Weather & Climate in Altamont, UT

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

Altamont has a cool climate with an average annual temperature of 42°F (6°C). Winters average 18°F in January while summers reach 67°F in July. The area gets 322 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 9.4 inches (drier than the 38-inch national average). The area receives 38.7 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 6,391 feet.

Temperature

18°F Jan (-8°C) 67°F Jul (19°C)

Annual Average	42.2°F
	22% below US avg
January Average	18°F (-8°C)
July Average	67°F (19°C)
Sunny Days	322 days/yr

Geography

Elevation	6,391 ft (1,948 m)
Area	0.1 sq mi (0.4 km²)
Population Density	1,857/sq mi
Coordinates	40.3590°N, 110.2880°W
Timezone	America/Denver
County	Duchesne County County
Nearest Airport	Vernal Regional (VEL) 41 miles away

Precipitation & Snow

Annual Rainfall 9.4"

75% below US avg

Snowfall 38.7"

Wettest Month (Aug) 1.14"

Driest Month (Jan) 0.67"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	7.6 / 100
Social Vulnerability	10.6 / 100
Community Resilience	31.5 / 100

Hazard Breakdown

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

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

Earthquake History

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

Mar 20, 1995	10 km NNW of Rangely, Colorado	M4.5	122 km	-3 km
Jan 30, 2000	8 km ESE of Little America, Wyoming	M4.3	135 km	5 km
Mar 16, 1992	6 km S of Herriman, Utah	M4.2	149 km	12 km
Mar 7, 2000	7 km N of Helper, Utah	M4.2	82 km	-3 km
Jun 29, 2014	6 km SE of Spring City, Utah	M4.2	141 km	9 km
May 20, 1995	434km E of Wendover, Utah	M4.1	114 km	4 km
May 25, 2016	15 km NNE of Tabiona, Utah	M4.0	34 km	16 km
Apr 7, 1990	28 km WNW of Bonanza, Utah	M4.0	74 km	11 km
May 1, 2025	4 km WNW of Independence, Utah	M3.9	86 km	14 km
Jan 6, 1996	15 km SE of Castle Dale, Utah	M3.9	145 km	6 km
Feb 6, 1991	7 km WNW of Hiawatha, Utah	M3.8	116 km	5 km
Apr 22, 2017	4 km NW of Rangely, Colorado	M3.8	126 km	7 km
Feb 5, 1998	7 km N of Helper, Utah	M3.8	82 km	-2 km
Nov 8, 1991	17 km WNW of Bonanza, Utah	M3.7	85 km	4 km
Feb 15, 2019	3 km SSW of Bluffdale, Utah	M3.7	141 km	9 km
Mar 2, 1991	27 km SSW of Jensen, Utah	M3.7	74 km	-3 km
Jun 9, 2021	17 km E of Independence, Utah	M3.7	65 km	10 km
Feb 4, 2012	12 km E of Woodland Hills, Utah	M3.6	111 km	13 km
Jun 3, 1992	14 km NW of Orangeville, Utah	M3.6	137 km	3 km
Jul 11, 1992	12 km NW of Orangeville, Utah	M3.6	136 km	8 km

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

Tornado History

18 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Aug 11, 1993	EF3	15 km	17.0 mi	0
Jun 19, 2022	EF2	66 km	2.1 mi	0
May 10, 1950	EF2	92 km	2.0 mi	0
Sep 3, 1999	EF1	64 km	4.0 mi	0
Jun 1, 1955	EF1	62 km	0.1 mi	0
May 28, 2018	EF0	76 km	0.3 mi	0
Jun 16, 2015	EF0	92 km	1.0 mi	0
Jul 26, 2010	EF0	99 km	0.1 mi	0
Aug 6, 2009	EF0	53 km	2.2 mi	0
Aug 6, 2009	EF0	64 km	0.5 mi	0
Jun 23, 2005	EF0	31 km	0.5 mi	0
Aug 21, 2001	EF0	82 km	2.0 mi	0
Jul 25, 2001	EF0	96 km	0.5 mi	0
May 5, 1993	EF0	74 km	0.1 mi	0
Jul 8, 1990	EF0	26 km	0.2 mi	0
Mar 23, 1990	EF0	67 km	0.2 mi	0
May 29, 1988	EF0	42 km	0.2 mi	0
Sep 11, 1984	EF0	30 km	0.1 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: EAST FORK (106,432 acres, 2020).

Year	Name	Acres Burned	Distance
2020	EAST FORK	106,432	38 km
2018	DOLLAR RIDGE	69,817	57 km
2007	NEOLA NORTH	46,909	33 km
2018	COAL HOLLOW	30,239	99 km
1988	WHITEROCKS	18,885	39 km
2002	GARDEN VALLEY COMPLEX (EAST FORK)	14,245	68 km
2021	BEAR	12,660	87 km
2017	TANK HOLLOW	11,003	91 km
2021	BENNION CREEK	8,314	97 km
2012	CHURCH CAMP	7,016	61 km
2003	CHERRY CREEK 2	6,443	100 km
1989	UINTA CANYON	5,834	35 km
2005	NORTH NEOLA	5,195	27 km
2018	MURDOCK	5,169	59 km
1985	WEYMAN	5,058	69 km
2016	BOX CANYON	4,479	76 km
2005	SHEEP CREEK WFU	4,128	65 km
2002	PRICE CANYON	3,118	82 km
2014	TAYLOR MOUNTAIN ROAD	2,965	64 km
2002	GARDER CANYON	2,687	62 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	18°F (-8°C)	0.7 in	Coldest, Driest
February	24°F (-4°C)	0.7 in
March	34°F (1°C)	0.7 in
April	42°F (5°C)	0.8 in
May	51°F (11°C)	1.1 in
June	60°F (16°C)	0.9 in
July	67°F (19°C)	1.0 in	Warmest
August	66°F (19°C)	1.1 in	Wettest
September	57°F (14°C)	1.1 in
October	46°F (8°C)	1.1 in
November	32°F (-0°C)	0.8 in
December	22°F (-6°C)	0.7 in

Altamont has a seasonal temperature swing of 49°F / from 18°F in January to 67°F in July. Total annual precipitation is 10.6 inches, with August being the wettest month (1.1") and January the driest (0.7").

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