Weather & Climate in Avalon, CA

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

Avalon enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 56°F in January while summers reach 68°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 12.8 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 15 feet.

Temperature

56°F Jan (13°C) 68°F Jul (20°C)

Annual Average	61.2°F
	13% above US avg
January Average	56°F (13°C)
July Average	68°F (20°C)
Sunny Days	330 days/yr

Geography

Elevation	15 ft (5 m)
Area	2.9 sq mi (7.5 km²)
Population Density	1,167/sq mi
Coordinates	33.3433°N, 118.3176°W
Timezone	America/Los_Angeles
County	Orange County County
Nearest Airport	John Wayne/Orange County (SNA) 35 miles away

Precipitation & Snow

Annual Rainfall 12.8"

66% below US avg

Wettest Month (Jan) 2.44"

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	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

4,127 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994	Northridge, California, earthquake	M6.7	99 km	18 km
Jan 17, 1994	1km ENE of Granada Hills, California	M5.9	105 km	5 km
Jun 28, 1991	The 1991 Sierra Madre, California Earthquake	M5.8	107 km	8 km
Jan 17, 1994	7km NNE of Simi Valley, California	M5.6	115 km	9 km
Feb 28, 1990	The 1990 Upland, California Earthquake	M5.5	106 km	3 km
Apr 5, 2018	31km SW of Santa Cruz Is. (E end), CA	M5.3	142 km	10 km
Jan 18, 1994	10km ESE of Piru, California	M5.2	120 km	11 km
Mar 20, 1994	3km WNW of Panorama City, California	M5.2	100 km	12 km
Jan 17, 1994	9km N of Chatsworth, California	M5.2	114 km	5 km
Mar 29, 2014	2km NW of Brea, CA	M5.1	75 km	5 km
Aug 20, 2023	7 km SE of Ojai, CA	M5.1	143 km	5 km
Jan 19, 1994	10km SSW of Valencia, California	M5.1	118 km	11 km
Apr 26, 1997	12km ESE of Piru, California	M5.1	119 km	16 km
Jan 19, 1994	8km ESE of Piru, California	M5.1	121 km	14 km
Jan 29, 1994	6km NNE of Chatsworth, California	M5.1	110 km	1 km
Jun 26, 1995	11km SW of Valencia, California	M5.0	121 km	13 km
Jun 15, 2004	67km SE of San Clemente Is. (SE tip), CA	M5.0	118 km	10 km
Apr 27, 1997	11km SW of Valencia, California	M4.9	119 km	15 km
Jan 17, 1994	3km N of Northridge, California	M4.9	105 km	6 km
Jun 16, 2005	4km NE of Yucaipa, CA	M4.9	145 km	11 km

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

Tornado History

75 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 56 injuries.

Date	Rating	Distance	Path	Fatalities
Mar 1, 1983	EF2	71 km	3.5 mi	0
Nov 9, 1982	EF2	50 km	10.0 mi	0
Nov 9, 1982	EF2	94 km	1.0 mi	0
Nov 7, 1966	EF2	62 km	0.1 mi	0
Nov 7, 1966	EF2	56 km	10.3 mi	0
Nov 7, 1966	EF2	50 km	0.2 mi	0
Mar 22, 2023	EF1	75 km	0.5 mi	0
Jan 19, 2010	EF1	45 km	4.6 mi	0
Jan 9, 1998	EF1	50 km	1.5 mi	0
Dec 21, 1997	EF1	47 km	1.0 mi	0
Nov 11, 1997	EF1	59 km	0.2 mi	0
Jan 14, 1993	EF1	69 km	1.0 mi	0
Dec 7, 1992	EF1	54 km	0.1 mi	0
Dec 7, 1992	EF1	66 km	0.1 mi	0
Mar 20, 1992	EF1	85 km	0.2 mi	0
Mar 27, 1991	EF1	47 km	3.0 mi	0
Mar 16, 1986	EF1	66 km	1.2 mi	0
Oct 1, 1983	EF1	64 km	0.3 mi	0
Nov 9, 1982	EF1	66 km	0.2 mi	0
Nov 9, 1982	EF1	83 km	0.2 mi	0

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

Tsunami History

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

Year	Location	Cause	Max Wave	Deaths	Distance
1930	S. CALIFORNIA	Eruption + Earthquake	3.1 m	1	82 km
1862	S. CALIFORNIA	Eruption + Earthquake	1.2 m	—	126 km
1994	WEST COAST, USA	Earthquake	0.1 m	57	99 km
1855	S. CALIFORNIA	Eruption + Earthquake	—	—	87 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: WOOLSEY (97,962 acres, 2018).

Year	Name	Acres Burned	Distance
2018	WOOLSEY	97,962	99 km
2008	YELLOW	33,232	80 km
2008	FREEWAY COMPLEX	29,350	83 km
2007	SANTIAGO	27,605	74 km
2020	INDIA	24,193	83 km
2018	HOLY	22,845	88 km
1993	ORTEGA	20,912	80 km
2007	AMMO FIRE	19,213	78 km
2004	CERRITO	18,605	98 km
1993	OLD TOPANGA FIRE	16,780	86 km
1986	UNNAMED	16,390	78 km
2014	PULGAS	14,937	86 km
1993	LAGUNA FIRE	14,587	56 km
2020	BLUE RIDGE	13,869	85 km
1989	MATEO	13,280	81 km
2020	SILVERADO	12,515	71 km
1996	CALABASAS	12,340	91 km
2006	SIERRA	9,368	79 km
2017	CANYON 2	9,102	76 km
2003	ROBLAR 2	8,775	86 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	56°F (13°C)	2.4 in	Coldest, Wettest
February	57°F (14°C)	2.2 in
March	56°F (14°C)	1.7 in
April	58°F (14°C)	0.8 in
May	59°F (15°C)	0.1 in
June	62°F (16°C)	0.0 in
July	68°F (20°C)	0.0 in	Warmest, Driest
August	67°F (19°C)	0.1 in
September	67°F (19°C)	0.3 in
October	65°F (18°C)	0.1 in
November	62°F (17°C)	1.5 in
December	59°F (15°C)	1.9 in

Avalon has a seasonal temperature swing of 12°F / from 56°F in January to 68°F in July. Total annual precipitation is 11.2 inches, with January being the wettest month (2.4") and July the driest (0.0").

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