Weather & Climate in Nephi, UT

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

Nephi 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 5,140 feet.

Temperature

28°F Jan (-2°C) 75°F Jul (24°C)

Annual Average	50.5°F
	6% below US avg
January Average	28°F (-2°C)
July Average	75°F (24°C)
Sunny Days	330 days/yr

Geography

Elevation	5,140 ft (1,567 m)
Area	4.6 sq mi (11.8 km²)
Population Density	1,223/sq mi
Coordinates	39.7047°N, 111.8334°W
Timezone	America/Denver
County	Sanpete County County
Nearest Airport	Carbon County Regional/Buck Davis Field (PUC) 58 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 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

774 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	118 km	12 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	119 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	118 km	11 km
Jun 24, 1992	30 km WSW of Emery, Utah	M4.3	105 km	5 km
Apr 17, 2003	6 km SSW of Levan, Utah	M4.2	23 km	1 km
Apr 16, 2020	4 km NE of Magna, Utah	M4.2	116 km	10 km
Mar 16, 1992	6 km S of Herriman, Utah	M4.2	86 km	12 km
Mar 18, 2020	1 km NNW of Magna, Utah	M4.2	116 km	9 km
Apr 15, 2020	4 km NE of Magna, Utah	M4.2	116 km	9 km
Jul 19, 2001	31 km NNE of Fremont, Utah	M4.2	110 km	7 km
Mar 7, 2000	7 km N of Helper, Utah	M4.2	85 km	-3 km
Jun 29, 2014	6 km SE of Spring City, Utah	M4.2	45 km	9 km
Apr 14, 2019	28 km W of Kanosh, Utah	M4.1	131 km	1 km
Feb 20, 2019	8 km SW of Kanosh, Utah	M4.0	122 km	8 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	118 km	7 km
Feb 23, 2001	12 km SW of Kanosh, Utah	M4.0	126 km	2 km
May 1, 2025	4 km WNW of Independence, Utah	M3.9	82 km	14 km
Mar 23, 2020	8 km NNE of Magna, Utah	M3.9	121 km	10 km
Mar 18, 2020	4 km NNE of Magna, Utah	M3.9	118 km	9 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Jun 19, 2022	EF2	95 km	2.1 mi	0
Sep 8, 2002	EF2	51 km	2.7 mi	0
Jun 16, 1955	EF2	53 km	2.7 mi	0
Jul 8, 1989	EF1	100 km	0.2 mi	0
Jan 10, 1989	EF1	97 km	0.2 mi	0
Dec 2, 1970	EF1	80 km	1.0 mi	0
Apr 17, 1966	EF1	54 km	0.1 mi	0
Jul 9, 1965	EF1	77 km	0.4 mi	0
Aug 28, 1964	EF1	62 km	0.1 mi	0
Aug 7, 1957	EF1	84 km	1.5 mi	0
May 28, 2018	EF0	77 km	0.3 mi	0
Sep 7, 2013	EF0	77 km	0.1 mi	0
Jul 26, 2010	EF0	95 km	0.1 mi	0
Jun 25, 2005	EF0	38 km	0.5 mi	0
May 30, 2005	EF0	75 km	0.2 mi	0
Jun 9, 2003	EF0	39 km	0.1 mi	0
Sep 12, 2002	EF0	43 km	0.1 mi	0
Sep 8, 2002	EF0	64 km	0.2 mi	0
Aug 8, 2001	EF0	36 km	2.0 mi	0
Jul 25, 2001	EF0	88 km	0.5 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Black Rock Desert (100 km).

Name	Type	Elevation	Last Eruption	Distance
Black Rock Desert	Volcanic field	1,800 m (5,906 ft)	1290	100 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	33 km
2012	CLAY SPRINGS	107,391	47 km
2018	POLE CREEK	102,426	40 km
2020	CANAL	74,897	39 km
2018	DOLLAR RIDGE	69,817	93 km
1999	RAILROAD	64,598	36 km
2012	WOOD HOLLOW	46,763	25 km
2012	SEELEY	44,626	63 km
1994	SIMPSON BT	36,917	92 km
2017	DAVIS	35,071	89 km
1996	DAVIS KNOLL COMPLEX (DAVIS KNOLL)	34,843	91 km
2018	COAL HOLLOW	30,239	51 km
2000	OLDROYD COMPLEX (MONA WEST)	28,774	19 km
1996	LEAMINGTON COMPLEX (LEAMINGTON)	28,159	38 km
2007	SALT CREEK	26,924	14 km
2012	FAUST	22,155	84 km
2005	DITTO	22,041	97 km
2018	BALD MOUNTAIN	21,016	27 km
1996	LEAMINGTON COMPLEX (EAST SAGE)	18,360	14 km
2018	TRAIL MOUNTAIN	18,342	65 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

Nephi 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").

View full profile of Nephi, UT →