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Weather & Climate in Thousand Oaks, CA

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

Thousand Oaks enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 50°F in January while summers reach 77°F in July. The area gets 325 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 31.3 inches. The area receives 1.1 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 781 feet.

Temperature

50°F Jan (10°C) 77°F Jul (25°C)
Annual Average61.7°F
14% above US avg
January Average50°F (10°C)
July Average77°F (25°C)
Sunny Days325 days/yr

Geography

Elevation781 ft (238 m)
Area55.2 sq mi (142.9 km²)
Population Density2,274/sq mi
Coordinates34.1933°N, 118.8742°W
TimezoneAmerica/Los_Angeles
CountyLos Angeles County County
Nearest AirportBob Hope (BUR)
29 miles away

Precipitation & Snow

Annual Rainfall 31.3"
18% below US avg
Snowfall 1.1"
Wettest Month (Feb) 3.50"
Driest Month (Jun) 0.04"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskVery High
Risk Score100.0 / 100
Social Vulnerability55.4 / 100
Community Resilience13.6 / 100

Hazard Breakdown

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

Earthquake History

3,858 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994 Northridge, California, earthquake M6.7 31 km 18 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 36 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 82 km 8 km
Jul 11, 1992 12km NW of California City, California M5.7 135 km 10 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 22 km 9 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 108 km 3 km
Apr 5, 2018 31km SW of Santa Cruz Is. (E end), CA M5.3 90 km 10 km
Jan 18, 1994 10km ESE of Piru, California M5.2 26 km 11 km
Mar 20, 1994 3km WNW of Panorama City, California M5.2 37 km 12 km
Aug 7, 2024 24 km SW of Lamont, CA M5.2 104 km 12 km
Jan 17, 1994 9km N of Chatsworth, California M5.2 29 km 5 km
May 28, 1993 21km SW of Lamont, California M5.2 108 km 21 km
Mar 29, 2014 2km NW of Brea, CA M5.1 93 km 5 km
Aug 20, 2023 7 km SE of Ojai, CA M5.1 38 km 5 km
Jan 19, 1994 10km SSW of Valencia, California M5.1 31 km 11 km
Apr 26, 1997 12km ESE of Piru, California M5.1 27 km 16 km
Jan 19, 1994 8km ESE of Piru, California M5.1 26 km 14 km
Jan 29, 1994 6km NNE of Chatsworth, California M5.1 30 km 1 km
Sep 29, 2004 25km SSW of Bodfish, California M5.0 135 km 3 km
Jun 26, 1995 11km SW of Valencia, California M5.0 29 km 13 km
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.

Tornado History

71 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 51 injuries.

Date Rating Distance Path Fatalities
Mar 1, 1983 EF2 52 km 3.5 mi 0
Nov 9, 1982 EF2 39 km 1.0 mi 0
Nov 9, 1982 EF2 77 km 10.0 mi 0
Nov 7, 1966 EF2 62 km 0.1 mi 0
Nov 7, 1966 EF2 63 km 10.3 mi 0
Mar 22, 2023 EF1 73 km 0.5 mi 0
Jan 19, 2010 EF1 87 km 4.6 mi 0
Jan 9, 1998 EF1 80 km 1.5 mi 0
Dec 21, 1997 EF1 100 km 1.0 mi 0
Jan 14, 1993 EF1 92 km 1.0 mi 0
Dec 7, 1992 EF1 95 km 0.1 mi 0
Dec 7, 1992 EF1 97 km 0.1 mi 0
Mar 20, 1992 EF1 65 km 0.2 mi 0
Mar 27, 1991 EF1 100 km 3.0 mi 0
Mar 16, 1986 EF1 97 km 1.2 mi 0
Oct 1, 1983 EF1 57 km 0.3 mi 0
Nov 9, 1982 EF1 26 km 0.2 mi 0
Mar 29, 1982 EF1 72 km 2.0 mi 0
Jan 31, 1979 EF1 47 km 0.1 mi 0
May 8, 1977 EF1 77 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 94 km
1930 S. CALIFORNIA Eruption + Earthquake 3.1 m 1 28 km
1994 WEST COAST, USA Earthquake 0.1 m 57 31 km
1855 S. CALIFORNIA Eruption + Earthquake - - 72 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 49 km
2007 ZACA 241,846 91 km
2009 STATION 165,368 70 km
2006 DAY 159,713 48 km
1985 WHEELER 2 126,854 56 km
2020 BOBCAT 115,728 88 km
2003 SIMI 107,756 18 km
2018 WOOLSEY 97,962 9 km
2003 PIRU 63,920 32 km
1985 FERNDALE 46,724 35 km
2016 SAND 41,561 53 km
2007 BUCKWEED 41,332 53 km
1993 GREEN MEADOWS 38,115 13 km
2007 RANCH 37,009 38 km
2016 REY 33,323 89 km
2013 POWERHOUSE 32,329 65 km
2020 LAKE 30,971 62 km
1993 STECKEL 26,202 33 km
2005 TOPANGA 24,133 17 km
1997 HOPPER 24,072 32 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 50°F (10°C) 3.4 in Coldest
February 55°F (13°C) 3.5 in Wettest
March 56°F (13°C) 2.8 in
April 59°F (15°C) 1.0 in
May 63°F (17°C) 0.2 in
June 67°F (19°C) 0.0 in
July 77°F (25°C) 0.0 in Warmest, Driest
August 72°F (22°C) 0.1 in
September 70°F (21°C) 0.2 in
October 66°F (19°C) 0.3 in
November 60°F (15°C) 2.2 in
December 55°F (13°C) 2.3 in

Thousand Oaks has a seasonal temperature swing of 27°F / from 50°F in January to 77°F in July. Total annual precipitation is 16.0 inches, with February being the wettest month (3.5") and July the driest (0.0").

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