Weather & Climate in Avon, UT

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

Avon experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 71°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 17.8 inches (drier than the 38-inch national average). The area receives 51.6 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 5,042 feet.

Temperature

22°F Jan (-6°C) 71°F Jul (22°C)

Annual Average	46.1°F
	15% below US avg
January Average	22°F (-6°C)
July Average	71°F (22°C)
Sunny Days	316 days/yr

Geography

Elevation	5,042 ft (1,537 m)
Area	7.1 sq mi (18.4 km²)
Population Density	70/sq mi
Coordinates	41.5353°N, 111.8124°W
Timezone	America/Denver
County	Cache County County
Nearest Airport	Brigham City Regional (BMC) 13 miles away

Precipitation & Snow

Annual Rainfall 17.8"

53% below US avg

Snowfall 51.6"

Wettest Month (May) 2.01"

Driest Month (Jul) 1.02"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	66.5 / 100
Social Vulnerability	10.6 / 100
Community Resilience	76.5 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Moderate
Wildfire	Relatively Low
Flood	Relatively Low
Hail	Very Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Relatively High
Lightning	Relatively High
Ice Storm	Very Low
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Relatively Low
Avalanche	Relatively High

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

Earthquake History

1,197 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	90 km	12 km
Sep 2, 2017	12 km E of Soda Springs, Idaho	M5.3	127 km	10 km
Sep 10, 2017	9 km NNW of Georgetown, Idaho	M5.0	119 km	10 km
Apr 15, 2010	9 km NE of Randolph, Utah	M4.9	63 km	10 km
Sep 3, 2017	15 km ESE of Soda Springs, Idaho	M4.7	124 km	10 km
Sep 11, 2017	9 km NW of Georgetown, Idaho	M4.7	117 km	8 km
Feb 4, 1994	4 km WNW of Fairview, Wyoming	M4.7	146 km	5 km
Sep 10, 2017	12 km ESE of Soda Springs, Idaho	M4.7	123 km	5 km
Sep 3, 2017	10 km E of Soda Springs, Idaho	M4.7	126 km	8 km
Nov 4, 1992	67 km ENE of Montello, Nevada	M4.7	137 km	9 km
Sep 6, 2017	11 km NNW of Georgetown, Idaho	M4.6	119 km	10 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	89 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	90 km	11 km
Feb 7, 1994	4 km SW of Fairview, Wyoming	M4.5	141 km	5 km
Sep 4, 2017	13 km ESE of Soda Springs, Idaho	M4.5	124 km	6 km
Jan 26, 2018	5 km NNW of Georgetown, Idaho	M4.4	116 km	10 km
Feb 3, 1994	13 km WSW of Auburn, Wyoming	M4.4	144 km	5 km
May 5, 2024	16 km SW of Thatcher, Utah	M4.4	51 km	7 km
Sep 5, 2017	12 km NNW of Georgetown, Idaho	M4.3	120 km	3 km
Sep 5, 2017	13 km NNW of Georgetown, Idaho	M4.3	122 km	6 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	90 km	4.3 mi	1
Aug 14, 1968	EF2	39 km	1.5 mi	0
Feb 9, 1965	EF2	94 km	0.1 mi	0
Jun 3, 1963	EF2	73 km	2.0 mi	0
Sep 2, 2021	EF1	76 km	2.1 mi	0
Sep 22, 2016	EF1	45 km	2.9 mi	0
Aug 20, 1998	EF1	45 km	0.1 mi	0
May 29, 1996	EF1	29 km	1.3 mi	0
Jun 2, 1993	EF1	79 km	1.0 mi	0
Sep 23, 1992	EF1	55 km	2.0 mi	0
Sep 17, 1989	EF1	51 km	0.2 mi	0
Mar 2, 1989	EF1	96 km	0.2 mi	0
May 29, 1987	EF1	50 km	0.2 mi	0
May 21, 1986	EF1	99 km	0.5 mi	0
May 21, 1986	EF1	78 km	5.0 mi	0
Jun 30, 1982	EF1	63 km	1.2 mi	0
May 6, 1981	EF1	40 km	0.5 mi	0
Aug 14, 1968	EF1	85 km	0.1 mi	0
Jun 23, 1965	EF1	55 km	0.6 mi	0
May 25, 1954	EF1	52 km	0.5 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	—	79 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Wapi Lava Field (189 km).

Name	Type	Elevation	Last Eruption	Distance
Wapi Lava Field	Shield	1,604 m (5,262 ft)	-300	189 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (38,647 acres, 2001).

Year	Name	Acres Burned	Distance
2001	UNNAMED	38,647	59 km
1994	ELEVATOR	31,854	69 km
2013	STATE	31,011	70 km
2016	BROAD MOUTH	21,009	55 km
2000	CASTLEROCK	16,718	96 km
1996	GOLDEN SPIKE	16,186	62 km
2007	CLEVELAND	16,172	86 km
2016	WEST ANTELOPE	15,483	76 km
1999	BRIDGER BA	15,227	76 km
2018	GORING	14,538	57 km
2018	NORTH EDEN	14,398	78 km
2020	TABBY CANYON	14,330	96 km
2007	RED CANYON RX BURN-H	13,464	89 km
2000	TAYLOR	12,633	87 km
1988	METCALF	11,946	95 km
1994	DRY CANYON 2	10,927	46 km
1984	RAVEN	9,848	96 km
1994	HANSEL VALLEY MT.	8,695	69 km
1998	POCATELLO VALLEY	8,483	90 km
1994	JOHNSON CANYON	8,244	52 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	22°F (-6°C)	1.5 in	Coldest
February	25°F (-4°C)	1.5 in
March	33°F (0°C)	1.8 in
April	40°F (5°C)	1.9 in
May	49°F (9°C)	2.0 in	Wettest
June	58°F (14°C)	1.3 in
July	71°F (22°C)	1.0 in	Warmest, Driest
August	65°F (18°C)	1.1 in
September	56°F (13°C)	1.5 in
October	45°F (7°C)	1.7 in
November	32°F (0°C)	1.7 in
December	23°F (-5°C)	1.5 in

Avon has a seasonal temperature swing of 49°F / from 22°F in January to 71°F in July. Total annual precipitation is 18.5 inches, with May being the wettest month (2.0") and July the driest (1.0").

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