Weather & Climate in San Buenaventura (Ventura), CA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Buenaventura (Ventura) enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 56°F in January while summers reach 67°F in July / relatively mild seasonal variation. Annual precipitation totals 12.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 50. 52% of days have good air quality. The city sits at an elevation of 105 feet.
Temperature
56°F Jan (13°C)
67°F Jul (19°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 105 ft (32 m) |
| Area | 21.9 sq mi (56.6 km²) |
| Population Density | 5,025/sq mi |
| Coordinates | 34.2678°N, 119.2542°W |
| Timezone | America/Los_Angeles |
| County | Ventura County County |
| Nearest Airport | Santa Barbara Municipal (SBA) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 50.0 |
| Rating | Good |
| Good Days % | 52.2% |
| Unhealthy Days | 15 |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.4 / 100 |
| Social Vulnerability | 29.8 / 100 |
| Community Resilience | 33.6 / 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
3,466 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.
| Jan 17, 1994 | Northridge, California, earthquake | M6.7 | 66 km | 18 km |
| Jan 17, 1994 | 1km ENE of Granada Hills, California | M5.9 | 70 km | 5 km |
| Jun 28, 1991 | The 1991 Sierra Madre, California Earthquake | M5.8 | 116 km | 8 km |
| Jan 17, 1994 | 7km NNE of Simi Valley, California | M5.6 | 52 km | 9 km |
| Feb 28, 1990 | The 1990 Upland, California Earthquake | M5.5 | 144 km | 3 km |
| Apr 5, 2018 | 31km SW of Santa Cruz Is. (E end), CA | M5.3 | 67 km | 10 km |
| Mar 20, 1994 | 3km WNW of Panorama City, California | M5.2 | 72 km | 12 km |
| Jan 18, 1994 | 10km ESE of Piru, California | M5.2 | 53 km | 11 km |
| Aug 7, 2024 | 24 km SW of Lamont, CA | M5.2 | 95 km | 12 km |
| Jan 17, 1994 | 9km N of Chatsworth, California | M5.2 | 59 km | 5 km |
| May 28, 1993 | 21km SW of Lamont, California | M5.2 | 99 km | 21 km |
| Mar 29, 2014 | 2km NW of Brea, CA | M5.1 | 129 km | 5 km |
| Aug 20, 2023 | 7 km SE of Ojai, CA | M5.1 | 17 km | 5 km |
| Jan 19, 1994 | 10km SSW of Valencia, California | M5.1 | 60 km | 11 km |
| Apr 26, 1997 | 12km ESE of Piru, California | M5.1 | 55 km | 16 km |
| Jan 29, 1994 | 6km NNE of Chatsworth, California | M5.1 | 62 km | 1 km |
| Jan 19, 1994 | 8km ESE of Piru, California | M5.1 | 51 km | 14 km |
| Sep 29, 2004 | 25km SSW of Bodfish, California | M5.0 | 137 km | 3 km |
| Jun 26, 1995 | 11km SW of Valencia, California | M5.0 | 56 km | 13 km |
| Apr 27, 1997 | 11km SW of Valencia, California | M4.9 | 57 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
33 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 44 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 1, 1983 | EF2 | 88 km | 3.5 mi | 0 |
| Nov 9, 1982 | EF2 | 75 km | 1.0 mi | 0 |
| Nov 7, 1966 | EF2 | 97 km | 10.3 mi | 0 |
| Nov 7, 1966 | EF2 | 97 km | 0.1 mi | 0 |
| Mar 17, 1991 | EF1 | 98 km | 0.1 mi | 0 |
| Oct 1, 1983 | EF1 | 92 km | 0.3 mi | 0 |
| Nov 9, 1982 | EF1 | 59 km | 0.2 mi | 0 |
| Jan 31, 1979 | EF1 | 82 km | 0.1 mi | 0 |
| Jan 3, 1977 | EF1 | 55 km | 0.1 mi | 0 |
| Nov 9, 1964 | EF1 | 86 km | 1.0 mi | 0 |
| May 14, 1962 | EF1 | 98 km | 0.1 mi | 0 |
| Jan 18, 1955 | EF1 | 91 km | 3.0 mi | 0 |
| Mar 21, 2023 | EF0 | 31 km | 0.2 mi | 0 |
| Dec 25, 2019 | EF0 | 4 km | 0.8 mi | 0 |
| Dec 12, 2014 | EF0 | 94 km | 0.7 mi | 0 |
| Jan 21, 2010 | EF0 | 6 km | 1.5 mi | 0 |
| Jan 19, 2010 | EF0 | 60 km | 0.1 mi | 0 |
| Jan 24, 2008 | EF0 | 21 km | 0.1 mi | 0 |
| Jan 10, 2005 | EF0 | 9 km | 0.1 mi | 0 |
| Dec 29, 2004 | EF0 | 94 km | 0.5 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 | 60 km |
| 1930 | S. CALIFORNIA | Eruption + Earthquake | 3.1 m | 1 | 62 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 66 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | - | - | 108 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 | 22 km |
| 2007 | ZACA | 241,846 | 60 km |
| 2006 | DAY | 159,713 | 47 km |
| 1985 | WHEELER 2 | 126,854 | 28 km |
| 2003 | SIMI | 107,756 | 43 km |
| 2018 | WOOLSEY | 97,962 | 43 km |
| 2003 | PIRU | 63,920 | 43 km |
| 1985 | FERNDALE | 46,724 | 19 km |
| 1993 | MARRE | 44,309 | 82 km |
| 2016 | SAND | 41,561 | 84 km |
| 2007 | BUCKWEED | 41,332 | 79 km |
| 1993 | GREEN MEADOWS | 38,115 | 31 km |
| 2007 | RANCH | 37,009 | 56 km |
| 2016 | REY | 33,323 | 56 km |
| 2013 | POWERHOUSE | 32,329 | 86 km |
| 2020 | LAKE | 30,971 | 79 km |
| 1993 | STECKEL | 26,202 | 16 km |
| 2005 | TOPANGA | 24,133 | 52 km |
| 1997 | HOPPER | 24,072 | 46 km |
| 2013 | SPRINGS | 24,042 | 28 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 2.9 in | Coldest |
| February | 57°F (14°C) | 3.3 in | Wettest |
| March | 57°F (14°C) | 2.3 in | |
| April | 59°F (15°C) | 0.7 in | |
| May | 61°F (16°C) | 0.3 in | |
| June | 64°F (18°C) | 0.1 in | |
| July | 67°F (19°C) | 0.0 in | |
| August | 67°F (20°C) | 0.0 in | Warmest, Driest |
| September | 67°F (19°C) | 0.1 in | |
| October | 65°F (18°C) | 0.5 in | |
| November | 60°F (16°C) | 0.7 in | |
| December | 56°F (14°C) | 2.1 in |
San Buenaventura (Ventura) has a seasonal temperature swing of 11°F / from 56°F in January to 67°F in August. Total annual precipitation is 12.9 inches, with February being the wettest month (3.3") and August the driest (0.0").