Weather & Climate in La Mirada, CA

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

La Mirada enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 57°F in January while summers reach 73°F in July / relatively mild seasonal variation. 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 12.0 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 154 feet.

Temperature

57°F Jan (14°C) 73°F Jul (23°C)

Annual Average	64.9°F
	20% above US avg
January Average	57°F (14°C)
July Average	73°F (23°C)
Sunny Days	330 days/yr

Geography

Elevation	154 ft (47 m)
Area	7.8 sq mi (20.3 km²)
Population Density	6,003/sq mi
Coordinates	33.9020°N, 118.0090°W
Timezone	America/Los_Angeles
County	Orange County County
Nearest Airport	John Wayne/Orange County (SNA) 18 miles away

Precipitation & Snow

Annual Rainfall 12.0"

68% below US avg

Wettest Month (Feb) 3.31"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very High
Risk Score	99.8 / 100
Social Vulnerability	24.9 / 100
Community Resilience	16.3 / 100

Hazard Breakdown

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

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

Earthquake History

7,375 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992	The 1992 Landers, California Earthquake	M7.3	149 km	0 km
Jan 17, 1994	Northridge, California, earthquake	M6.7	60 km	18 km
Jun 28, 1992	The 1992 Big Bear, California Earthquake	M6.3	114 km	4 km
Jan 17, 1994	1km ENE of Granada Hills, California	M5.9	61 km	5 km
Jun 28, 1991	The 1991 Sierra Madre, California Earthquake	M5.8	41 km	8 km
Jun 28, 1992	3km NE of Yucca Valley, California	M5.8	150 km	-1 km
Jun 29, 1992	3km ESE of Yucca Valley, California	M5.7	150 km	10 km
Jul 11, 1992	12km NW of California City, California	M5.7	146 km	10 km
Oct 16, 1999	7km ENE of Running Springs, CA	M5.6	97 km	6 km
Jan 17, 1994	7km NNE of Simi Valley, California	M5.6	79 km	9 km
Jun 28, 1992	11km SSE of Big Bear Lake, California	M5.5	111 km	10 km
Feb 28, 1990	The 1990 Upland, California Earthquake	M5.5	39 km	3 km
Jun 28, 1992	0km E of Yucca Valley, CA	M5.5	148 km	8 km
Jun 28, 1992	26km NNW of Yucca Valley, CA	M5.4	146 km	4 km
Jul 1, 1992	24km N of Yucca Valley, California	M5.3	150 km	5 km
Nov 27, 1992	10km NNW of Big Bear City, California	M5.3	113 km	0 km
Jun 28, 1992	1km N of Big Bear Lake, California	M5.3	108 km	7 km
Dec 4, 1992	10km SE of Lucerne Valley, California	M5.3	115 km	1 km
Mar 20, 1994	3km WNW of Panorama City, California	M5.2	56 km	12 km
Jan 18, 1994	10km ESE of Piru, California	M5.2	83 km	11 km

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

Tornado History

115 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 55 injuries.

Date	Rating	Distance	Path	Fatalities
May 22, 2008	EF2	70 km	2.8 mi	0
Mar 1, 1983	EF2	34 km	3.5 mi	0
Nov 9, 1982	EF2	22 km	10.0 mi	0
Nov 9, 1982	EF2	51 km	1.0 mi	0
Nov 7, 1966	EF2	29 km	0.2 mi	0
Nov 7, 1966	EF2	30 km	10.3 mi	0
Nov 7, 1966	EF2	27 km	0.1 mi	0
Mar 22, 2023	EF1	15 km	0.5 mi	0
Jan 19, 2010	EF1	23 km	4.6 mi	0
Feb 19, 2005	EF1	91 km	2.8 mi	0
Jan 9, 1998	EF1	20 km	1.5 mi	0
Dec 21, 1997	EF1	26 km	1.0 mi	0
Nov 11, 1997	EF1	30 km	0.2 mi	0
Jan 14, 1993	EF1	6 km	1.0 mi	0
Dec 7, 1992	EF1	17 km	0.1 mi	0
Dec 7, 1992	EF1	12 km	0.1 mi	0
Mar 20, 1992	EF1	27 km	0.2 mi	0
Mar 27, 1991	EF1	26 km	3.0 mi	0
Mar 16, 1986	EF1	12 km	1.2 mi	0
Oct 1, 1983	EF1	32 km	0.3 mi	0

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

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 3.1 m (10 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1930	S. CALIFORNIA	Eruption + Earthquake	3.1 m	1	60 km
1994	WEST COAST, USA	Earthquake	0.1 m	57	60 km
1855	S. CALIFORNIA	Eruption + Earthquake	—	—	24 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: STATION (165,368 acres, 2009).

Year	Name	Acres Burned	Distance
2009	STATION	165,368	49 km
2020	BOBCAT	115,728	48 km
2003	SIMI	107,756	87 km
2018	WOOLSEY	97,962	79 km
2003	OLD	90,180	77 km
1999	WILLOW	63,525	97 km
2003	GRAND PRIX	50,799	59 km
2016	SAND	41,561	63 km
2007	BUCKWEED	41,332	79 km
1993	GREEN MEADOWS	38,115	92 km
2002	WILLIAMS	37,505	39 km
2007	RANCH	37,009	95 km
2016	BLUE CUT	36,856	66 km
2008	YELLOW	33,232	77 km
2013	POWERHOUSE	32,329	95 km
2008	FREEWAY COMPLEX	29,350	24 km
2007	SANTIAGO	27,605	38 km
1998	EDNA	27,561	94 km
2020	INDIA	24,193	77 km
2005	TOPANGA	24,133	72 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	57°F (14°C)	3.2 in
February	59°F (15°C)	3.3 in	Wettest
March	60°F (16°C)	2.8 in
April	63°F (17°C)	0.8 in
May	66°F (19°C)	0.2 in
June	70°F (21°C)	0.1 in
July	73°F (23°C)	0.0 in	Driest
August	75°F (24°C)	0.1 in	Warmest
September	73°F (23°C)	0.3 in
October	69°F (20°C)	0.4 in
November	62°F (17°C)	1.4 in
December	57°F (14°C)	2.0 in	Coldest

La Mirada has a seasonal temperature swing of 18°F / from 57°F in December to 75°F in August. Total annual precipitation is 14.6 inches, with February being the wettest month (3.3") and July the driest (0.0").

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