Weather & Climate in Brigham City, UT

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

Brigham City experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 74°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 15.5 inches (drier than the 38-inch national average). The area receives 38.3 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 4,250 feet.

Temperature

27°F Jan (-3°C) 74°F Jul (24°C)

Annual Average	50.1°F
	7% below US avg
January Average	27°F (-3°C)
July Average	74°F (24°C)
Sunny Days	316 days/yr

Geography

Elevation	4,250 ft (1,295 m)
Area	24.2 sq mi (62.6 km²)
Population Density	804/sq mi
Coordinates	41.5059°N, 112.0514°W
Timezone	America/Denver
County	Davis County County
Nearest Airport	Brigham City Regional (BMC) 3 miles away

Precipitation & Snow

Annual Rainfall 15.5"

59% below US avg

Snowfall 38.3"

Wettest Month (May) 2.13"

Driest Month (Jul) 0.87"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	87.8 / 100
Social Vulnerability	10.6 / 100
Community Resilience	97.9 / 100

Hazard Breakdown

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

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

Earthquake History

1,044 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	84 km	12 km
Sep 2, 2017	12 km E of Soda Springs, Idaho	M5.3	136 km	10 km
Sep 10, 2017	9 km NNW of Georgetown, Idaho	M5.0	129 km	10 km
Apr 15, 2010	9 km NE of Randolph, Utah	M4.9	83 km	10 km
Sep 10, 2017	12 km ESE of Soda Springs, Idaho	M4.7	132 km	5 km
Sep 3, 2017	10 km E of Soda Springs, Idaho	M4.7	135 km	8 km
Sep 11, 2017	9 km NW of Georgetown, Idaho	M4.7	126 km	8 km
Sep 3, 2017	15 km ESE of Soda Springs, Idaho	M4.7	134 km	10 km
Nov 4, 1992	67 km ENE of Montello, Nevada	M4.7	117 km	9 km
Sep 6, 2017	11 km NNW of Georgetown, Idaho	M4.6	129 km	10 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	83 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	84 km	11 km
Sep 4, 2017	13 km ESE of Soda Springs, Idaho	M4.5	134 km	6 km
Jan 26, 2018	5 km NNW of Georgetown, Idaho	M4.4	127 km	10 km
May 5, 2024	16 km SW of Thatcher, Utah	M4.4	32 km	7 km
Sep 5, 2017	13 km NNW of Georgetown, Idaho	M4.3	131 km	6 km
Sep 11, 2017	9 km NNW of Georgetown, Idaho	M4.3	127 km	2 km
Sep 5, 2017	12 km NNW of Georgetown, Idaho	M4.3	131 km	10 km
Apr 8, 1994	13 km SW of Smoot, Wyoming	M4.3	142 km	5 km
Sep 5, 2017	12 km NNW of Georgetown, Idaho	M4.3	129 km	3 km

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

Tornado History

50 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	88 km	4.3 mi	1
Aug 14, 1968	EF2	29 km	1.5 mi	0
Feb 9, 1965	EF2	88 km	0.1 mi	0
Jun 3, 1963	EF2	71 km	2.0 mi	0
Sep 2, 2021	EF1	73 km	2.1 mi	0
Sep 22, 2016	EF1	38 km	2.9 mi	0
Aug 20, 1998	EF1	57 km	0.1 mi	0
May 29, 1996	EF1	24 km	1.3 mi	0
Jun 2, 1993	EF1	76 km	1.0 mi	0
Sep 23, 1992	EF1	47 km	2.0 mi	0
Sep 17, 1989	EF1	53 km	0.2 mi	0
Mar 2, 1989	EF1	90 km	0.2 mi	0
May 29, 1987	EF1	55 km	0.2 mi	0
May 21, 1986	EF1	72 km	5.0 mi	0
Jun 30, 1982	EF1	68 km	1.2 mi	0
May 6, 1981	EF1	41 km	0.5 mi	0
Aug 14, 1968	EF1	83 km	0.1 mi	0
Jun 23, 1965	EF1	75 km	0.6 mi	0
May 25, 1954	EF1	70 km	0.5 mi	0
May 28, 2018	EF0	75 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	—	63 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Wapi Lava Field (181 km).

Name	Type	Elevation	Last Eruption	Distance
Wapi Lava Field	Shield	1,604 m (5,262 ft)	-300	181 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: STONE 2 (50,677 acres, 2006).

Year	Name	Acres Burned	Distance
2006	STONE 2	50,677	92 km
2001	UNNAMED	38,647	40 km
1994	ELEVATOR	31,854	60 km
2013	STATE	31,011	63 km
2006	HOGUPS	30,094	97 km
2007	MONARCH	25,046	92 km
2016	BROAD MOUTH	21,009	45 km
2005	SALLY	19,726	82 km
1996	SILVER HILL	17,137	94 km
2000	CASTLEROCK	16,718	83 km
1996	GOLDEN SPIKE	16,186	42 km
2007	CLEVELAND	16,172	92 km
2011	LAKESIDE	16,165	93 km
2016	WEST ANTELOPE	15,483	67 km
1999	BRIDGER BA	15,227	96 km
2006	SCORPIO	14,887	98 km
2000	HOGUP	14,688	95 km
2018	GORING	14,538	46 km
2018	NORTH EDEN	14,398	96 km
2020	TABBY CANYON	14,330	83 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	27°F (-3°C)	1.6 in
February	30°F (-1°C)	1.5 in
March	39°F (4°C)	1.7 in
April	46°F (8°C)	1.9 in
May	55°F (13°C)	2.1 in	Wettest
June	64°F (18°C)	1.3 in
July	74°F (24°C)	0.9 in	Warmest, Driest
August	71°F (22°C)	0.9 in
September	61°F (16°C)	1.5 in
October	49°F (10°C)	1.7 in
November	36°F (2°C)	1.5 in
December	27°F (-3°C)	1.5 in	Coldest

Brigham City has a seasonal temperature swing of 47°F / from 27°F in December to 74°F in July. Total annual precipitation is 18.0 inches, with May being the wettest month (2.1") and July the driest (0.9").

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