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Weather & Climate in Oxnard, CA

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

Oxnard enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 52°F in January while summers reach 65°F in July / relatively mild seasonal variation. The area gets 339 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 34.4 inches. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 33 feet.

Temperature

52°F Jan (11°C) 65°F Jul (18°C)
Annual Average59.0°F
9% above US avg
January Average52°F (11°C)
July Average65°F (18°C)
Sunny Days339 days/yr

Geography

Elevation33 ft (10 m)
Area26.6 sq mi (68.8 km²)
Population Density7,571/sq mi
Coordinates34.1994°N, 119.2075°W
TimezoneAmerica/Los_Angeles
CountyVentura County County
Nearest AirportSanta Barbara Municipal (SBA)
37 miles away

Precipitation & Snow

Annual Rainfall 34.4"
9% below US avg
Snowfall 0.0"
Wettest Month (Feb) 3.74"
Driest Month (Jun) 0.04"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score99.4 / 100
Social Vulnerability29.8 / 100
Community Resilience33.6 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane No Rating
Earthquake Relatively High
Wildfire Relatively High
Flood Very High
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Relatively Moderate
Winter Weather Very Low
Lightning Relatively Moderate
Drought Relatively Moderate
Cold Wave Very Low
Landslide Relatively High
Coastal Flood Relatively Moderate
Tsunami Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

3,487 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994 Northridge, California, earthquake M6.7 62 km 18 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 66 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 112 km 8 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 49 km 9 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 139 km 3 km
Apr 5, 2018 31km SW of Santa Cruz Is. (E end), CA M5.3 64 km 10 km
Jan 18, 1994 10km ESE of Piru, California M5.2 51 km 11 km
Mar 20, 1994 3km WNW of Panorama City, California M5.2 67 km 12 km
Aug 7, 2024 24 km SW of Lamont, CA M5.2 102 km 12 km
Jan 17, 1994 9km N of Chatsworth, California M5.2 57 km 5 km
May 28, 1993 21km SW of Lamont, California M5.2 106 km 21 km
Mar 29, 2014 2km NW of Brea, CA M5.1 123 km 5 km
Aug 20, 2023 7 km SE of Ojai, CA M5.1 23 km 5 km
Jan 19, 1994 10km SSW of Valencia, California M5.1 58 km 11 km
Apr 26, 1997 12km ESE of Piru, California M5.1 53 km 16 km
Jan 29, 1994 6km NNE of Chatsworth, California M5.1 59 km 1 km
Jan 19, 1994 8km ESE of Piru, California M5.1 50 km 14 km
Sep 29, 2004 25km SSW of Bodfish, California M5.0 143 km 3 km
Jun 26, 1995 11km SW of Valencia, California M5.0 54 km 13 km
Apr 27, 1997 11km SW of Valencia, California M4.9 55 km 15 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

36 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 45 injuries.

Date Rating Distance Path Fatalities
Mar 1, 1983 EF2 81 km 3.5 mi 0
Nov 9, 1982 EF2 70 km 1.0 mi 0
Nov 7, 1966 EF2 90 km 0.1 mi 0
Nov 7, 1966 EF2 90 km 10.3 mi 0
Mar 20, 1992 EF1 95 km 0.2 mi 0
Oct 1, 1983 EF1 85 km 0.3 mi 0
Nov 9, 1982 EF1 52 km 0.2 mi 0
Jan 31, 1979 EF1 77 km 0.1 mi 0
Jan 3, 1977 EF1 62 km 0.1 mi 0
Nov 9, 1964 EF1 79 km 1.0 mi 0
May 14, 1962 EF1 91 km 0.1 mi 0
Jan 18, 1955 EF1 85 km 3.0 mi 0
May 4, 2023 EF0 94 km 0.1 mi 0
May 4, 2023 EF0 98 km 0.7 mi 0
Mar 21, 2023 EF0 39 km 0.2 mi 0
Dec 25, 2019 EF0 6 km 0.8 mi 0
Dec 12, 2014 EF0 88 km 0.7 mi 0
Jan 21, 2010 EF0 6 km 1.5 mi 0
Jan 19, 2010 EF0 66 km 0.1 mi 0
Jan 24, 2008 EF0 12 km 0.1 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 64 km
1930 S. CALIFORNIA Eruption + Earthquake 3.1 m 1 55 km
1994 WEST COAST, USA Earthquake 0.1 m 57 62 km
1855 S. CALIFORNIA Eruption + Earthquake — — 103 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 30 km
2007 ZACA 241,846 69 km
2009 STATION 165,368 100 km
2006 DAY 159,713 51 km
1985 WHEELER 2 126,854 37 km
2003 SIMI 107,756 41 km
2018 WOOLSEY 97,962 36 km
2003 PIRU 63,920 45 km
1985 FERNDALE 46,724 24 km
1993 MARRE 44,309 90 km
2016 SAND 41,561 82 km
2007 BUCKWEED 41,332 78 km
1993 GREEN MEADOWS 38,115 23 km
2007 RANCH 37,009 56 km
2016 REY 33,323 64 km
2013 POWERHOUSE 32,329 86 km
2020 LAKE 30,971 80 km
1993 STECKEL 26,202 21 km
2005 TOPANGA 24,133 47 km
1997 HOPPER 24,072 47 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 52°F (11°C) 3.5 in Coldest
February 56°F (13°C) 3.7 in Wettest
March 56°F (13°C) 3.1 in
April 59°F (15°C) 0.8 in
May 61°F (16°C) 0.2 in
June 64°F (18°C) 0.0 in
July 65°F (18°C) 0.0 in Driest
August 68°F (20°C) 0.0 in Warmest
September 67°F (20°C) 0.2 in
October 65°F (18°C) 0.4 in
November 59°F (15°C) 1.7 in
December 55°F (13°C) 2.3 in

Oxnard has a seasonal temperature swing of 16°F / from 52°F in January to 68°F in August. Total annual precipitation is 15.9 inches, with February being the wettest month (3.7") and July the driest (0.0").

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