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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. 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 19.0 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 84 feet.

Temperature

57°F Jan (14°C) 68°F Jul (20°C)
Annual Average62.5°F
16% above US avg
January Average57°F (14°C)
July Average68°F (20°C)
Sunny Days330 days/yr

Geography

Elevation84 ft (26 m)
Area2.0 sq mi (5.2 km²)
Population Density891/sq mi
Coordinates34.4172°N, 119.5875°W
TimezoneAmerica/Los_Angeles
CountyVentura County County
Nearest AirportSanta Barbara Municipal (SBA)
12 miles away

Precipitation & Snow

Annual Rainfall 19.0"
50% below US avg
Snowfall 0.0"
Wettest Month (Feb) 4.21"
Driest Month (Jul) 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

3,136 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) 3.9 in
February 52°F (11°C) 4.2 in Wettest
March 52°F (11°C) 3.6 in
April 55°F (13°C) 1.3 in
May 58°F (14°C) 0.4 in
June 62°F (17°C) 0.1 in
July 68°F (20°C) 0.0 in Warmest, Driest
August 68°F (20°C) 0.1 in
September 66°F (19°C) 0.3 in
October 62°F (17°C) 0.6 in
November 56°F (13°C) 2.1 in
December 51°F (11°C) 2.8 in Coldest

Summerland has a seasonal temperature swing of 17°F / from 51°F in December to 68°F in July. Total annual precipitation is 19.4 inches, with February being the wettest month (4.2") and July the driest (0.0").

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