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Weather & Climate in Mona, UT

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

Mona experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 28°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 13.7 inches (drier than the 38-inch national average). The area receives 45.4 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 5,127 feet.

Temperature

28°F Jan (-2°C) 75°F Jul (24°C)
Annual Average50.5°F
6% below US avg
January Average28°F (-2°C)
July Average75°F (24°C)
Sunny Days330 days/yr

Geography

Elevation5,127 ft (1,563 m)
Area2.5 sq mi (6.5 km²)
Population Density617/sq mi
Coordinates39.8118°N, 111.8415°W
TimezoneAmerica/Denver
CountySanpete County County
Nearest AirportCarbon County Regional/Buck Davis Field (PUC)
60 miles away

Precipitation & Snow

Annual Rainfall 13.7"
64% below US avg
Snowfall 45.4"
Wettest Month (Oct) 1.50"
Driest Month (Jun) 0.83"

Air Quality

AQI Median41.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score38.6 / 100
Social Vulnerability38.0 / 100
Community Resilience52.6 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Low
Wildfire Relatively Moderate
Flood Very Low
Hail Very Low
Strong Wind Very Low
Heat Wave Relatively Low
Winter Weather Relatively Moderate
Lightning Relatively Moderate
Ice Storm Very Low
Drought Relatively Low
Cold Wave No Rating
Landslide Relatively Low
Volcano Very Low
Avalanche Very High
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

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

Mar 18, 2020 5 km NNE of Magna, Utah M5.7 106 km 12 km
Mar 18, 2020 6 km NNE of Magna, Utah M4.6 107 km 9 km
Mar 18, 2020 5 km NE of Magna, Utah M4.6 106 km 11 km
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 34 km 1 km
Apr 16, 2020 4 km NE of Magna, Utah M4.2 104 km 10 km
Mar 18, 2020 1 km NNW of Magna, Utah M4.2 104 km 9 km
Jul 19, 2001 31 km NNE of Fremont, Utah M4.2 122 km 7 km
Apr 15, 2020 4 km NE of Magna, Utah M4.2 104 km 9 km
Mar 16, 1992 6 km S of Herriman, Utah M4.2 74 km 12 km
Jun 29, 2014 6 km SE of Spring City, Utah M4.2 54 km 9 km
Mar 7, 2000 7 km N of Helper, Utah M4.2 85 km -3 km
Apr 14, 2019 28 km W of Kanosh, Utah M4.1 140 km 1 km
Feb 20, 2019 8 km SW of Kanosh, Utah M4.0 132 km 8 km
May 25, 2016 15 km NNE of Tabiona, Utah M4.0 126 km 16 km
Mar 18, 2020 4 km NNE of Magna, Utah M4.0 106 km 7 km
Feb 23, 2001 12 km SW of Kanosh, Utah M4.0 136 km 2 km
Mar 23, 2020 8 km NNE of Magna, Utah M3.9 109 km 10 km
Mar 18, 2020 4 km NNE of Magna, Utah M3.9 106 km 9 km
May 1, 2025 4 km WNW of Independence, Utah M3.9 73 km 14 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

32 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date Rating Distance Path Fatalities
Jun 19, 2022 EF2 94 km 2.1 mi 0
Sep 8, 2002 EF2 63 km 2.7 mi 0
Jun 16, 1955 EF2 65 km 2.7 mi 0
May 3, 1993 EF1 98 km 0.1 mi 0
Jul 25, 1991 EF1 92 km 10.0 mi 0
Jul 8, 1989 EF1 88 km 0.2 mi 0
Jan 10, 1989 EF1 86 km 0.2 mi 0
Dec 2, 1970 EF1 69 km 1.0 mi 0
Apr 17, 1966 EF1 44 km 0.1 mi 0
Jul 9, 1965 EF1 66 km 0.4 mi 0
Aug 28, 1964 EF1 74 km 0.1 mi 0
Aug 7, 1957 EF1 96 km 1.5 mi 0
May 28, 2018 EF0 71 km 0.3 mi 0
Sep 7, 2013 EF0 65 km 0.1 mi 0
Jul 26, 2010 EF0 99 km 0.1 mi 0
Jun 25, 2005 EF0 45 km 0.5 mi 0
May 30, 2005 EF0 63 km 0.2 mi 0
Jun 9, 2003 EF0 28 km 0.1 mi 0
Sep 12, 2002 EF0 54 km 0.1 mi 0
Sep 8, 2002 EF0 76 km 0.2 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Nearby Volcanoes

1 volcano within 200 km. Closest: Black Rock Desert (109 km).

Name Type Elevation Last Eruption Distance
Black Rock Desert Volcanic field 1,800 m (5,906 ft) 1290 109 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 32 km
2012 CLAY SPRINGS 107,391 55 km
2018 POLE CREEK 102,426 33 km
2020 CANAL 74,897 45 km
2018 DOLLAR RIDGE 69,817 89 km
1999 RAILROAD 64,598 37 km
2012 WOOD HOLLOW 46,763 27 km
2012 SEELEY 44,626 67 km
1994 SIMPSON BT 36,917 86 km
2017 DAVIS 35,071 81 km
1996 DAVIS KNOLL COMPLEX (DAVIS KNOLL) 34,843 83 km
2018 COAL HOLLOW 30,239 47 km
2013 PATCH SPRINGS 29,562 96 km
2000 OLDROYD COMPLEX (MONA WEST) 28,774 13 km
1996 LEAMINGTON COMPLEX (LEAMINGTON) 28,159 46 km
2007 SALT CREEK 26,924 18 km
2012 FAUST 22,155 77 km
2005 DITTO 22,041 92 km
2018 BALD MOUNTAIN 21,016 18 km
1996 LEAMINGTON COMPLEX (EAST SAGE) 18,360 24 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 1.3 in Coldest
February 32°F (-0°C) 1.2 in
March 39°F (4°C) 1.5 in
April 46°F (8°C) 1.3 in
May 55°F (13°C) 1.5 in
June 65°F (19°C) 0.8 in Driest
July 75°F (24°C) 0.9 in Warmest
August 73°F (23°C) 0.9 in
September 64°F (18°C) 1.2 in
October 52°F (11°C) 1.5 in Wettest
November 38°F (4°C) 1.3 in
December 29°F (-2°C) 1.1 in

Mona has a seasonal temperature swing of 47°F / from 28°F in January to 75°F in July. Total annual precipitation is 14.5 inches, with October being the wettest month (1.5") and June the driest (0.8").

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