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. Annual precipitation totals 12.8 inches (drier than the 38-inch national average). Air quality is rated Moderate with a median AQI of 54. 33% of days have good air quality. The city sits at an elevation of 15 feet.

Temperature

56°F Jan (13°C) 68°F Jul (20°C)
Annual Average61.2°F
13% above US avg
January Average56°F (13°C)
July Average68°F (20°C)

Geography

Elevation15 ft (5 m)
Area2.9 sq mi (7.5 km²)
Population Density1,167/sq mi
Coordinates33.3433°N, 118.3176°W
TimezoneAmerica/Los_Angeles
CountyOrange County County
Nearest AirportJohn Wayne/Orange County (SNA)
35 miles away

Precipitation & Snow

Annual Rainfall 12.8"
66% below US avg
Snowfall 0.0"
Wettest Month (Jan) 3.04"
Driest Month (Aug) 0.01"

Air Quality

AQI Median54.0
RatingModerate
Good Days %32.5%
Unhealthy Days16

Natural Hazard Risk

Overall RiskVery High
Risk Score99.8 / 100
Social Vulnerability24.9 / 100
Community Resilience16.3 / 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) 3.0 in Wettest
February 55°F (13°C) 2.8 in Coldest
March 55°F (13°C) 1.7 in
April 57°F (14°C) 0.8 in
May 60°F (15°C) 0.4 in
June 62°F (17°C) 0.2 in
July 68°F (20°C) 0.1 in
August 71°F (21°C) 0.0 in Warmest, Driest
September 71°F (21°C) 0.1 in
October 65°F (19°C) 0.5 in
November 60°F (16°C) 1.0 in
December 55°F (13°C) 2.2 in

Avalon has a seasonal temperature swing of 16°F / from 55°F in February to 71°F in August. Total annual precipitation is 12.8 inches, with January being the wettest month (3.0") and August the driest (0.0").

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