	UNNAMED	1,057	70 km
2016	FOX MOUNTAIN FIRE	1,008	70 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	40°F (4°C)	5.3 in	Coldest
February	41°F (5°C)	4.9 in
March	49°F (10°C)	6.5 in	Wettest
April	58°F (14°C)	5.0 in
May	66°F (19°C)	5.2 in
June	73°F (23°C)	4.3 in
July	78°F (25°C)	5.0 in	Warmest
August	76°F (24°C)	3.7 in	Driest
September	70°F (21°C)	4.3 in
October	59°F (15°C)	3.9 in
November	49°F (10°C)	5.2 in
December	41°F (5°C)	5.8 in

Winchester has a seasonal temperature swing of 38°F / from 40°F in January to 78°F in July. Total annual precipitation is 59.0 inches, with March being the wettest month (6.5") and August the driest (3.7").

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