Weather & Climate in Beaver Dam, AZ

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

Beaver Dam enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 47°F in January while summers reach 91°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 7.0 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 1,886 feet.

Temperature

47°F Jan (9°C) 91°F Jul (33°C)

Annual Average	68.1°F
	26% above US avg
January Average	47°F (9°C)
July Average	91°F (33°C)
Sunny Days	330 days/yr

Geography

Elevation	1,886 ft (575 m)
Area	8.5 sq mi (22.0 km²)
Population Density	187/sq mi
Coordinates	36.9070°N, 113.9362°W
Timezone	America/Phoenix
County	Washington County County
Nearest Airport	St George Regional (SGU) 25 miles away

Precipitation & Snow

Annual Rainfall 7.0"

82% below US avg

Wettest Month (Mar) 1.02"

Driest Month (Jun) 0.20"

Air Quality

AQI Median	45.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	92.8 / 100
Social Vulnerability	20.8 / 100
Community Resilience	45.1 / 100

Hazard Breakdown

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

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

Earthquake History

604 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.

Sep 2, 1992	3 km SSE of Washington, Utah	M5.9	45 km	14 km
May 22, 2015	37 km SSW of Caliente, Nevada	M5.3	77 km	4 km
Aug 4, 1992	22 km SE of Alamo, Nevada	M4.6	99 km	5 km
May 16, 2004	30 km ESE of Alamo, Nevada	M4.5	90 km	0 km
Jul 29, 2024	24 km S of Brian Head, Utah	M4.5	115 km	20 km
Jun 20, 2006	45 km SSW of Caliente, Nevada	M4.4	75 km	0 km
Sep 19, 2022	45 km ESE of Littlefield, Arizona	M4.4	47 km	10 km
Jun 30, 2008	36 km SSE of Caliente, Nevada	M4.3	58 km	0 km
Mar 24, 2002	41 km SSE of Alamo, Nevada	M4.3	100 km	9 km
Jan 15, 2016	19 km WSW of Enterprise, Utah	M4.2	67 km	1 km
Jan 2, 1998	9 km S of Alamo, Nevada	M4.2	116 km	5 km
Jun 30, 2019	6 km E of Panaca, Nevada	M4.2	103 km	3 km
Jun 29, 1992	12 km WNW of Cedar City, Utah	M4.2	113 km	-3 km
Jun 29, 1992	12 km WNW of Cedar City, Utah	M4.2	110 km	7 km
Jan 28, 2014	37 km W of Veyo, Utah	M4.1	49 km	7 km
Nov 8, 2009	32 km S of Caliente, Nevada	M4.1	66 km	0 km
Jan 4, 2010	8 km S of Cedar City, Utah	M4.1	110 km	9 km
Jan 29, 2014	37 km W of Veyo, Utah	M4.0	49 km	7 km
Jun 6, 2025	40 km SSW of Caliente, Nevada	M4.0	74 km	4 km
Aug 18, 2007	35 km WSW of Minersville, Utah	M3.9	141 km	7 km

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

Tornado History

11 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1.

Date	Rating	Distance	Path	Fatalities
Sep 17, 1989	EF1	67 km	0.5 mi	0
May 30, 1986	EF1	89 km	3.5 mi	0
Dec 27, 1983	EF1	86 km	0.4 mi	0
Aug 12, 1976	EF1	85 km	0.1 mi	0
Jul 24, 2012	EF0	82 km	0.7 mi	0
Aug 24, 2011	EF0	70 km	1.1 mi	0
Jul 23, 1998	EF0	89 km	0.1 mi	0
Apr 26, 1994	EF0	28 km	3.0 mi	0
Aug 31, 1992	EF0	43 km	0.3 mi	0
Jul 22, 1984	EF0	92 km	0.1 mi	0
Jul 14, 1953	EF0	90 km	0.1 mi	0

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

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Uinkaret Field (93 km).

Name	Type	Elevation	Last Eruption	Distance
Uinkaret Field	Volcanic field	1,555 m (5,102 ft)	1100	93 km
Markagunt Plateau	Volcanic field	2,840 m (9,318 ft)	1050	135 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: SOUTHERN NEVADA COMPLEX (DUZAK) (327,156 acres, 2005).

Year	Name	Acres Burned	Distance
2005	SOUTHERN NEVADA COMPLEX (DUZAK)	327,156	50 km
2005	DELAMAR	172,390	85 km
2005	SOUTHERN NEVADA COMPLEX (MEADOW VALLEY)	150,019	67 km
2020	MEADOW VALLEY	59,254	67 km
2005	WESTSIDE COMPLEX	58,767	29 km
2006	JARVIS	49,636	21 km
2005	COW	44,460	36 km
2005	FORK	43,665	79 km
1994	GREGERSON	41,233	89 km
2012	DEL FIRE	39,029	90 km
2020	BASIN	38,588	40 km
2005	TWEEDY POINT	36,126	41 km
2012	HOBBLE COMPLEX	35,205	41 km
2004	HAWKINS	34,259	64 km
2003	APEX	31,000	29 km
1993	MEADOW	30,199	67 km
2005	MT BANGS COMPLEX	29,605	23 km
2005	SOUTHERN NEVADA COMPLEX (TRAMP)	27,560	64 km
2006	BULL COMPLEX	27,458	54 km
2005	TANK COMPLEX	24,268	66 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	47°F (9°C)	0.9 in
February	49°F (9°C)	0.9 in
March	54°F (12°C)	1.0 in	Wettest
April	61°F (16°C)	0.5 in
May	71°F (22°C)	0.3 in
June	81°F (27°C)	0.2 in	Driest
July	91°F (33°C)	0.6 in	Warmest
August	85°F (30°C)	0.8 in
September	78°F (25°C)	0.6 in
October	66°F (19°C)	0.6 in
November	53°F (11°C)	0.7 in
December	44°F (7°C)	0.6 in	Coldest

Beaver Dam has a seasonal temperature swing of 47°F / from 44°F in December to 91°F in July. Total annual precipitation is 7.8 inches, with March being the wettest month (1.0") and June the driest (0.2").

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