Weather & Climate in Glenbrook, NV

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

Glenbrook experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 33°F in January while summers reach 63°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 18.5 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 7,057 feet.

Temperature

33°F Jan (0°C) 63°F Jul (17°C)

Annual Average	46.0°F
	15% below US avg
January Average	33°F (0°C)
July Average	63°F (17°C)
Sunny Days	330 days/yr

Geography

Elevation	7,057 ft (2,151 m)
Area	4.0 sq mi (10.4 km²)
Population Density	72/sq mi
Coordinates	39.1001°N, 119.9273°W
Timezone	America/Los_Angeles
County	Carson City County
Nearest Airport	Reno/Tahoe International (RNO) 29 miles away

Precipitation & Snow

Annual Rainfall 18.5"

51% below US avg

Wettest Month (Jan) 4.33"

Driest Month (Jul) 0.39"

Air Quality

AQI Median	41.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	76.2 / 100
Social Vulnerability	20.2 / 100
Community Resilience	17.6 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Moderate
Wildfire	Relatively Moderate
Flood	Relatively Low
Hail	Very Low
Strong Wind	Relatively Low
Heat Wave	Relatively Low
Winter Weather	Relatively High
Lightning	Relatively Low
Drought	Very Low
Cold Wave	No Rating
Landslide	Very Low
Volcano	Very Low
Avalanche	Relatively Low

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

Earthquake History

2,873 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.

Sep 12, 1994	4 km S of Carter Springs, Nevada	M6.1	39 km	14 km
Jul 8, 2021	Antelope Valley, CA	M6.0	76 km	7 km
Oct 24, 1990	3 km NE of Mono City, California	M5.8	135 km	11 km
Aug 10, 2001	3 km N of Blairsden, California	M5.2	99 km	5 km
Sep 12, 1994	8 km ESE of Mesa Vista, California	M5.1	41 km	-1 km
Apr 26, 2008	1 km NW of Mogul, Nevada	M5.1	47 km	3 km
Jul 8, 2021	32km SE of Markleeville, CA	M5.0	75 km	7 km
Dec 22, 1995	California-Nevada border region	M4.9	49 km	4 km
Apr 26, 2008	0 km N of Mogul, Nevada	M4.8	47 km	3 km
Dec 28, 1995	9 km WNW of Topaz Lake, Nevada	M4.8	49 km	-1 km
Oct 30, 1998	4 km N of Tahoe Vista, California	M4.8	23 km	1 km
Oct 1, 2011	7 km SSE of Schurz, Nevada	M4.8	103 km	4 km
Jun 26, 2005	8 km NNW of Tahoe Vista, California	M4.8	27 km	-2 km
Mar 9, 2007	13 km SE of Walker, California	M4.7	89 km	7 km
Dec 23, 1995	8 km WNW of Topaz Lake, Nevada	M4.7	48 km	-1 km
Apr 26, 2008	27km SE of Smith Valley, NV	M4.7	88 km	4 km
May 7, 2021	19km NW of Truckee, CA	M4.7	52 km	10 km
Jul 8, 2021	29km ENE of Dardanelle, CA	M4.6	77 km	2 km
Apr 17, 2011	18 km SW of Hawthorne, Nevada	M4.6	130 km	5 km
Dec 12, 1996	4 km SSW of Topaz Lake, Nevada	M4.6	58 km	-2 km

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

Tornado History

23 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 2 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 15, 2020	EF1	72 km	0.1 mi	0
Aug 14, 2020	EF1	72 km	0.4 mi	0
Jul 16, 1973	EF1	57 km	1.0 mi	0
May 26, 1964	EF1	64 km	2.0 mi	0
Sep 21, 2017	EF0	8 km	0.4 mi	0
Sep 13, 2017	EF0	9 km	2.0 mi	0
Jul 20, 2015	EF0	94 km	3.2 mi	0
Jul 8, 2015	EF0	19 km	2.7 mi	0
Apr 27, 2005	EF0	22 km	0.2 mi	0
Jul 24, 2004	EF0	60 km	0.1 mi	0
Aug 2, 2003	EF0	47 km	0.1 mi	0
Aug 2, 2003	EF0	15 km	0.1 mi	0
Aug 1, 2002	EF0	59 km	0.1 mi	0
Feb 10, 2000	EF0	52 km	0.5 mi	0
Jul 13, 1999	EF0	52 km	0.1 mi	0
Jul 30, 1998	EF0	58 km	2.0 mi	0
Jun 11, 1998	EF0	75 km	0.1 mi	0
Jun 11, 1998	EF0	81 km	0.1 mi	0
Jun 9, 1997	EF0	55 km	0.1 mi	0
Jun 5, 1995	EF0	71 km	0.5 mi	0

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

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Soda Lakes (103 km).

Name	Type	Elevation	Last Eruption	Distance
Soda Lakes	Maar(s)	1,251 m (4,104 ft)	Unknown	103 km
Mono Lake Volcanic Field	Pyroclastic cone(s)	2,121 m (6,959 ft)	1790	145 km
Mono-Inyo Craters	Lava dome(s)	2,796 m (9,173 ft)	1380	164 km
Mammoth Mountain	Lava dome(s)	3,369 m (11,053 ft)	1260	181 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CALDOR (226,583 acres, 2021).

Year	Name	Acres Burned	Distance
2021	CALDOR	226,583	52 km
2021	SUGAR	108,368	98 km
2014	KING	99,070	56 km
2017	TRUCKEE	98,411	98 km
2017	LONG VALLEY	80,456	99 km
2022	MOSQUITO	77,858	66 km
2021	TAMARACK	70,171	48 km
2018	PERRY	53,734	86 km
1994	COTTONWOOD	47,912	60 km
2020	LOYALTON	45,484	69 km
2018	DONNELL	36,151	80 km
2017	EARTHSTONE	35,305	65 km
2020	NORTH	34,120	84 km
1985	GOOSEBERRY	29,290	64 km
2013	AMERICAN	27,938	57 km
2020	SLINK	26,437	72 km
2013	BISON	23,611	43 km
2002	CANNON	23,605	81 km
1992	CLEVELAND	21,835	53 km
2008	AMERICAN RIVER COMPLEX (GOVERNMENT)	20,709	59 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (0°C)	4.3 in	Wettest
February	32°F (-0°C)	3.8 in	Coldest
March	34°F (1°C)	3.1 in
April	39°F (4°C)	1.4 in
May	46°F (8°C)	1.1 in
June	54°F (12°C)	0.8 in
July	63°F (17°C)	0.4 in	Warmest, Driest
August	62°F (16°C)	0.6 in
September	55°F (13°C)	0.8 in
October	47°F (8°C)	1.4 in
November	37°F (3°C)	3.2 in
December	32°F (-0°C)	3.5 in

Glenbrook has a seasonal temperature swing of 32°F / from 32°F in February to 63°F in July. Total annual precipitation is 24.5 inches, with January being the wettest month (4.3") and July the driest (0.4").

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