Weather & Climate in Portage, UT

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

Portage experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 24°F in January while summers reach 75°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 16.9 inches (drier than the 38-inch national average). The area receives 38.5 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 4,464 feet.

Temperature

24°F Jan (-4°C) 75°F Jul (24°C)

Annual Average	48.8°F
	10% below US avg
January Average	24°F (-4°C)
July Average	75°F (24°C)
Sunny Days	316 days/yr

Geography

Elevation	4,464 ft (1,361 m)
Area	2.6 sq mi (6.6 km²)
Population Density	87/sq mi
Coordinates	41.9756°N, 112.2405°W
Timezone	America/Denver
County	Davis County County
Nearest Airport	Brigham City Regional (BMC) 31 miles away

Precipitation & Snow

Annual Rainfall 16.9"

56% below US avg

Snowfall 38.5"

Wettest Month (May) 2.01"

Driest Month (Jul) 0.98"

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

1,302 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Feb 3, 1994	4 km SSE of Auburn, Wyoming	M5.8	136 km	8 km
Mar 18, 2020	5 km NNE of Magna, Utah	M5.7	137 km	12 km
Apr 21, 2001	29 km WSW of Freedom, Idaho	M5.3	126 km	1 km
Sep 2, 2017	12 km E of Soda Springs, Idaho	M5.3	99 km	10 km
Sep 10, 2017	9 km NNW of Georgetown, Idaho	M5.0	94 km	10 km
Apr 15, 2010	9 km NE of Randolph, Utah	M4.9	99 km	10 km
Feb 11, 1994	3 km SSE of Auburn, Wyoming	M4.8	135 km	5 km
Sep 3, 2017	15 km ESE of Soda Springs, Idaho	M4.7	97 km	10 km
Sep 10, 2017	12 km ESE of Soda Springs, Idaho	M4.7	95 km	5 km
Sep 11, 2017	9 km NW of Georgetown, Idaho	M4.7	92 km	8 km
Feb 4, 1994	4 km WNW of Fairview, Wyoming	M4.7	129 km	5 km
Sep 3, 2017	10 km E of Soda Springs, Idaho	M4.7	97 km	8 km
Nov 4, 1992	67 km ENE of Montello, Nevada	M4.7	113 km	9 km
Sep 6, 2017	11 km NNW of Georgetown, Idaho	M4.6	93 km	10 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	136 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	137 km	11 km
Feb 7, 1994	4 km SW of Fairview, Wyoming	M4.5	126 km	5 km
Sep 4, 2017	13 km ESE of Soda Springs, Idaho	M4.5	97 km	6 km
Feb 10, 1994	3 km WSW of Auburn, Wyoming	M4.4	133 km	5 km
Nov 10, 1992	32 km WNW of Freedom, Idaho	M4.4	141 km	10 km

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

Tornado History

40 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 10 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 14, 1968	EF2	82 km	1.5 mi	0
Sep 22, 2016	EF1	92 km	2.9 mi	0
May 29, 1996	EF1	78 km	1.3 mi	0
Jun 11, 1993	EF1	74 km	10.0 mi	0
Sep 17, 1989	EF1	24 km	0.2 mi	0
May 29, 1987	EF1	32 km	0.2 mi	0
May 21, 1986	EF1	18 km	5.0 mi	0
May 21, 1986	EF1	65 km	0.5 mi	0
Aug 18, 1983	EF1	78 km	2.5 mi	0
Jun 30, 1982	EF1	34 km	1.2 mi	0
Jul 17, 1981	EF1	85 km	0.8 mi	0
May 6, 1981	EF1	23 km	0.5 mi	0
May 25, 1954	EF1	78 km	0.5 mi	0
Jun 23, 2023	EF0	86 km	0.2 mi	0
May 28, 2018	EF0	39 km	0.1 mi	0
Jul 31, 2016	EF0	97 km	1.7 mi	0
Jul 7, 2013	EF0	81 km	1.0 mi	0
May 3, 2009	EF0	66 km	1.0 mi	0
Aug 17, 2007	EF0	95 km	0.2 mi	0
Jul 25, 2007	EF0	14 km	0.3 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	—	43 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Wapi Lava Field (129 km).

Name	Type	Elevation	Last Eruption	Distance
Wapi Lava Field	Shield	1,604 m (5,262 ft)	-300	129 km
Hell's Half Acre	Shield	1,631 m (5,351 ft)	-3250	170 km
Craters of the Moon	Pyroclastic cone(s)	2,005 m (6,578 ft)	-130	191 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BLACK PINE 2 (69,897 acres, 2007).

Year	Name	Acres Burned	Distance
2007	BLACK PINE 2	69,897	83 km
2017	POWERLINE	54,378	86 km
2006	STONE 2	50,677	47 km
2001	UNNAMED	38,647	55 km
1994	ELEVATOR	31,854	11 km
2013	STATE	31,011	10 km
2006	HOGUPS	30,094	89 km
2016	BROAD MOUTH	21,009	13 km
2005	PARK VALLEY	18,700	84 km
2000	FISHER SPRINGS	17,428	93 km
2000	EAST FALL CREEK	17,131	90 km
1996	GOLDEN SPIKE	16,186	54 km
2007	CLEVELAND	16,172	54 km
2000	HOGUP	14,688	95 km
2018	GORING	14,538	17 km
2018	NORTH EDEN	14,398	97 km
2007	COW CANYON	13,447	56 km
2017	WILDCAT	13,100	69 km
1992	MEADOW DIVIDE	12,968	54 km
1998	EAGLE TWO	12,809	94 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	24°F (-4°C)	1.4 in	Coldest
February	27°F (-3°C)	1.3 in
March	36°F (2°C)	1.6 in
April	44°F (7°C)	1.5 in
May	53°F (11°C)	2.0 in	Wettest
June	62°F (17°C)	1.3 in
July	75°F (24°C)	1.0 in	Warmest, Driest
August	70°F (21°C)	1.0 in
September	60°F (15°C)	1.3 in
October	48°F (9°C)	1.5 in
November	35°F (1°C)	1.4 in
December	24°F (-4°C)	1.3 in

Portage has a seasonal temperature swing of 50°F / from 24°F in January to 75°F in July. Total annual precipitation is 16.5 inches, with May being the wettest month (2.0") and July the driest (1.0").

View full profile of Portage, UT →