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West Mountain, UT

Full City Profile · Utah · Utah County County

3.2 /5.0
B Good
1,371 Population 130/sq mi density
$107,222 Median Income $32,289 per capita
$639,300 Home Value $1,244,532 Zillow
53°F Avg Temperature 308 sunny days/yr
78 Violent Crime/100K 2,493 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$107,222 median income, 2.5% unemployment
B
Affordability
3.3 / 5.0
$639,300 home value, /mo rent
F
Safety
1.0 / 5.0
78 violent crimes/100K
B+
Education
3.5 / 5.0
31.7% bachelor's degree or higher
West Mountain experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 308 sunny days per year. Annual precipitation totals 20.2 inches. The area receives 66.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

30°F Jan (-1°C) 77°F Jul (25°C)
Annual Average52.9°F
2% below US avg
January Average30°F (-1°C)
July Average77°F (25°C)
Sunny Days308 days/yr

Geography

Elevation4,561 ft (1,390 m)
Area9.5 sq mi (24.7 km²)
Population Density130/sq mi
Coordinates40.0518°N, 111.7834°W
TimezoneAmerica/Denver
CountyUtah County County
Nearest AirportSalt Lake City International (SLC)
52 miles away

Precipitation & Snow

Annual Rainfall 20.2"
47% below US avg
Snowfall 66.0"
Wettest Month (May) 1.65"
Driest Month (Jun) 0.83"

Air Quality

AQI Median41.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0455 ppm
NO₂ (Nitrogen Dioxide)12.4 ppb
CO (Carbon Monoxide)0.26 ppm
PM2.5 (Fine Particles)6.3 μg/m³

Natural Hazard Risk

Overall RiskRelatively High
Risk Score95.3 / 100
Social Vulnerability10.6 / 100
Community Resilience83.2 / 100

Hazard Breakdown

Tornado Relatively Low
Earthquake Relatively High
Wildfire Relatively High
Flood Relatively Moderate
Hail Very Low
Strong Wind Relatively High
Heat Wave Relatively Moderate
Winter Weather Relatively High
Lightning Very High
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Relatively Low
Landslide Relatively Low
Volcano Very Low
Avalanche Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

663 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.7. Most recent: M3.1 on May 24, 2025.

Mar 18, 2020 5 km NNE of Magna, Utah M5.7 82 km
Mar 18, 2020 6 km NNE of Magna, Utah M4.6 82 km
Mar 18, 2020 5 km NE of Magna, Utah M4.6 81 km
Jun 24, 1992 30 km WSW of Emery, Utah M4.3 142 km
Apr 17, 2003 6 km SSW of Levan, Utah M4.2 61 km
Apr 16, 2020 4 km NE of Magna, Utah M4.2 80 km
Apr 15, 2020 4 km NE of Magna, Utah M4.2 79 km
Mar 16, 1992 6 km S of Herriman, Utah M4.2 50 km
Jul 19, 2001 31 km NNE of Fremont, Utah M4.2 148 km
Mar 18, 2020 1 km NNW of Magna, Utah M4.2 79 km
Mar 7, 2000 7 km N of Helper, Utah M4.2 87 km
Jun 29, 2014 6 km SE of Spring City, Utah M4.2 74 km
May 25, 2016 15 km NNE of Tabiona, Utah M4.0 108 km
Mar 18, 2020 4 km NNE of Magna, Utah M4.0 81 km
May 1, 2025 4 km WNW of Independence, Utah M3.9 50 km
Jan 6, 1996 15 km SE of Castle Dale, Utah M3.9 129 km
Mar 23, 2020 8 km NNE of Magna, Utah M3.9 84 km
Mar 18, 2020 4 km NNE of Magna, Utah M3.9 81 km
Mar 18, 2020 6 km NE of Magna, Utah M3.9 82 km
Oct 11, 1999 2 km W of Glenwood, Utah M3.8 144 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

40 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 1 fatality, 82 injuries.

Date Rating Distance Fatalities
Jun 19, 2022 EF2 91 km 0
Sep 8, 2002 EF2 88 km 0
Aug 11, 1999 EF2 76 km 1
Feb 9, 1965 EF2 79 km 0
Jun 3, 1963 EF2 93 km 0
Jun 16, 1955 EF2 92 km 0
Sep 2, 2021 EF1 90 km 0
Jun 2, 1993 EF1 87 km 0
May 3, 1993 EF1 77 km 0
Jul 25, 1991 EF1 71 km 0
Jul 8, 1989 EF1 62 km 0
Mar 2, 1989 EF1 77 km 0
Jan 10, 1989 EF1 59 km 0
Dec 2, 1970 EF1 42 km 0
Aug 14, 1968 EF1 80 km 0
Apr 17, 1966 EF1 21 km 0
Jul 9, 1965 EF1 40 km 0
May 28, 2018 EF0 56 km 0
Sep 7, 2013 EF0 38 km 0
Jun 25, 2005 EF0 62 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Nearby Volcanoes

1 volcano within 200 km. Closest: Black Rock Desert (135 km).

Name Type Elevation Last Eruption Distance
Black Rock Desert Volcanic field 1,800 m (5,906 ft) 1290 135 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

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

Year Name Acres Distance
1996 LEAMINGTON COMPLEX (WASH) 161,203 49 km
2012 CLAY SPRINGS 107,391 80 km
2018 POLE CREEK 102,426 23 km
2020 CANAL 74,897 68 km
2018 DOLLAR RIDGE 69,817 77 km
1999 RAILROAD 64,598 54 km
2012 WOOD HOLLOW 46,763 42 km
2012 SEELEY 44,626 78 km
2009 BIG POLE 41,579 96 km
1994 SIMPSON BT 36,917 84 km
2017 DAVIS 35,071 75 km
1996 DAVIS KNOLL COMPLEX (DAVIS KNOLL) 34,843 77 km
2018 COAL HOLLOW 30,239 43 km
2013 PATCH SPRINGS 29,562 83 km
2000 OLDROYD COMPLEX (MONA WEST) 28,774 30 km
1996 LEAMINGTON COMPLEX (LEAMINGTON) 28,159 71 km
2007 SALT CREEK 26,924 39 km
2012 FAUST 22,155 71 km
2005 DITTO 22,041 93 km
2018 BALD MOUNTAIN 21,016 16 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 1.4 in
February 32°F (-0°C) 1.4 in
March 40°F (5°C) 1.6 in
April 48°F (9°C) 1.6 in
May 56°F (13°C) 1.7 in Wettest
June 65°F (18°C) 0.8 in Driest
July 77°F (25°C) 0.8 in Warmest
August 71°F (21°C) 0.9 in
September 62°F (16°C) 1.3 in
October 50°F (10°C) 1.7 in
November 38°F (3°C) 1.6 in
December 28°F (-2°C) 1.3 in Coldest

West Mountain has a seasonal temperature swing of 49°F / from 28°F in December to 77°F in July. Total annual precipitation is 16.0 inches, with May being the wettest month (1.7") and June the driest (0.8").

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