Weather & Climate in Magna metro township, UT

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

Magna metro township experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 81°F in July. The area gets 316 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 17.7 inches (drier than the 38-inch national average). The area receives 23.0 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 4,202 feet.

Temperature

31°F Jan (-1°C) 81°F Jul (27°C)

Annual Average	54.4°F
	1% above US avg
January Average	31°F (-1°C)
July Average	81°F (27°C)
Sunny Days	316 days/yr

Geography

Elevation	4,202 ft (1,281 m)
Area	7.8 sq mi (20.3 km²)
Population Density	1,481/sq mi
Coordinates	40.7595°N, 112.1827°W
Timezone	America/Denver
County	Salt Lake County County
Nearest Airport	Salt Lake City International (SLC) 11 miles away

Precipitation & Snow

Annual Rainfall 17.7"

53% below US avg

Snowfall 23.0"

Wettest Month (May) 1.89"

Driest Month (Jul) 0.71"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	98.6 / 100
Social Vulnerability	10.6 / 100
Community Resilience	66.4 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Earthquake	Relatively High
Wildfire	Relatively High
Flood	Relatively Moderate
Hail	Relatively Low
Strong Wind	Relatively Moderate
Heat Wave	Relatively Moderate
Winter Weather	Very High
Lightning	Relatively High
Ice Storm	Very Low
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Relatively Low
Coastal Flood	No Rating
Volcano	Very Low
Avalanche	Very High

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

402 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	9 km	12 km
Apr 15, 2010	9 km NE of Randolph, Utah	M4.9	140 km	10 km
Nov 4, 1992	67 km ENE of Montello, Nevada	M4.7	136 km	9 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	10 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	11 km	11 km
May 5, 2024	16 km SW of Thatcher, Utah	M4.4	93 km	7 km
Apr 17, 2003	6 km SSW of Levan, Utah	M4.2	142 km	1 km
Apr 16, 2020	4 km NE of Magna, Utah	M4.2	11 km	10 km
Mar 18, 2020	1 km NNW of Magna, Utah	M4.2	8 km	9 km
Apr 15, 2020	4 km NE of Magna, Utah	M4.2	11 km	9 km
Mar 16, 1992	6 km S of Herriman, Utah	M4.2	36 km	12 km
May 25, 2016	15 km NNE of Tabiona, Utah	M4.0	133 km	16 km
Mar 18, 2020	4 km NNE of Magna, Utah	M4.0	9 km	7 km
Jun 3, 2009	5 km WNW of Riverside, Utah	M4.0	116 km	9 km
May 1, 2025	4 km WNW of Independence, Utah	M3.9	89 km	14 km
Mar 23, 2020	8 km NNE of Magna, Utah	M3.9	11 km	10 km
Mar 18, 2020	4 km NNE of Magna, Utah	M3.9	9 km	9 km
May 4, 2024	16 km SW of Thatcher, Utah	M3.9	93 km	6 km
Sep 24, 2019	5 km ENE of Howell, Utah	M3.9	119 km	7 km
Mar 18, 2020	6 km NE of Magna, Utah	M3.9	11 km	10 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

49 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 fatality, 96 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 11, 1999	EF2	27 km	4.3 mi	1
Aug 14, 1968	EF2	55 km	1.5 mi	0
Feb 9, 1965	EF2	8 km	0.1 mi	0
Jun 3, 1963	EF2	29 km	2.0 mi	0
Sep 2, 2021	EF1	24 km	2.1 mi	0
Sep 22, 2016	EF1	47 km	2.9 mi	0
Aug 20, 1998	EF1	78 km	0.1 mi	0
May 29, 1996	EF1	63 km	1.3 mi	0
Jun 2, 1993	EF1	24 km	1.0 mi	0
May 3, 1993	EF1	18 km	0.1 mi	0
Sep 23, 1992	EF1	37 km	2.0 mi	0
Jul 25, 1991	EF1	21 km	10.0 mi	0
Jul 8, 1989	EF1	30 km	0.2 mi	0
Mar 2, 1989	EF1	10 km	0.2 mi	0
Jan 10, 1989	EF1	32 km	0.2 mi	0
Dec 2, 1970	EF1	65 km	1.0 mi	0
Aug 14, 1968	EF1	26 km	0.1 mi	0
Apr 17, 1966	EF1	85 km	0.1 mi	0
Jul 9, 1965	EF1	68 km	0.4 mi	0
Sep 7, 2013	EF0	54 km	0.1 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1909	UTAH	Earthquake	3.6 m	—	124 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: DALLAS CANYON (43,386 acres, 2012).

Year	Name	Acres Burned	Distance
2012	DALLAS CANYON	43,386	66 km
2009	BIG POLE	41,579	44 km
2000	SALT LAKE DESERT COMPLEX (ARAGONITE)	39,825	65 km
2001	UNNAMED	38,647	90 km
1994	SIMPSON BT	36,917	89 km
1995	REDLAM	35,405	62 km
2017	DAVIS	35,071	71 km
1996	DAVIS KNOLL COMPLEX (DAVIS KNOLL)	34,843	72 km
1995	PUDDLE VALLEY	31,249	61 km
2013	PATCH SPRINGS	29,562	55 km
2007	MONARCH	25,046	59 km
2007	QUINCY	24,776	79 km
2012	FAUST	22,155	73 km
2005	DITTO	22,041	97 km
2017	CEDAR MOUNTAIN	21,388	65 km
1998	TEKOI	19,933	68 km
2005	SALLY	19,726	72 km
1994	POSTHOLLOW	18,234	73 km
1998	SIMPSON SPRINGS	17,543	95 km
1996	SILVER HILL	17,137	52 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	31°F (-1°C)	1.3 in	Coldest
February	35°F (1°C)	1.3 in
March	42°F (5°C)	1.6 in
April	49°F (9°C)	1.8 in
May	58°F (14°C)	1.9 in	Wettest
June	68°F (20°C)	0.9 in
July	81°F (27°C)	0.7 in	Warmest, Driest
August	74°F (24°C)	0.8 in
September	64°F (18°C)	1.3 in
October	53°F (11°C)	1.6 in
November	41°F (5°C)	1.5 in
December	33°F (0°C)	1.3 in

Magna metro township has a seasonal temperature swing of 51°F / from 31°F in January to 81°F in July. Total annual precipitation is 15.9 inches, with May being the wettest month (1.9") and July the driest (0.7").

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