Weather & Climate in Hornsby, TN

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

Hornsby enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 39°F in January while summers reach 79°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 56.1 inches (wetter than the 38-inch national average). The area receives 1.7 inches of snow annually. Air quality is rated Good with a median AQI of 40. The city sits at an elevation of 383 feet.

Temperature

39°F Jan (4°C) 79°F Jul (26°C)

Annual Average	59.6°F
	10% above US avg
January Average	39°F (4°C)
July Average	79°F (26°C)
Sunny Days	301 days/yr

Geography

Elevation	383 ft (117 m)
Area	1.1 sq mi (2.7 km²)
Population Density	248/sq mi
Coordinates	35.2287°N, 88.8296°W
Timezone	America/Chicago
County	Hardeman County County
Nearest Airport	Mc Kellar-Sipes Regional (MKL) 26 miles away

Precipitation & Snow

Annual Rainfall 56.1"

48% above US avg

Snowfall 1.7"

Wettest Month (Mar) 5.75"

Driest Month (Aug) 3.11"

Air Quality

AQI Median	40.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	63.0 / 100
Social Vulnerability	93.4 / 100
Community Resilience	39.7 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Hurricane	Relatively Low
Earthquake	Relatively Moderate
Wildfire	Very Low
Flood	Very Low
Hail	Very Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Very Low
Lightning	Relatively Low
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

205 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.

May 1, 2005	5 km SSE of Manila, Arkansas	M4.2	137 km	10 km
Feb 10, 2005	3 km NNW of Etowah, Arkansas	M4.1	142 km	15 km
Jun 2, 2005	12 km S of Ridgely, Tennessee	M4.0	118 km	15 km
Apr 30, 2003	1 km N of Blytheville, Arkansas	M4.0	127 km	24 km
Nov 29, 1996	1 km W of Blytheville, Arkansas	M3.8	127 km	19 km
May 16, 2024	6 km S of Ridgely, Tennessee	M3.8	123 km	8 km
Apr 24, 2019	12 km NNW of Dyersburg, Tennessee	M3.7	115 km	14 km
Jan 16, 2018	4 km SW of Caruthersville, Missouri	M3.6	130 km	9 km
Oct 15, 2017	6 km SE of Manila, Arkansas	M3.6	135 km	17 km
Apr 2, 2015	1 km WNW of Cooter, Missouri	M3.6	128 km	10 km
Aug 25, 2015	9 km W of Henning, Tennessee	M3.5	91 km	13 km
Jan 8, 1993	6 km WSW of Gosnell, Arkansas	M3.5	134 km	22 km
Nov 6, 2009	6 km NNW of Dyersburg, Tennessee	M3.4	109 km	9 km
Aug 29, 1990	9 km WSW of Central, Tennessee	M3.4	96 km	15 km
Apr 28, 1993	8 km SSE of Ridgely, Tennessee	M3.4	121 km	7 km
Jun 17, 2012	6 km NW of Tiptonville, Tennessee	M3.3	146 km	8 km
Aug 12, 2013	7 km S of Hornbeak, Tennessee	M3.3	122 km	4 km
May 31, 2022	12 km SE of Ridgely, Tennessee	M3.2	117 km	11 km
Apr 23, 1994	7 km W of Gosnell, Arkansas	M3.2	137 km	5 km
Aug 19, 1994	9 km WSW of Gilt Edge, Tennessee	M3.2	104 km	11 km

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

Tornado History

446 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 174 fatalities, 1,464 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 16, 1998	EF5	74 km	69.4 mi	3
Feb 5, 2008	EF4	49 km	16.2 mi	3
Feb 5, 2008	EF4	50 km	7.6 mi	0
May 4, 2003	EF4	37 km	39.0 mi	11
May 5, 1999	EF4	91 km	6.0 mi	3
Jan 17, 1999	EF4	39 km	16.0 mi	6
May 7, 1971	EF4	94 km	50.9 mi	3
Apr 19, 1970	EF4	59 km	47.6 mi	4
Apr 3, 1956	EF4	51 km	11.6 mi	3
Mar 21, 1952	EF4	94 km	4.7 mi	2
Mar 21, 1952	EF4	87 km	29.6 mi	16
Mar 21, 1952	EF4	14 km	46.8 mi	38
Mar 31, 2023	EF3	95 km	39.2 mi	1
Mar 31, 2023	EF3	8 km	86.0 mi	9
Dec 23, 2015	EF3	79 km	48.4 mi	0
May 2, 2010	EF3	58 km	29.6 mi	3
Feb 5, 2008	EF3	52 km	31.1 mi	3
Apr 2, 2006	EF3	95 km	31.0 mi	6
May 4, 2003	EF3	29 km	21.0 mi	0
Jan 17, 1999	EF3	38 km	22.0 mi	0

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

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1811	AR: NE - NEW MADRID EARTHQUAKES	Eruption + Earthquake	—	—	148 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: C-55 CHILLI LAKE (3,555 acres, 2014).

Year	Name	Acres Burned	Distance
2014	C-55 CHILLI LAKE	3,555	68 km
2017	UNNAMED	3,152	70 km
2014	C-39 EAST CHEWALLA	3,107	70 km
2017	UNNAMED	3,031	68 km
2022	HOLLY SPRINGS BB 119/90/88	2,955	98 km
2013	UNNAMED	2,848	73 km
2014	C-84 BAGLEY BOTTOMS	2,766	99 km
2013	MIDWAY CEM PRESCRIBED BURN	2,513	96 km
2017	UNNAMED	2,248	82 km
2022	HOLLY SPRINGS BB 51/52/53	2,182	66 km
2010	COMP 42	2,142	74 km
2017	UNNAMED	2,073	98 km
2022	HOLLY SPRINGS BB10 11 12 14	1,977	45 km
2016	UNNAMED	1,972	81 km
2016	UNNAMED	1,785	73 km
2011	HOLLY SPRINGS RX	1,780	69 km
2018	UNNAMED	1,668	82 km
2024	HSRD 47 1 2 RX	1,634	64 km
2015	BURN BLOCK 58 PISGAH RD	1,464	74 km
1996	UNNAMED	1,363	98 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	39°F (4°C)	4.3 in	Coldest
February	42°F (6°C)	4.5 in
March	51°F (11°C)	5.8 in	Wettest
April	59°F (15°C)	5.2 in
May	67°F (20°C)	5.6 in
June	75°F (24°C)	3.9 in
July	79°F (26°C)	4.3 in	Warmest
August	78°F (25°C)	3.1 in	Driest
September	71°F (22°C)	4.0 in
October	60°F (16°C)	3.3 in
November	50°F (10°C)	5.3 in
December	42°F (5°C)	5.6 in

Hornsby has a seasonal temperature swing of 41°F / from 39°F in January to 79°F in July. Total annual precipitation is 55.0 inches, with March being the wettest month (5.8") and August the driest (3.1").

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