Weather & Climate in Antimony, UT

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

Antimony has a cool climate with an average annual temperature of 44°F (7°C). Winters average 24°F in January while summers reach 66°F in July. The area gets 330 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 9.2 inches (drier than the 38-inch national average). The area receives 20.1 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 6,558 feet.

Temperature

24°F Jan (-5°C) 66°F Jul (19°C)

Annual Average	43.9°F
	19% below US avg
January Average	24°F (-5°C)
July Average	66°F (19°C)
Sunny Days	330 days/yr

Geography

Elevation	6,558 ft (1,999 m)
Area	9.8 sq mi (25.4 km²)
Population Density	8/sq mi
Coordinates	38.1030°N, 111.9823°W
Timezone	America/Denver
County	Sevier County County
Nearest Airport	Cedar City Regional (CDC) 67 miles away

Precipitation & Snow

Annual Rainfall 9.2"

76% below US avg

Snowfall 20.1"

Wettest Month (Aug) 1.93"

Driest Month (Apr) 0.75"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	22.7 / 100
Social Vulnerability	13.8 / 100
Community Resilience	56.1 / 100

Hazard Breakdown

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

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

Earthquake History

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

Apr 20, 1991	19 km SE of Minersville, Utah	M4.6	71 km	10 km
Jan 3, 2011	10 km NW of Circleville, Utah	M4.6	36 km	11 km
Jul 29, 2024	24 km S of Brian Head, Utah	M4.5	104 km	20 km
Jan 2, 1998	10 km ESE of Beaver, Utah	M4.4	50 km	12 km
Jun 24, 1992	30 km WSW of Emery, Utah	M4.3	85 km	5 km
Jun 29, 1992	12 km WNW of Cedar City, Utah	M4.2	114 km	-3 km
Jun 29, 1992	12 km WNW of Cedar City, Utah	M4.2	116 km	7 km
Apr 12, 2012	16 km NNE of Bryce Canyon City, Utah	M4.2	33 km	15 km
Jul 19, 2001	31 km NNE of Fremont, Utah	M4.2	80 km	7 km
Oct 22, 1999	20 km SE of Minersville, Utah	M4.1	67 km	6 km
Jan 4, 2010	8 km S of Cedar City, Utah	M4.1	110 km	9 km
Jul 4, 2015	Utah	M4.1	51 km	3 km
Apr 14, 2019	28 km W of Kanosh, Utah	M4.1	101 km	1 km
Feb 20, 2019	8 km SW of Kanosh, Utah	M4.0	84 km	8 km
Sep 6, 1994	12 km SSW of Circleville, Utah	M4.0	29 km	6 km
Jan 26, 1991	22 km SE of Escalante, Utah	M4.0	73 km	22 km
Feb 23, 2001	12 km SW of Kanosh, Utah	M4.0	84 km	2 km
Jan 30, 1998	19 km NNW of Panguitch, Utah	M4.0	49 km	7 km
Jan 6, 1996	15 km SE of Castle Dale, Utah	M3.9	150 km	6 km
Jan 17, 2020	10 km NNE of Minersville, Utah	M3.9	80 km	12 km

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

Tornado History

16 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Sep 22, 2016	EF1	49 km	0.8 mi	0
Apr 4, 1993	EF1	88 km	0.1 mi	0
Mar 31, 1978	EF1	27 km	0.5 mi	0
Apr 19, 1970	EF1	67 km	1.5 mi	0
Aug 7, 1957	EF1	95 km	1.5 mi	0
Aug 26, 2016	EF0	50 km	0.3 mi	0
Sep 4, 2001	EF0	96 km	5.0 mi	0
Sep 8, 2000	EF0	50 km	2.0 mi	0
May 21, 1992	EF0	78 km	0.3 mi	0
Sep 7, 1991	EF0	52 km	0.1 mi	0
Aug 19, 1984	EF0	36 km	0.1 mi	0
Mar 29, 1982	EF0	90 km	0.1 mi	0
May 31, 1969	EF0	98 km	0.1 mi	0
May 31, 1969	EF0	98 km	0.1 mi	0
May 31, 1969	EF0	98 km	0.1 mi	0
Jun 16, 1967	EF0	47 km	0.1 mi	0

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

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Markagunt Plateau (84 km).

Name	Type	Elevation	Last Eruption	Distance
Markagunt Plateau	Volcanic field	2,840 m (9,318 ft)	1050	84 km
Black Rock Desert	Volcanic field	1,800 m (5,906 ft)	1290	106 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: MILFORD FLAT (348,772 acres, 2007).

Year	Name	Acres Burned	Distance
2007	MILFORD FLAT	348,772	93 km
2002	SANFORD	81,854	25 km
2017	BRIANHEAD	74,276	72 km
1996	SORENSON COMPLEX (SOUTH TWIN PEAKS)	46,576	82 km
2010	TWITCHELL CANYON	42,956	59 km
2006	DOG VALLEY	28,992	83 km
2012	BABOON	20,453	93 km
1996	ADELAIDE COMPLEX (ADALAIDE)	15,638	79 km
1996	CUNNINGHAM	14,866	71 km
2007	GREENVILLE	13,043	64 km
1995	LAVA RIDGE	12,391	92 km
2022	HALFWAY HILL	12,145	92 km
1996	HONEY BOY	11,113	80 km
1987	NEGRO MAG	10,608	93 km
2006	TWIN PEAKS	10,366	97 km
1994	MILFORDBEN	10,338	89 km
1995	MILFORD PASS	10,140	91 km
2011	WRANGLER	8,505	99 km
2012	SHINGLE	8,122	89 km
2006	BADGER	8,104	99 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	24°F (-5°C)	0.8 in	Coldest
February	26°F (-3°C)	0.9 in
March	32°F (0°C)	1.0 in
April	38°F (4°C)	0.8 in	Driest
May	47°F (8°C)	0.9 in
June	56°F (14°C)	0.8 in
July	66°F (19°C)	1.4 in	Warmest
August	62°F (16°C)	1.9 in	Wettest
September	55°F (13°C)	1.5 in
October	44°F (7°C)	1.0 in
November	32°F (0°C)	0.9 in
December	25°F (-4°C)	1.0 in

Antimony has a seasonal temperature swing of 42°F / from 24°F in January to 66°F in July. Total annual precipitation is 12.8 inches, with August being the wettest month (1.9") and April the driest (0.8").

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