Weather & Climate in Ephraim, UT

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

Ephraim experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 71°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 11.7 inches (drier than the 38-inch national average). The area receives 19.8 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 5,557 feet.

Temperature

24°F Jan (-5°C) 71°F Jul (22°C)

Annual Average	46.9°F
	13% below US avg
January Average	24°F (-5°C)
July Average	71°F (22°C)
Sunny Days	330 days/yr

Geography

Elevation	5,557 ft (1,694 m)
Area	3.7 sq mi (9.5 km²)
Population Density	1,134/sq mi
Coordinates	39.3562°N, 111.5847°W
Timezone	America/Denver
County	Sanpete County County
Nearest Airport	Carbon County Regional/Buck Davis Field (PUC) 48 miles away

Precipitation & Snow

Annual Rainfall 11.7"

69% below US avg

Snowfall 19.8"

Wettest Month (Mar) 1.46"

Driest Month (Jun) 0.79"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	38.6 / 100
Social Vulnerability	38.0 / 100
Community Resilience	52.6 / 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

716 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

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	149 km	12 km
Jun 24, 1992	30 km WSW of Emery, Utah	M4.3	63 km	5 km
Apr 17, 2003	6 km SSW of Levan, Utah	M4.2	31 km	1 km
Jul 19, 2001	31 km NNE of Fremont, Utah	M4.2	69 km	7 km
Mar 16, 1992	6 km S of Herriman, Utah	M4.2	129 km	12 km
Mar 7, 2000	7 km N of Helper, Utah	M4.2	77 km	-3 km
Jun 29, 2014	6 km SE of Spring City, Utah	M4.2	16 km	9 km
Apr 14, 2019	28 km W of Kanosh, Utah	M4.1	121 km	1 km
Feb 20, 2019	8 km SW of Kanosh, Utah	M4.0	105 km	8 km
May 25, 2016	15 km NNE of Tabiona, Utah	M4.0	149 km	16 km
Feb 23, 2001	12 km SW of Kanosh, Utah	M4.0	109 km	2 km
May 1, 2025	4 km WNW of Independence, Utah	M3.9	110 km	14 km
Jan 6, 1996	15 km SE of Castle Dale, Utah	M3.9	67 km	6 km
Feb 5, 1998	7 km N of Helper, Utah	M3.8	77 km	-2 km
Oct 11, 1999	2 km W of Glenwood, Utah	M3.8	76 km	9 km
Feb 6, 1991	7 km WNW of Hiawatha, Utah	M3.8	46 km	5 km
Dec 22, 1999	31 km SW of Emery, Utah	M3.7	67 km	2 km
Feb 15, 2019	3 km SSW of Bluffdale, Utah	M3.7	127 km	9 km
Jan 8, 1999	31 km SW of Emery, Utah	M3.7	66 km	5 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Jun 19, 2022	EF2	93 km	2.1 mi	0
Sep 8, 2002	EF2	10 km	2.7 mi	0
Nov 2, 1967	EF2	56 km	0.1 mi	0
Jun 16, 1955	EF2	25 km	2.7 mi	0
Apr 19, 1970	EF1	84 km	1.5 mi	0
Apr 17, 1966	EF1	88 km	0.1 mi	0
Aug 28, 1964	EF1	31 km	0.1 mi	0
Aug 7, 1957	EF1	51 km	1.5 mi	0
May 28, 2018	EF0	96 km	0.3 mi	0
Jul 26, 2010	EF0	75 km	0.1 mi	0
Jun 25, 2005	EF0	28 km	0.5 mi	0
Jun 9, 2003	EF0	78 km	0.1 mi	0
Sep 12, 2002	EF0	2 km	0.1 mi	0
Sep 8, 2002	EF0	32 km	0.2 mi	0
Aug 8, 2001	EF0	33 km	2.0 mi	0
Jul 25, 2001	EF0	71 km	0.5 mi	0
May 28, 1996	EF0	78 km	0.2 mi	0
Jun 7, 1989	EF0	88 km	0.2 mi	0
Aug 15, 1984	EF0	20 km	0.1 mi	0
Aug 13, 1984	EF0	91 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 (90 km).

Name	Type	Elevation	Last Eruption	Distance
Black Rock Desert	Volcanic field	1,800 m (5,906 ft)	1290	90 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	70 km
2012	CLAY SPRINGS	107,391	59 km
2018	POLE CREEK	102,426	70 km
2020	CANAL	74,897	60 km
1999	RAILROAD	64,598	71 km
2012	WOOD HOLLOW	46,763	41 km
2012	SEELEY	44,626	47 km
2018	COAL HOLLOW	30,239	68 km
2000	OLDROYD COMPLEX (MONA WEST)	28,774	63 km
1996	LEAMINGTON COMPLEX (LEAMINGTON)	28,159	53 km
2007	SALT CREEK	26,924	40 km
2018	BALD MOUNTAIN	21,016	64 km
1996	LEAMINGTON COMPLEX (EAST SAGE)	18,360	42 km
2018	TRAIL MOUNTAIN	18,342	36 km
2012	GREASE	16,155	72 km
1996	ADELAIDE COMPLEX (ADALAIDE)	15,638	91 km
2005	WEST GILSON	15,483	68 km
2000	OLDROYD COMPLEX (BROAD)	15,208	60 km
2006	DEVILS DEN	13,680	59 km
2021	BEAR	12,660	72 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	24°F (-5°C)	1.2 in	Coldest
February	30°F (-1°C)	1.2 in
March	39°F (4°C)	1.5 in	Wettest
April	46°F (8°C)	1.3 in
May	55°F (13°C)	1.4 in
June	64°F (18°C)	0.8 in	Driest
July	71°F (22°C)	0.9 in	Warmest
August	69°F (21°C)	0.9 in
September	61°F (16°C)	1.2 in
October	49°F (10°C)	1.4 in
November	37°F (3°C)	1.2 in
December	26°F (-3°C)	1.0 in

Ephraim has a seasonal temperature swing of 48°F / from 24°F in January to 71°F in July. Total annual precipitation is 13.9 inches, with March being the wettest month (1.5") and June the driest (0.8").

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