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Weather & Climate in Lynndyl, UT

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

Lynndyl experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 76°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 12.3 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 4,781 feet.

Temperature

27°F Jan (-3°C) 76°F Jul (24°C)
Annual Average50.1°F
7% below US avg
January Average27°F (-3°C)
July Average76°F (24°C)
Sunny Days330 days/yr

Geography

Elevation4,781 ft (1,457 m)
Area3.1 sq mi (8.1 km²)
Population Density45/sq mi
Coordinates39.5086°N, 112.3934°W
TimezoneAmerica/Denver
CountyJuab County County
Nearest AirportCarbon County Regional/Buck Davis Field (PUC)
88 miles away

Precipitation & Snow

Annual Rainfall 12.3"
68% below US avg
Wettest Month (May) 1.10"
Driest Month (Jun) 0.63"

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

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

Mar 18, 2020 5 km NNE of Magna, Utah M5.7 141 km 12 km
Mar 18, 2020 6 km NNE of Magna, Utah M4.6 142 km 9 km
Mar 18, 2020 5 km NE of Magna, Utah M4.6 141 km 11 km
Jan 3, 2011 10 km NW of Circleville, Utah M4.6 140 km 11 km
Jan 2, 1998 10 km ESE of Beaver, Utah M4.4 141 km 12 km
Jun 24, 1992 30 km WSW of Emery, Utah M4.3 108 km 5 km
Apr 17, 2003 6 km SSW of Levan, Utah M4.2 44 km 1 km
Apr 16, 2020 4 km NE of Magna, Utah M4.2 139 km 10 km
Mar 18, 2020 1 km NNW of Magna, Utah M4.2 137 km 9 km
Mar 16, 1992 6 km S of Herriman, Utah M4.2 110 km 12 km
Jul 19, 2001 31 km NNE of Fremont, Utah M4.2 113 km 7 km
Apr 15, 2020 4 km NE of Magna, Utah M4.2 139 km 9 km
Jun 29, 2014 6 km SE of Spring City, Utah M4.2 83 km 9 km
Mar 7, 2000 7 km N of Helper, Utah M4.2 135 km -3 km
Apr 14, 2019 28 km W of Kanosh, Utah M4.1 88 km 1 km
Feb 20, 2019 8 km SW of Kanosh, Utah M4.0 86 km 8 km
Mar 18, 2020 4 km NNE of Magna, Utah M4.0 140 km 7 km
Feb 23, 2001 12 km SW of Kanosh, Utah M4.0 89 km 2 km
Mar 23, 2020 8 km NNE of Magna, Utah M3.9 144 km 10 km
May 1, 2025 4 km WNW of Independence, Utah M3.9 129 km 14 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

20 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date Rating Distance Path Fatalities
Sep 8, 2002 EF2 71 km 2.7 mi 0
Jun 16, 1955 EF2 58 km 2.7 mi 0
Apr 19, 1970 EF1 94 km 1.5 mi 0
Apr 17, 1966 EF1 100 km 0.1 mi 0
Aug 28, 1964 EF1 63 km 0.1 mi 0
Aug 7, 1957 EF1 77 km 1.5 mi 0
Jun 25, 2005 EF0 84 km 0.5 mi 0
Jun 9, 2003 EF0 83 km 0.1 mi 0
Sep 12, 2002 EF0 72 km 0.1 mi 0
Sep 8, 2002 EF0 65 km 0.2 mi 0
Aug 8, 2001 EF0 84 km 2.0 mi 0
Apr 5, 1997 EF0 94 km 0.1 mi 0
May 28, 1996 EF0 28 km 0.2 mi 0
Jun 7, 1989 EF0 40 km 0.2 mi 0
Aug 15, 1984 EF0 75 km 0.1 mi 0
Aug 13, 1984 EF0 96 km 0.1 mi 0
Sep 13, 1982 EF0 98 km 0.5 mi 0
May 3, 1982 EF0 98 km 0.1 mi 0
Sep 2, 1971 EF0 82 km 0.1 mi 0
Jun 16, 1955 EF0 58 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 (61 km).

Name Type Elevation Last Eruption Distance
Black Rock Desert Volcanic field 1,800 m (5,906 ft) 1290 61 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 96 km
1996 LEAMINGTON COMPLEX (WASH) 161,203 32 km
2012 CLAY SPRINGS 107,391 15 km
2018 POLE CREEK 102,426 91 km
2020 CANAL 74,897 14 km
1999 RAILROAD 64,598 27 km
2012 WOOD HOLLOW 46,763 77 km
1996 SORENSON COMPLEX (SOUTH TWIN PEAKS) 46,576 95 km
1994 SIMPSON BT 36,917 74 km
2017 DAVIS 35,071 82 km
1996 DAVIS KNOLL COMPLEX (DAVIS KNOLL) 34,843 82 km
1986 TWINPEAKS 34,633 77 km
2006 DOG VALLEY 28,992 92 km
2000 OLDROYD COMPLEX (MONA WEST) 28,774 50 km
1996 LEAMINGTON COMPLEX (LEAMINGTON) 28,159 18 km
2007 SALT CREEK 26,924 66 km
2012 FAUST 22,155 77 km
2005 DITTO 22,041 74 km
2018 BALD MOUNTAIN 21,016 76 km
1996 LEAMINGTON COMPLEX (EAST SAGE) 18,360 41 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 0.8 in Coldest
February 34°F (1°C) 0.8 in
March 42°F (6°C) 0.9 in
April 49°F (10°C) 0.9 in
May 59°F (15°C) 1.1 in Wettest
June 69°F (21°C) 0.6 in Driest
July 76°F (24°C) 0.7 in Warmest
August 76°F (24°C) 0.8 in
September 65°F (19°C) 0.8 in
October 52°F (11°C) 1.1 in
November 39°F (4°C) 0.9 in
December 29°F (-2°C) 0.7 in

Lynndyl has a seasonal temperature swing of 49°F / from 27°F in January to 76°F in July. Total annual precipitation is 10.0 inches, with May being the wettest month (1.1") and June the driest (0.6").

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