Weather & Climate in San Fernando, CA

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

San Fernando enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 57°F in January while summers reach 78°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 13.4 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 1,104 feet.

Temperature

57°F Jan (14°C) 78°F Jul (25°C)

Annual Average	66.6°F
	23% above US avg
January Average	57°F (14°C)
July Average	78°F (25°C)
Sunny Days	330 days/yr

Geography

Elevation	1,104 ft (336 m)
Area	0.9 sq mi (2.4 km²)
Population Density	10,007/sq mi
Coordinates	34.2887°N, 118.4362°W
Timezone	America/Los_Angeles
County	Los Angeles County County
Nearest Airport	Bob Hope (BUR) 8 miles away

Precipitation & Snow

Annual Rainfall 13.4"

65% below US avg

Wettest Month (Feb) 3.35"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very High
Risk Score	100.0 / 100
Social Vulnerability	55.4 / 100
Community Resilience	13.6 / 100

Hazard Breakdown

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

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

Earthquake History

5,537 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994	Northridge, California, earthquake	M6.7	13 km	18 km
Jun 28, 1992	The 1992 Big Bear, California Earthquake	M6.3	148 km	4 km
Jan 17, 1994	1km ENE of Granada Hills, California	M5.9	5 km	5 km
Jun 28, 1991	The 1991 Sierra Madre, California Earthquake	M5.8	41 km	8 km
Jul 11, 1992	12km NW of California City, California	M5.7	108 km	10 km
Oct 16, 1999	7km ENE of Running Springs, CA	M5.6	128 km	6 km
Jan 17, 1994	7km NNE of Simi Valley, California	M5.6	24 km	9 km
Jun 28, 1992	11km SSE of Big Bear Lake, California	M5.5	146 km	10 km
Feb 28, 1990	The 1990 Upland, California Earthquake	M5.5	70 km	3 km
Apr 5, 2018	31km SW of Santa Cruz Is. (E end), CA	M5.3	130 km	10 km
Nov 27, 1992	10km NNW of Big Bear City, California	M5.3	141 km	0 km
Dec 4, 1992	10km SE of Lucerne Valley, California	M5.3	142 km	1 km
Jun 28, 1992	1km N of Big Bear Lake, California	M5.3	140 km	7 km
Jan 18, 1994	10km ESE of Piru, California	M5.2	26 km	11 km
Mar 20, 1994	3km WNW of Panorama City, California	M5.2	7 km	12 km
Aug 17, 1992	7km SE of Big Bear Lake, California	M5.2	145 km	9 km
Aug 7, 2024	24 km SW of Lamont, CA	M5.2	109 km	12 km
Jan 17, 1994	9km N of Chatsworth, California	M5.2	17 km	5 km
May 28, 1993	21km SW of Lamont, California	M5.2	114 km	21 km
Mar 29, 2014	2km NW of Brea, CA	M5.1	62 km	5 km

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

Tornado History

92 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 53 injuries.

Date	Rating	Distance	Path	Fatalities
Mar 1, 1983	EF2	35 km	3.5 mi	0
Nov 9, 1982	EF2	61 km	10.0 mi	0
Nov 9, 1982	EF2	12 km	1.0 mi	0
Nov 7, 1966	EF2	45 km	0.1 mi	0
Nov 7, 1966	EF2	50 km	10.3 mi	0
Nov 7, 1966	EF2	86 km	0.2 mi	0
Mar 22, 2023	EF1	43 km	0.5 mi	0
Jan 19, 2010	EF1	70 km	4.6 mi	0
Jan 9, 1998	EF1	62 km	1.5 mi	0
Dec 21, 1997	EF1	80 km	1.0 mi	0
Nov 11, 1997	EF1	88 km	0.2 mi	0
Jan 14, 1993	EF1	64 km	1.0 mi	0
Dec 7, 1992	EF1	70 km	0.1 mi	0
Dec 7, 1992	EF1	72 km	0.1 mi	0
Mar 20, 1992	EF1	32 km	0.2 mi	0
Mar 27, 1991	EF1	80 km	3.0 mi	0
Mar 16, 1986	EF1	70 km	1.2 mi	0
Oct 1, 1983	EF1	42 km	0.3 mi	0
Nov 9, 1982	EF1	37 km	0.2 mi	0
Mar 29, 1982	EF1	39 km	2.0 mi	0

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

Tsunami History

4 tsunamis recorded within 500 km. Highest wave on record: 3.4 m (11 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1812	S. CALIFORNIA	Eruption + Earthquake	3.4 m	1	135 km
1930	S. CALIFORNIA	Eruption + Earthquake	3.1 m	1	35 km
1994	WEST COAST, USA	Earthquake	0.1 m	57	13 km
1855	S. CALIFORNIA	Eruption + Earthquake	—	—	37 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: THOMAS (281,982 acres, 2017).

Year	Name	Acres Burned	Distance
2017	THOMAS	281,982	82 km
2009	STATION	165,368	28 km
2006	DAY	159,713	61 km
1985	WHEELER 2	126,854	88 km
2020	BOBCAT	115,728	46 km
2003	SIMI	107,756	33 km
2018	WOOLSEY	97,962	40 km
2003	PIRU	63,920	44 km
2003	GRAND PRIX	50,799	89 km
1985	FERNDALE	46,724	67 km
2016	SAND	41,561	14 km
2007	BUCKWEED	41,332	25 km
1993	GREEN MEADOWS	38,115	53 km
2002	WILLIAMS	37,505	62 km
2007	RANCH	37,009	37 km
2016	BLUE CUT	36,856	86 km
2013	POWERHOUSE	32,329	42 km
2020	LAKE	30,971	46 km
2008	FREEWAY COMPLEX	29,350	75 km
2007	SANTIAGO	27,605	96 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	57°F (14°C)	3.3 in
February	56°F (13°C)	3.4 in	Wettest
March	57°F (14°C)	2.4 in
April	61°F (16°C)	1.1 in
May	65°F (18°C)	0.2 in
June	70°F (21°C)	0.1 in
July	78°F (25°C)	0.0 in	Warmest, Driest
August	76°F (25°C)	0.1 in
September	74°F (23°C)	0.2 in
October	68°F (20°C)	0.3 in
November	60°F (15°C)	2.3 in
December	55°F (13°C)	2.2 in	Coldest

San Fernando has a seasonal temperature swing of 23°F / from 55°F in December to 78°F in July. Total annual precipitation is 15.6 inches, with February being the wettest month (3.4") and July the driest (0.0").

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