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Delta, UT

Full City Profile · Utah · Juab County County

3.1 /5.0
B Good
3,675 Population 426/sq mi density
$73,224 Median Income $24,799 per capita
$255,400 Home Value $344,877 Zillow
$1,107 Median Rent 30.0% income on rent
51°F Avg Temperature 330 sunny days/yr
79 Violent Crime/100K 3,772 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$73,224 median income, 4.9% unemployment
A+
Affordability
4.7 / 5.0
$255,400 home value, $1,107/mo rent
F
Safety
1.0 / 5.0
79 violent crimes/100K
B
Education
3.2 / 5.0
28.1% bachelor's degree or higher
Delta experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 27°F in January while summers reach 76°F in July. The area gets 330 sunny days per year. Annual precipitation totals 8.0 inches. The area receives 25.3 inches of snow annually. Air quality is rated Good with a median AQI of 41.

Temperature

27°F Jan (-3°C) 76°F Jul (25°C)
Annual Average50.6°F
6% below US avg
January Average27°F (-3°C)
July Average76°F (25°C)
Sunny Days330 days/yr

Geography

Elevation4,673 ft (1,424 m)
Area4.6 sq mi (12.0 km²)
Population Density426/sq mi
Coordinates39.3633°N, 112.5438°W
TimezoneAmerica/Denver
CountyJuab County County
Nearest AirportCarbon County Regional/Buck Davis Field (PUC)
97 miles away

Precipitation & Snow

Annual Rainfall 8.0"
79% below US avg
Snowfall 25.3"
Wettest Month (May) 1.06"
Driest Month (Jun) 0.55"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score15.3 / 100
Social Vulnerability10.6 / 100
Community Resilience69.3 / 100

Hazard Breakdown

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

Earthquake History

715 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M2.9 on May 29, 2025.

Apr 20, 1991 19 km SE of Minersville, Utah M4.6 145 km
Jan 3, 2011 10 km NW of Circleville, Utah M4.6 125 km
Jan 2, 1998 10 km ESE of Beaver, Utah M4.4 125 km
Jun 24, 1992 30 km WSW of Emery, Utah M4.3 107 km
Apr 17, 2003 6 km SSW of Levan, Utah M4.2 59 km
Jul 19, 2001 31 km NNE of Fremont, Utah M4.2 111 km
Mar 16, 1992 6 km S of Herriman, Utah M4.2 129 km
Jun 29, 2014 6 km SE of Spring City, Utah M4.2 96 km
Oct 22, 1999 20 km SE of Minersville, Utah M4.1 142 km
Apr 14, 2019 28 km W of Kanosh, Utah M4.1 69 km
Feb 20, 2019 8 km SW of Kanosh, Utah M4.0 70 km
Sep 6, 1994 12 km SSW of Circleville, Utah M4.0 146 km
Feb 23, 2001 12 km SW of Kanosh, Utah M4.0 72 km
Jan 6, 1996 15 km SE of Castle Dale, Utah M3.9 147 km
May 1, 2025 4 km WNW of Independence, Utah M3.9 150 km
Jan 17, 2020 10 km NNE of Minersville, Utah M3.9 122 km
Apr 10, 1998 3 km ENE of Milford, Utah M3.9 112 km
May 6, 1990 10 km SSE of Beaver, Utah M3.8 132 km
Feb 6, 1991 7 km WNW of Hiawatha, Utah M3.8 126 km
Oct 11, 1999 2 km W of Glenwood, Utah M3.8 80 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

13 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 1 injury.

Date Rating Distance Fatalities
Sep 8, 2002 EF2 79 km 0
Jun 16, 1955 EF2 63 km 0
Apr 19, 1970 EF1 84 km 0
Aug 28, 1964 EF1 66 km 0
Aug 7, 1957 EF1 74 km 0
Jun 25, 2005 EF0 99 km 0
Sep 12, 2002 EF0 83 km 0
Sep 8, 2002 EF0 68 km 0
May 28, 1996 EF0 12 km 0
Jun 7, 1989 EF0 21 km 0
Aug 15, 1984 EF0 81 km 0
May 3, 1982 EF0 78 km 0
Jun 16, 1955 EF0 63 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Black Rock Desert (44 km).

Name Type Elevation Last Eruption Distance
Black Rock Desert Volcanic field 1,800 m (5,906 ft) 1290 44 km
Markagunt Plateau Volcanic field 2,840 m (9,318 ft) 1050 199 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

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

Year Name Acres Distance
2007 MILFORD FLAT 348,772 77 km
1996 LEAMINGTON COMPLEX (WASH) 161,203 53 km
2012 CLAY SPRINGS 107,391 26 km
2020 CANAL 74,897 33 km
1999 RAILROAD 64,598 47 km
2012 WOOD HOLLOW 46,763 95 km
1996 SORENSON COMPLEX (SOUTH TWIN PEAKS) 46,576 77 km
2010 TWITCHELL CANYON 42,956 100 km
1994 SIMPSON BT 36,917 85 km
2017 DAVIS 35,071 96 km
1996 DAVIS KNOLL COMPLEX (DAVIS KNOLL) 34,843 96 km
1986 TWINPEAKS 34,633 58 km
2006 DOG VALLEY 28,992 75 km
2000 OLDROYD COMPLEX (MONA WEST) 28,774 70 km
1996 LEAMINGTON COMPLEX (LEAMINGTON) 28,159 34 km
2007 SALT CREEK 26,924 84 km
2012 FAUST 22,155 91 km
2005 DITTO 22,041 83 km
2018 BALD MOUNTAIN 21,016 96 km
2020 ANTELOPE 20,624 99 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 0.7 in Coldest
February 34°F (1°C) 0.7 in
March 42°F (6°C) 0.8 in
April 49°F (10°C) 0.9 in
May 59°F (15°C) 1.1 in Wettest
June 69°F (20°C) 0.6 in Driest
July 76°F (25°C) 0.6 in Warmest
August 74°F (24°C) 0.7 in
September 64°F (18°C) 0.8 in
October 51°F (11°C) 1.1 in
November 38°F (3°C) 0.8 in
December 28°F (-2°C) 0.6 in

Delta has a seasonal temperature swing of 49°F / from 27°F in January to 76°F in July. Total annual precipitation is 9.2 inches, with May being the wettest month (1.1") and June the driest (0.6").

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