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Weather & Climate in Helper, UT

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

Helper experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 26°F in January while summers reach 75°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 8.4 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 5,909 feet.

Temperature

26°F Jan (-4°C) 75°F Jul (24°C)
Annual Average49.5°F
8% below US avg
January Average26°F (-4°C)
July Average75°F (24°C)
Sunny Days330 days/yr

Geography

Elevation5,909 ft (1,801 m)
Area1.8 sq mi (4.5 km²)
Population Density1,481/sq mi
Coordinates39.6896°N, 110.8596°W
TimezoneAmerica/Denver
CountyCarbon County County
Nearest AirportCarbon County Regional/Buck Davis Field (PUC)
8 miles away

Precipitation & Snow

Annual Rainfall 8.4"
78% below US avg
Wettest Month (Aug) 1.46"
Driest Month (Apr) 0.87"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score8.7 / 100
Social Vulnerability33.6 / 100
Community Resilience48.2 / 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 Very Low
Cold Wave Very Low
Landslide Relatively Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

581 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.

Jun 24, 1992 30 km WSW of Emery, Utah M4.3 117 km 5 km
Apr 17, 2003 6 km SSW of Levan, Utah M4.2 90 km 1 km
Jul 19, 2001 31 km NNE of Fremont, Utah M4.2 121 km 7 km
Mar 16, 1992 6 km S of Herriman, Utah M4.2 132 km 12 km
Mar 7, 2000 7 km N of Helper, Utah M4.2 7 km -3 km
Jun 29, 2014 6 km SE of Spring City, Utah M4.2 57 km 9 km
May 25, 2016 15 km NNE of Tabiona, Utah M4.0 91 km 16 km
Apr 7, 1990 28 km WNW of Bonanza, Utah M4.0 125 km 11 km
May 1, 2025 4 km WNW of Independence, Utah M3.9 79 km 14 km
Jan 6, 1996 15 km SE of Castle Dale, Utah M3.9 62 km 6 km
Feb 5, 1998 7 km N of Helper, Utah M3.8 7 km -2 km
Feb 6, 1991 7 km WNW of Hiawatha, Utah M3.8 28 km 5 km
Oct 11, 1999 2 km W of Glenwood, Utah M3.8 143 km 9 km
Dec 22, 1999 31 km SW of Emery, Utah M3.7 119 km 2 km
Nov 8, 1991 17 km WNW of Bonanza, Utah M3.7 137 km 4 km
Feb 15, 2019 3 km SSW of Bluffdale, Utah M3.7 126 km 9 km
Mar 2, 1991 27 km SSW of Jensen, Utah M3.7 130 km -3 km
Jan 8, 1999 31 km SW of Emery, Utah M3.7 119 km 5 km
Jul 29, 2005 2 km NNW of Richfield, Utah M3.7 146 km 8 km
Jul 31, 2012 22 km WNW of Emery, Utah M3.7 93 km 7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

27 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3.

Date Rating Distance Path Fatalities
Aug 11, 1993 EF3 76 km 17.0 mi 0
Jun 19, 2022 EF2 24 km 2.1 mi 0
Sep 8, 2002 EF2 81 km 2.7 mi 0
Nov 2, 1967 EF2 92 km 0.1 mi 0
May 4, 1961 EF2 99 km 9.4 mi 0
Jun 16, 1955 EF2 98 km 2.7 mi 0
Dec 2, 1970 EF1 100 km 1.0 mi 0
Apr 17, 1966 EF1 80 km 0.1 mi 0
Jul 9, 1965 EF1 97 km 0.4 mi 0
May 28, 2018 EF0 56 km 0.3 mi 0
Jul 26, 2010 EF0 20 km 0.1 mi 0
Jun 8, 2006 EF0 96 km 0.5 mi 0
Jun 25, 2005 EF0 50 km 0.5 mi 0
Jun 23, 2005 EF0 60 km 0.5 mi 0
Jun 9, 2003 EF0 84 km 0.1 mi 0
Sep 12, 2002 EF0 71 km 0.1 mi 0
Aug 8, 2001 EF0 49 km 2.0 mi 0
Jul 25, 2001 EF0 11 km 0.5 mi 0
Jul 26, 1991 EF0 92 km 0.1 mi 0
Jul 26, 1991 EF0 93 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

1 volcano within 200 km. Closest: Black Rock Desert (162 km).

Name Type Elevation Last Eruption Distance
Black Rock Desert Volcanic field 1,800 m (5,906 ft) 1290 162 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: POLE CREEK (102,426 acres, 2018).

Year Name Acres Burned Distance
2018 POLE CREEK 102,426 66 km
2018 DOLLAR RIDGE 69,817 47 km
2012 WOOD HOLLOW 46,763 59 km
2012 SEELEY 44,626 26 km
2018 COAL HOLLOW 30,239 47 km
2000 OLDROYD COMPLEX (MONA WEST) 28,774 98 km
2007 SALT CREEK 26,924 70 km
2018 BALD MOUNTAIN 21,016 76 km
1996 LEAMINGTON COMPLEX (EAST SAGE) 18,360 93 km
2018 TRAIL MOUNTAIN 18,342 41 km
2021 BEAR 12,660 8 km
2017 TANK HOLLOW 11,003 49 km
1995 TURKEY 9,568 91 km
2018 BEAR TRAP 9,215 95 km
2019 GOOSE POINT 9,186 93 km
1999 WEST MOUNTAIN II 8,476 94 km
2021 BENNION CREEK 8,314 35 km
2001 MOLLIE 7,850 81 km
2012 CHURCH CAMP 7,016 29 km
2003 CHERRY CREEK 2 6,443 76 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 26°F (-4°C) 1.1 in
February 25°F (-4°C) 1.1 in
March 32°F (0°C) 1.2 in
April 40°F (4°C) 0.9 in Driest
May 49°F (9°C) 1.1 in
June 58°F (15°C) 0.9 in
July 75°F (24°C) 1.3 in Warmest
August 64°F (18°C) 1.5 in Wettest
September 56°F (13°C) 1.4 in
October 44°F (7°C) 1.3 in
November 32°F (-0°C) 1.1 in
December 23°F (-5°C) 1.1 in Coldest

Helper has a seasonal temperature swing of 52°F / from 23°F in December to 75°F in July. Total annual precipitation is 13.8 inches, with August being the wettest month (1.5") and April the driest (0.9").

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