Weather & Climate in Union Hall, VA

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

Union Hall enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 37°F in January while summers reach 77°F in July. The area gets 305 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 46.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 848 feet.

Temperature

37°F Jan (3°C) 77°F Jul (25°C)

Annual Average	57.0°F
	6% above US avg
January Average	37°F (3°C)
July Average	77°F (25°C)
Sunny Days	305 days/yr

Geography

Elevation	848 ft (258 m)
Area	18.0 sq mi (46.6 km²)
Population Density	101/sq mi
Coordinates	37.0221°N, 79.6808°W
Timezone	America/New_York
County	Bedford County County
Nearest Airport	Roanoke/Blacksburg Regional (Woodrum Field) (ROA) 27 miles away

Precipitation & Snow

Annual Rainfall 46.3"

22% above US avg

Wettest Month (Jul) 4.29"

Driest Month (Jan) 3.15"

Air Quality

AQI Median	35.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	51.2 / 100
Social Vulnerability	31.1 / 100
Community Resilience	57.1 / 100

Hazard Breakdown

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

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

Earthquake History

26 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.

Oct 21, 1998	13 km S of Dillwyn, Virginia	M3.8	119 km	13 km
Apr 22, 1991	14 km ESE of Falling Spring, West Virginia	M3.5	112 km	15 km
Sep 13, 2017	11 km NE of Peterstown, West Virginia	M3.2	103 km	18 km
Dec 4, 2001	9 km W of Alderson, West Virginia	M3.1	123 km	9 km
May 16, 2009	2 km NNE of Cave Spring, Virginia	M3.0	38 km	13 km
May 6, 2025	8 km S of Dillwyn, Virginia	M3.0	118 km	8 km
Jan 22, 1995	0 km WNW of Pulaski, Virginia	M2.9	98 km	9 km
Jul 4, 2009	3 km E of Narrows, Virginia	M2.8	103 km	0 km
Jul 15, 2021	10 km S of Narrows, Virginia	M2.8	104 km	20 km
May 12, 2017	6 km SSW of Narrows, Virginia	M2.8	107 km	4 km
Jul 6, 2023	5 km S of Hillsville, Virginia	M2.7	99 km	0 km
Aug 18, 2000	2 km SSE of Narrows, Virginia	M2.7	30 km	10 km
Aug 25, 2011	14 km SE of Falling Spring, West Virginia	M2.7	110 km	13 km
Nov 25, 2009	14 km S of Arrington, Virginia	M2.7	93 km	0 km
Jul 12, 1993	5 km SW of Greensboro, North Carolina	M2.7	111 km	5 km
Mar 4, 2019	13 km E of Meadow Bridge, West Virginia	M2.6	128 km	16 km
Jul 11, 2006	9 km SSE of Rupert, West Virginia	M2.6	128 km	5 km
Mar 28, 2001	2 km S of Narrows, Virginia	M2.6	105 km	0 km
Nov 15, 1995	5 km ENE of Shady Spring, West Virginia	M2.6	143 km	33 km
Jul 8, 2023	Virginia-North Carolina border region	M2.6	99 km	4 km

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

Hurricane History

5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.

Year	Name	Category	Max Wind	Closest
2003	Isabel	Category 2	98 mph	180 km
1999	Floyd	Category 1	81 mph	297 km
1996	Bertha	Category 2	75 mph	293 km
1996	Fran	Category 2	75 mph	221 km
1989	Hugo	Category 1	—	288 km

Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

153 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 5 fatalities, 128 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 19, 2019	EF3	26 km	8.1 mi	0
Apr 15, 2018	EF3	52 km	20.4 mi	0
Feb 24, 2016	EF3	77 km	16.9 mi	1
Mar 20, 1998	EF3	74 km	12.0 mi	2
Mar 24, 1969	EF3	90 km	0.1 mi	1
Jun 16, 1966	EF3	98 km	1.0 mi	0
Sep 27, 2024	EF2	38 km	6.9 mi	0
May 27, 2022	EF2	48 km	6.3 mi	0
Mar 23, 2022	EF2	89 km	1.9 mi	0
Nov 2, 2018	EF2	78 km	1.7 mi	0
Apr 27, 2011	EF2	59 km	18.1 mi	1
Apr 16, 2011	EF2	88 km	26.2 mi	0
Apr 8, 2011	EF2	100 km	1.9 mi	0
Oct 27, 2010	EF2	87 km	3.9 mi	0
Sep 17, 2004	EF2	41 km	8.8 mi	0
Sep 17, 2004	EF2	27 km	3.0 mi	0
Apr 28, 2002	EF2	38 km	10.0 mi	0
Jul 15, 1996	EF2	38 km	0.5 mi	0
Jun 9, 1996	EF2	18 km	0.1 mi	0
Oct 27, 1995	EF2	89 km	4.0 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: RICH HOLE (15,923 acres, 2012).

Year	Name	Acres Burned	Distance
2012	RICH HOLE	15,923	95 km
2012	ALLEGHANY TUNNELS FIRES	11,055	95 km
2023	MATTS CREEK	11,028	67 km
2016	MOUNT PLEASANT	11,001	91 km
2012	BARBOURS CREEK.	7,244	75 km
2008	ANGEL	4,129	48 km
2021	UNNAMED	3,518	72 km
2006	BULL MOUNTAIN	3,300	58 km
2002	MARBLEYARD	3,123	66 km
2008	LITTLE CUBA	3,017	61 km
2006	PEAVINE COMPLEX	2,950	72 km
2010	PATTERSON MTN	2,443	69 km
1987	UNNAMED	2,038	74 km
1986	TUCKER	1,976	74 km
1995	COVE	1,675	60 km
2015	SHORT HILLS MOUNTAIN	1,637	68 km
1995	SOUTH	1,610	74 km
2021	PATTERSON MOUNTAIN RX	1,584	69 km
2008	BLACKHORSE	1,537	45 km
1999	FORT LEWIS MTN.	1,525	50 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	37°F (3°C)	3.2 in	Coldest, Driest
February	39°F (4°C)	3.2 in
March	47°F (8°C)	3.8 in
April	56°F (13°C)	3.6 in
May	64°F (18°C)	4.1 in
June	72°F (22°C)	3.5 in
July	77°F (25°C)	4.3 in	Warmest, Wettest
August	74°F (24°C)	3.9 in
September	68°F (20°C)	3.8 in
October	57°F (14°C)	3.8 in
November	48°F (9°C)	3.3 in
December	40°F (4°C)	3.2 in

Union Hall has a seasonal temperature swing of 39°F / from 37°F in January to 77°F in July. Total annual precipitation is 43.5 inches, with July being the wettest month (4.3") and January the driest (3.2").

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