Weather & Climate in Garrison, KY

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

Garrison experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 33°F in January while summers reach 74°F in July. The area gets 293 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 48.2 inches (wetter than the 38-inch national average). The area receives 20.8 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 525 feet.

Temperature

33°F Jan (1°C) 74°F Jul (24°C)

Annual Average	54.5°F
	1% above US avg
January Average	33°F (1°C)
July Average	74°F (24°C)
Sunny Days	293 days/yr

Geography

Elevation	525 ft (160 m)
Area	2.8 sq mi (7.1 km²)
Population Density	277/sq mi
Coordinates	38.6067°N, 83.1819°W
Timezone	America/New_York
County	Lewis County County
Nearest Airport	Greater Portsmouth Regional (PMH) 24 miles away

Precipitation & Snow

Annual Rainfall 48.2"

27% above US avg

Snowfall 20.8"

Wettest Month (Jul) 4.61"

Driest Month (Oct) 2.83"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	41.5 / 100
Social Vulnerability	74.0 / 100
Community Resilience	7.6 / 100

Hazard Breakdown

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

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

Earthquake History

21 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.

Feb 19, 1995	8 km SSE of Rocky Fork Point, Ohio	M3.6	62 km	10 km
Nov 20, 2013	2 km SW of Buchtel, Ohio	M3.5	126 km	8 km
Apr 24, 2009	7 km ENE of Rio Grande, Ohio	M3.4	83 km	8 km
May 24, 2017	1 km S of McArthur, Ohio	M3.4	92 km	10 km
Sep 8, 1990	5 km N of Owingsville, Kentucky	M3.3	69 km	0 km
Feb 3, 2025	2 km NNW of Oak Hill, Ohio	M3.1	63 km	26 km
Apr 25, 2020	2 km SE of South Shore, Kentucky	M2.9	24 km	27 km
May 6, 2002	3 km SE of Racine, Ohio	M2.8	118 km	5 km
Mar 17, 1999	2 km NNE of Ripley, Ohio	M2.8	59 km	0 km
May 11, 2015	5 km ESE of Maysville, Kentucky	M2.6	44 km	11 km
Jun 6, 2014	13 km NNE of Sissonville, West Virginia	M2.6	139 km	30 km
Mar 16, 2012	7 km SE of Alum Creek, West Virginia	M2.6	132 km	5 km
Mar 8, 2016	0 km N of Thurman, Ohio	M2.6	72 km	20 km
Feb 11, 2015	8 km SE of Richmond Dale, Ohio	M2.6	72 km	20 km
Jul 23, 2013	6 km NNE of Germantown, Kentucky	M2.6	67 km	4 km
Jan 28, 2024	3 km SW of Old Washington, Kentucky	M2.5	57 km	15 km
Mar 20, 2023	13 km SSW of Rio Grande, Ohio	M2.5	67 km	6 km
Mar 27, 2013	3 km W of Apple Grove, West Virginia	M2.5	84 km	15 km
Sep 27, 2009	22 km NNW of Hindman, Kentucky	M2.5	121 km	7 km
Feb 17, 2023	6 km ESE of Cheshire, Ohio	M2.5	105 km	16 km

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

Tornado History

232 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 19 fatalities, 321 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 23, 1968	EF5	35 km	34.0 mi	7
Mar 2, 2012	EF3	87 km	85.0 mi	10
May 10, 2003	EF3	47 km	25.0 mi	0
Jul 2, 1997	EF3	91 km	12.0 mi	0
Jun 30, 1993	EF3	76 km	15.0 mi	0
Apr 3, 1974	EF3	43 km	15.5 mi	1
Apr 3, 1974	EF3	93 km	4.9 mi	0
Apr 23, 1968	EF3	24 km	0.1 mi	0
May 7, 1967	EF3	45 km	2.0 mi	0
Apr 8, 1965	EF3	34 km	2.0 mi	0
Apr 8, 1965	EF3	53 km	6.9 mi	0
Feb 10, 1959	EF3	69 km	10.5 mi	0
Apr 2, 2024	EF2	67 km	1.9 mi	0
Apr 2, 2024	EF2	51 km	1.1 mi	0
Jun 8, 2022	EF2	94 km	9.1 mi	0
Oct 15, 2021	EF2	82 km	0.9 mi	0
Jul 4, 2016	EF2	74 km	2.6 mi	0
Mar 2, 2012	EF2	37 km	11.1 mi	1
Feb 29, 2012	EF2	83 km	6.3 mi	0
May 8, 2002	EF2	78 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 (21,562 acres, 1987).

Year	Name	Acres Burned	Distance
1987	UNNAMED	21,562	89 km
1987	UNNAMED	20,994	94 km
1987	UNNAMED	7,281	92 km
1987	MILL CREEK ROAD	7,029	91 km
1987	UNNAMED	6,337	81 km
1987	PLUM BRANCH	6,223	97 km
2001	UNNAMED	5,981	85 km
1991	PRICHARD	5,220	72 km
1991	UNNAMED	4,451	83 km
1987	SUMMER FORK	4,393	97 km
1999	UNNAMED	3,373	82 km
2009	UNNAMED	3,259	11 km
1991	DUNLOW	3,074	92 km
1995	UNNAMED	2,786	90 km
1987	UNNAMED	2,559	60 km
1987	UNNAMED	2,302	81 km
2000	SUMMER FORK	1,978	98 km
1991	UNNAMED	1,908	94 km
1991	PETERS BRANCH	1,824	97 km
1987	UNNAMED	1,683	54 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (1°C)	2.9 in	Coldest
February	34°F (1°C)	2.9 in
March	43°F (6°C)	3.9 in
April	53°F (12°C)	3.7 in
May	62°F (16°C)	4.5 in
June	70°F (21°C)	3.8 in
July	74°F (24°C)	4.6 in	Warmest, Wettest
August	73°F (23°C)	4.0 in
September	67°F (19°C)	3.1 in
October	55°F (13°C)	2.8 in	Driest
November	45°F (7°C)	3.3 in
December	36°F (2°C)	3.5 in

Garrison has a seasonal temperature swing of 41°F / from 33°F in January to 74°F in July. Total annual precipitation is 43.2 inches, with July being the wettest month (4.6") and October the driest (2.8").

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