Weather & Climate in Alpine, UT

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

Alpine experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 30°F in January while summers reach 74°F in July. The area gets 308 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 21.1 inches (drier than the 38-inch national average). The area receives 74.4 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 5,048 feet.

Temperature

30°F Jan (-1°C) 74°F Jul (23°C)

Annual Average	51.0°F
	6% below US avg
January Average	30°F (-1°C)
July Average	74°F (23°C)
Sunny Days	308 days/yr

Geography

Elevation	5,048 ft (1,539 m)
Area	7.4 sq mi (19.2 km²)
Population Density	1,292/sq mi
Coordinates	40.4630°N, 111.7724°W
Timezone	America/Denver
County	Salt Lake County County
Nearest Airport	Salt Lake City International (SLC) 25 miles away

Precipitation & Snow

Annual Rainfall 21.1"

44% below US avg

Snowfall 74.4"

Wettest Month (Mar) 1.93"

Driest Month (Jun) 1.02"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	98.6 / 100
Social Vulnerability	10.6 / 100
Community Resilience	66.4 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Earthquake	Relatively High
Wildfire	Relatively High
Flood	Relatively Moderate
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Relatively Moderate
Winter Weather	Very High
Lightning	Relatively High
Ice Storm	Very Low
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Relatively Low
Coastal Flood	No Rating
Volcano	Very Low
Avalanche	Very High

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

Earthquake History

541 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.

Mar 18, 2020	5 km NNE of Magna, Utah	M5.7	41 km	12 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	42 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	40 km	11 km
May 5, 2024	16 km SW of Thatcher, Utah	M4.4	135 km	7 km
Apr 17, 2003	6 km SSW of Levan, Utah	M4.2	107 km	1 km
Apr 16, 2020	4 km NE of Magna, Utah	M4.2	39 km	10 km
Apr 15, 2020	4 km NE of Magna, Utah	M4.2	39 km	9 km
Mar 18, 2020	1 km NNW of Magna, Utah	M4.2	40 km	9 km
Mar 16, 1992	6 km S of Herriman, Utah	M4.2	23 km	12 km
Mar 7, 2000	7 km N of Helper, Utah	M4.2	112 km	-3 km
Jun 29, 2014	6 km SE of Spring City, Utah	M4.2	117 km	9 km
May 25, 2016	15 km NNE of Tabiona, Utah	M4.0	95 km	16 km
Mar 18, 2020	4 km NNE of Magna, Utah	M4.0	41 km	7 km
May 1, 2025	4 km WNW of Independence, Utah	M3.9	43 km	14 km
Mar 18, 2020	4 km NNE of Magna, Utah	M3.9	41 km	9 km
Mar 23, 2020	8 km NNE of Magna, Utah	M3.9	42 km	10 km
May 4, 2024	16 km SW of Thatcher, Utah	M3.9	135 km	6 km
Mar 18, 2020	6 km NE of Magna, Utah	M3.9	40 km	10 km
Feb 5, 1998	7 km N of Helper, Utah	M3.8	111 km	-2 km
Feb 6, 1991	7 km WNW of Hiawatha, Utah	M3.8	121 km	5 km

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

Tornado History

47 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 fatality, 96 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 11, 1999	EF2	31 km	4.3 mi	1
Aug 14, 1968	EF2	91 km	1.5 mi	0
Feb 9, 1965	EF2	40 km	0.1 mi	0
Jun 3, 1963	EF2	47 km	2.0 mi	0
Sep 2, 2021	EF1	46 km	2.1 mi	0
Sep 22, 2016	EF1	80 km	2.9 mi	0
Aug 20, 1998	EF1	88 km	0.1 mi	0
May 29, 1996	EF1	95 km	1.3 mi	0
Jun 2, 1993	EF1	43 km	1.0 mi	0
May 3, 1993	EF1	48 km	0.1 mi	0
Sep 23, 1992	EF1	73 km	2.0 mi	0
Jul 25, 1991	EF1	42 km	10.0 mi	0
Jul 8, 1989	EF1	19 km	0.2 mi	0
Mar 2, 1989	EF1	38 km	0.2 mi	0
Jan 10, 1989	EF1	16 km	0.2 mi	0
Dec 2, 1970	EF1	18 km	1.0 mi	0
Aug 14, 1968	EF1	35 km	0.1 mi	0
Apr 17, 1966	EF1	38 km	0.1 mi	0
Jul 9, 1965	EF1	20 km	0.4 mi	0
May 28, 2018	EF0	65 km	0.3 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Black Rock Desert (177 km).

Name	Type	Elevation	Last Eruption	Distance
Black Rock Desert	Volcanic field	1,800 m (5,906 ft)	1290	177 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: LEAMINGTON COMPLEX (WASH) (161,203 acres, 1996).

Year	Name	Acres Burned	Distance
1996	LEAMINGTON COMPLEX (WASH)	161,203	87 km
2020	EAST FORK	106,432	100 km
2018	POLE CREEK	102,426	57 km
2018	DOLLAR RIDGE	69,817	85 km
1999	RAILROAD	64,598	92 km
2012	WOOD HOLLOW	46,763	84 km
2009	BIG POLE	41,579	76 km
1994	SIMPSON BT	36,917	94 km
2017	DAVIS	35,071	78 km
1996	DAVIS KNOLL COMPLEX (DAVIS KNOLL)	34,843	80 km
2018	COAL HOLLOW	30,239	72 km
2013	PATCH SPRINGS	29,562	74 km
2000	OLDROYD COMPLEX (MONA WEST)	28,774	73 km
2007	SALT CREEK	26,924	84 km
2012	FAUST	22,155	77 km
2018	BALD MOUNTAIN	21,016	60 km
1998	TEKOI	19,933	92 km
1996	LEAMINGTON COMPLEX (EAST SAGE)	18,360	96 km
1994	POSTHOLLOW	18,234	87 km
1998	SIMPSON SPRINGS	17,543	100 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	30°F (-1°C)	1.7 in
February	31°F (-1°C)	1.8 in
March	37°F (3°C)	1.9 in	Wettest
April	44°F (7°C)	1.8 in
May	53°F (12°C)	1.8 in
June	63°F (17°C)	1.0 in	Driest
July	74°F (23°C)	1.0 in	Warmest
August	69°F (21°C)	1.2 in
September	60°F (16°C)	1.5 in
October	49°F (9°C)	1.8 in
November	36°F (2°C)	1.9 in
December	28°F (-2°C)	1.7 in	Coldest

Alpine has a seasonal temperature swing of 46°F / from 28°F in December to 74°F in July. Total annual precipitation is 19.0 inches, with March being the wettest month (1.9") and June the driest (1.0").

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