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Weather & Climate in Fillmore, CA

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

Fillmore enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 55°F in January while summers reach 79°F in July. 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 16.8 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 459 feet.

Temperature

55°F Jan (13°C) 79°F Jul (26°C)
Annual Average65.5°F
21% above US avg
January Average55°F (13°C)
July Average79°F (26°C)
Sunny Days330 days/yr

Geography

Elevation459 ft (140 m)
Area3.4 sq mi (8.7 km²)
Population Density5,050/sq mi
Coordinates34.3990°N, 118.9175°W
TimezoneAmerica/Los_Angeles
CountyLos Angeles County County
Nearest AirportBob Hope (BUR)
35 miles away

Precipitation & Snow

Annual Rainfall 16.8"
56% below US avg
Snowfall 0.1"
Wettest Month (Feb) 3.66"
Driest Month (Jun) 0.08"

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

3,941 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994 Northridge, California, earthquake M6.7 41 km 18 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 41 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 86 km 8 km
Jul 11, 1992 12km NW of California City, California M5.7 119 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 M5.5 116 km 3 km
Apr 5, 2018 31km SW of Santa Cruz Is. (E end), CA M5.3 99 km 10 km
Jan 18, 1994 10km ESE of Piru, California M5.2 20 km 11 km
Mar 20, 1994 3km WNW of Panorama City, California M5.2 45 km 12 km
Aug 7, 2024 24 km SW of Lamont, CA M5.2 81 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 85 km 21 km
Mar 29, 2014 2km NW of Brea, CA M5.1 106 km 5 km
Aug 20, 2023 7 km SE of Ojai, CA M5.1 25 km 5 km
Jan 19, 1994 10km SSW of Valencia, California M5.1 28 km 11 km
Apr 26, 1997 12km ESE of Piru, California M5.1 23 km 16 km
Jan 19, 1994 8km ESE of Piru, California M5.1 19 km 14 km
Jan 29, 1994 6km NNE of Chatsworth, California M5.1 33 km 1 km
Sep 29, 2004 25km SSW of Bodfish, California M5.0 113 km 3 km
Jun 26, 1995 11km SW of Valencia, California M5.0 23 km 13 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

55 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 47 injuries.

Date Rating Distance Path Fatalities
Mar 1, 1983 EF2 69 km 3.5 mi 0
Nov 9, 1982 EF2 95 km 10.0 mi 0
Nov 9, 1982 EF2 49 km 1.0 mi 0
Nov 7, 1966 EF2 82 km 10.3 mi 0
Nov 7, 1966 EF2 79 km 0.1 mi 0
Mar 22, 2023 EF1 86 km 0.5 mi 0
Jan 9, 1998 EF1 97 km 1.5 mi 0
Mar 20, 1992 EF1 76 km 0.2 mi 0
Mar 17, 1991 EF1 96 km 0.1 mi 0
Oct 1, 1983 EF1 75 km 0.3 mi 0
Nov 9, 1982 EF1 47 km 0.2 mi 0
Mar 29, 1982 EF1 83 km 2.0 mi 0
Jan 31, 1979 EF1 56 km 0.1 mi 0
May 8, 1977 EF1 95 km 0.1 mi 0
Jan 3, 1977 EF1 83 km 0.1 mi 0
Nov 9, 1964 EF1 69 km 1.0 mi 0
May 14, 1962 EF1 82 km 0.1 mi 0
Jan 18, 1955 EF1 69 km 3.0 mi 0
May 4, 2023 EF0 84 km 0.1 mi 0
May 4, 2023 EF0 87 km 0.7 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 93 km
1930 S. CALIFORNIA Eruption + Earthquake 3.1 m 1 48 km
1994 WEST COAST, USA Earthquake 0.1 m 57 41 km
1855 S. CALIFORNIA Eruption + Earthquake — — 82 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 36 km
2007 ZACA 241,846 76 km
2009 STATION 165,368 72 km
2006 DAY 159,713 25 km
1985 WHEELER 2 126,854 42 km
2020 BOBCAT 115,728 91 km
2003 SIMI 107,756 14 km
2018 WOOLSEY 97,962 32 km
2003 PIRU 63,920 10 km
1985 FERNDALE 46,724 21 km
2016 SAND 41,561 52 km
2007 BUCKWEED 41,332 45 km
1993 GREEN MEADOWS 38,115 32 km
2007 RANCH 37,009 22 km
2016 REY 33,323 77 km
2013 POWERHOUSE 32,329 52 km
2020 LAKE 30,971 46 km
1993 STECKEL 26,202 22 km
2011 COMANCHE 25,965 81 km
2005 TOPANGA 24,133 29 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 55°F (13°C) 3.6 in
February 52°F (11°C) 3.7 in Wettest
March 53°F (12°C) 3.1 in
April 57°F (14°C) 1.2 in
May 61°F (16°C) 0.3 in
June 67°F (19°C) 0.1 in
July 79°F (26°C) 0.0 in Warmest, Driest
August 73°F (23°C) 0.1 in
September 70°F (21°C) 0.3 in
October 65°F (18°C) 0.4 in
November 57°F (14°C) 2.2 in
December 52°F (11°C) 2.5 in Coldest

Fillmore has a seasonal temperature swing of 27°F / from 52°F in December to 79°F in July. Total annual precipitation is 17.4 inches, with February being the wettest month (3.7") and July the driest (0.0").

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