Weather & Climate in Twentynine Palms, CA

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

Twentynine Palms enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 53°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 3.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 2,120 feet.

Temperature

53°F Jan (11°C) 91°F Jul (33°C)

Annual Average	70.3°F
	30% above US avg
January Average	53°F (11°C)
July Average	91°F (33°C)
Sunny Days	330 days/yr

Geography

Elevation	2,120 ft (646 m)
Area	59.1 sq mi (153.2 km²)
Population Density	489/sq mi
Coordinates	34.1478°N, 116.0660°W
Timezone	America/Los_Angeles
County	San Bernardino County County
Nearest Airport	Palm Springs International (PSP) 33 miles away

Precipitation & Snow

Annual Rainfall 3.9"

90% below US avg

Wettest Month (Jan) 1.22"

Driest Month (Jun) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very High
Risk Score	99.8 / 100
Social Vulnerability	33.2 / 100
Community Resilience	20.1 / 100

Hazard Breakdown

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

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

Earthquake History

12,550 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992	The 1992 Landers, California Earthquake	M7.3	35 km	0 km
Oct 16, 1999	The 1999 Hector Mine, California Earthquake	M7.1	54 km	14 km
Jun 28, 1992	The 1992 Big Bear, California Earthquake	M6.3	70 km	4 km
Apr 23, 1992	The 1992 Joshua Tree, California Earthquake	M6.1	31 km	12 km
Oct 16, 1999	13km WSW of Ludlow, CA	M5.8	62 km	14 km
Jun 28, 1992	3km NE of Yucca Valley, California	M5.8	32 km	-1 km
Jun 28, 1992	2km SSW of Joshua Tree, California	M5.7	24 km	6 km
Jun 29, 1992	3km ESE of Yucca Valley, California	M5.7	31 km	10 km
Oct 16, 1999	7km ENE of Running Springs, CA	M5.6	90 km	6 km
Jun 28, 1992	11km SSE of Big Bear Lake, California	M5.5	72 km	10 km
Jun 28, 1992	0km E of Yucca Valley, CA	M5.5	33 km	8 km
Jul 7, 2010	20km NNW of Borrego Springs, CA	M5.4	90 km	12 km
Jul 5, 1992	21km SW of Ludlow, California	M5.4	54 km	5 km
Jun 28, 1992	26km NNW of Yucca Valley, CA	M5.4	46 km	4 km
Aug 26, 2012	4km NNW of Brawley, CA	M5.4	135 km	8 km
Oct 16, 1999	32km SSW of Ludlow, California	M5.4	37 km	1 km
Jul 1, 1992	24km N of Yucca Valley, California	M5.3	42 km	5 km
Aug 26, 2012	5km NNW of Brawley, CA	M5.3	134 km	8 km
Nov 27, 1992	10km NNW of Big Bear City, California	M5.3	80 km	0 km
Dec 4, 1992	10km SE of Lucerne Valley, California	M5.3	80 km	1 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: 12 injuries.

Date	Rating	Distance	Path	Fatalities
Feb 9, 1978	EF3	59 km	2.0 mi	0
Sep 7, 1982	EF2	29 km	0.5 mi	0
Aug 6, 2015	EF1	65 km	4.0 mi	0
Aug 4, 2008	EF1	53 km	1.1 mi	0
Dec 22, 1996	EF1	71 km	0.1 mi	0
Oct 22, 1974	EF1	28 km	0.1 mi	0
Jul 20, 1974	EF1	93 km	1.0 mi	0
Aug 16, 2018	EF0	87 km	0.2 mi	0
Jul 19, 2015	EF0	35 km	0.2 mi	0
Apr 21, 2015	EF0	73 km	10.0 mi	0
Jul 23, 2005	EF0	94 km	2.0 mi	0
Jan 9, 2005	EF0	96 km	0.1 mi	0
Aug 14, 2004	EF0	48 km	1.0 mi	0
Jul 7, 2001	EF0	24 km	1.0 mi	0
Aug 12, 1994	EF0	89 km	0.1 mi	0
Jul 27, 1987	EF0	3 km	1.5 mi	0
Sep 18, 1985	EF0	71 km	0.1 mi	0
Aug 1, 1983	EF0	38 km	0.3 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (114 km).

Name	Type	Elevation	Last Eruption	Distance
Salton Buttes	Lava dome(s)	-40 m (-131 ft)	210	114 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: MILLARD (86,585 acres, 2006).

Year	Name	Acres Burned	Distance
2006	MILLARD	86,585	51 km
1999	WILLOW	63,525	98 km
2006	ESPERANZA	40,566	81 km
2020	APPLE	32,374	75 km
2015	LAKE	30,421	64 km
2022	FAIRVIEW	28,680	91 km
2013	MOUNTAIN	28,202	70 km
1998	EDNA	27,561	90 km
2020	EL DORADO	22,300	83 km
1995	VERBENIA	21,601	58 km
1994	PALM	21,040	70 km
2013	SILVER	20,863	74 km
2003	COYOTE	19,215	97 km
2007	BUTLER 2	14,661	87 km
1985	CABANZO	14,091	61 km
1999	JUNIPER COMPLEX (FIRE #3)	13,479	21 km
2007	SLIDE	13,190	94 km
2018	CRANSTON	13,096	76 km
1996	WOLFSKILL	13,015	87 km
1994	DEVILS	12,778	98 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	53°F (11°C)	1.2 in	Wettest
February	50°F (10°C)	1.1 in
March	54°F (12°C)	1.1 in
April	60°F (16°C)	0.4 in
May	68°F (20°C)	0.2 in
June	77°F (25°C)	0.0 in	Driest
July	91°F (33°C)	0.6 in	Warmest
August	82°F (28°C)	0.9 in
September	76°F (24°C)	0.6 in
October	65°F (19°C)	0.5 in
November	54°F (12°C)	0.8 in
December	47°F (8°C)	1.1 in	Coldest

Twentynine Palms has a seasonal temperature swing of 44°F / from 47°F in December to 91°F in July. Total annual precipitation is 8.7 inches, with January being the wettest month (1.2") and June the driest (0.0").

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