Weather & Climate in Summerland, CA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Summerland enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 57°F in January while summers reach 68°F in July / relatively mild seasonal variation. Annual precipitation totals 19.0 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 84 feet.
Temperature
57°F Jan (14°C)
68°F Jul (20°C)
| Annual Average | 62.5°F |
| 16% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 84 ft (26 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 891/sq mi |
| Coordinates | 34.4172°N, 119.5875°W |
| Timezone | America/Los_Angeles |
| County | Ventura County County |
| Nearest Airport | Santa Barbara Municipal (SBA) 12 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
3,136 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 | 102 km | 5 km |
| Jun 28, 1991 | The 1991 Sierra Madre, California Earthquake | M5.8 | 147 km | 8 km |
| Jan 17, 1994 | 7km NNE of Simi Valley, California | M5.6 | 82 km | 9 km |
| Apr 5, 2018 | 31km SW of Santa Cruz Is. (E end), CA | M5.3 | 68 km | 10 km |
| Jan 18, 1994 | 10km ESE of Piru, California | M5.2 | 82 km | 11 km |
| Mar 20, 1994 | 3km WNW of Panorama City, California | M5.2 | 104 km | 12 km |
| Aug 7, 2024 | 24 km SW of Lamont, CA | M5.2 | 89 km | 12 km |
| Jan 17, 1994 | 9km N of Chatsworth, California | M5.2 | 90 km | 5 km |
| May 28, 1993 | 21km SW of Lamont, California | M5.2 | 93 km | 21 km |
| Aug 20, 2023 | 7 km SE of Ojai, CA | M5.1 | 37 km | 5 km |
| Apr 26, 1997 | 12km ESE of Piru, California | M5.1 | 84 km | 16 km |
| Jan 19, 1994 | 10km SSW of Valencia, California | M5.1 | 89 km | 11 km |
| Jan 19, 1994 | 8km ESE of Piru, California | M5.1 | 80 km | 14 km |
| Jan 29, 1994 | 6km NNE of Chatsworth, California | M5.1 | 93 km | 1 km |
| Sep 29, 2004 | 25km SSW of Bodfish, California | M5.0 | 139 km | 3 km |
| Jun 26, 1995 | 11km SW of Valencia, California | M5.0 | 84 km | 13 km |
| Apr 27, 1997 | 11km SW of Valencia, California | M4.9 | 86 km | 15 km |
| Jan 17, 1994 | 3km N of Northridge, California | M4.9 | 98 km | 6 km |
| Feb 24, 2016 | 6km SSW of Wasco, CA | M4.9 | 127 km | 22 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
18 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 17, 1991 | EF1 | 80 km | 0.1 mi | 0 |
| Nov 9, 1982 | EF1 | 94 km | 0.2 mi | 0 |
| Jan 3, 1977 | EF1 | 21 km | 0.1 mi | 0 |
| Mar 21, 2023 | EF0 | 5 km | 0.2 mi | 0 |
| Dec 25, 2019 | EF0 | 36 km | 0.8 mi | 0 |
| Jan 21, 2010 | EF0 | 41 km | 1.5 mi | 0 |
| Jan 19, 2010 | EF0 | 27 km | 0.1 mi | 0 |
| Jan 24, 2008 | EF0 | 54 km | 0.1 mi | 0 |
| Mar 29, 2006 | EF0 | 83 km | - | 0 |
| Jan 10, 2005 | EF0 | 44 km | 0.1 mi | 0 |
| Nov 29, 2001 | EF0 | 97 km | 0.1 mi | 0 |
| Apr 1, 1999 | EF0 | 93 km | 0.1 mi | 0 |
| May 13, 1998 | EF0 | 52 km | 0.1 mi | 0 |
| Mar 24, 1994 | EF0 | 10 km | 0.1 mi | 0 |
| Dec 7, 1992 | EF0 | 67 km | 0.1 mi | 0 |
| Dec 29, 1991 | EF0 | 69 km | 0.1 mi | 0 |
| Nov 9, 1982 | EF0 | 54 km | 0.1 mi | 0 |
| Dec 20, 1952 | EF0 | 97 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
6 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 | 38 km |
| 1930 | S. CALIFORNIA | Eruption + Earthquake | 3.1 m | 1 | 97 km |
| 1927 | S. CALIFORNIA | Earthquake | 1.8 m | - | 117 km |
| 1878 | S. CALIFORNIA | Meteorological | 1.0 m | 1 | 135 km |
| 1994 | WEST COAST, USA | Earthquake | 0.1 m | 57 | 99 km |
| 1855 | S. CALIFORNIA | Eruption + Earthquake | - | - | 141 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 | 27 km |
| 2007 | ZACA | 241,846 | 32 km |
| 2006 | DAY | 159,713 | 61 km |
| 1985 | WHEELER 2 | 126,854 | 24 km |
| 2003 | SIMI | 107,756 | 74 km |
| 2018 | WOOLSEY | 97,962 | 77 km |
| 2009 | LA BREA | 84,213 | 70 km |
| 2003 | PIRU | 63,920 | 67 km |
| 1997 | LOGAN | 49,627 | 91 km |
| 1985 | FERNDALE | 46,724 | 40 km |
| 1993 | MARRE | 44,309 | 48 km |
| 1993 | GREEN MEADOWS | 38,115 | 66 km |
| 2007 | RANCH | 37,009 | 80 km |
| 2016 | REY | 33,323 | 23 km |
| 2020 | LAKE | 30,971 | 99 km |
| 2017 | ALAMO | 29,256 | 88 km |
| 1993 | STECKEL | 26,202 | 40 km |
| 2005 | TOPANGA | 24,133 | 85 km |
| 1997 | HOPPER | 24,072 | 71 km |
| 2013 | SPRINGS | 24,042 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 4.4 in | Wettest |
| February | 57°F (14°C) | 4.4 in | |
| March | 59°F (15°C) | 3.2 in | |
| April | 61°F (16°C) | 1.0 in | |
| May | 63°F (17°C) | 0.4 in | |
| June | 65°F (18°C) | 0.1 in | |
| July | 68°F (20°C) | 0.0 in | Driest |
| August | 69°F (21°C) | 0.0 in | Warmest |
| September | 69°F (20°C) | 0.1 in | |
| October | 66°F (19°C) | 0.8 in | |
| November | 61°F (16°C) | 1.4 in | |
| December | 56°F (13°C) | 3.1 in | Coldest |
Summerland has a seasonal temperature swing of 13°F / from 56°F in December to 69°F in August. Total annual precipitation is 19.0 inches, with January being the wettest month (4.4") and July the driest (0.0").