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Weather & Climate in Rolling Hills, CA

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

Rolling Hills enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 57°F in January while summers reach 69°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 13.6 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 1,039 feet.

Temperature

57°F Jan (14°C) 69°F Jul (21°C)
Annual Average63.0°F
17% above US avg
January Average57°F (14°C)
July Average69°F (21°C)
Sunny Days330 days/yr

Geography

Elevation1,039 ft (317 m)
Area3.0 sq mi (7.7 km²)
Population Density178/sq mi
Coordinates33.7600°N, 118.3472°W
TimezoneAmerica/Los_Angeles
CountyLos Angeles County County
Nearest AirportLos Angeles International (LAX)
13 miles away

Precipitation & Snow

Annual Rainfall 13.6"
64% below US avg
Snowfall 0.0"
Wettest Month (Jan) 3.11"
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

5,123 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.7.

Jan 17, 1994 Northridge, California, earthquake M6.7 53 km 18 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 149 km 4 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 59 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 65 km 8 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 132 km 6 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 71 km 9 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 145 km 10 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 74 km 3 km
Apr 5, 2018 31km SW of Santa Cruz Is. (E end), CA M5.3 128 km 10 km
Nov 27, 1992 10km NNW of Big Bear City, California M5.3 148 km 0 km
Jun 28, 1992 1km N of Big Bear Lake, California M5.3 143 km 7 km
Dec 4, 1992 10km SE of Lucerne Valley, California M5.3 150 km 1 km
Mar 20, 1994 3km WNW of Panorama City, California M5.2 54 km 12 km
Jan 18, 1994 10km ESE of Piru, California M5.2 76 km 11 km
Aug 17, 1992 7km SE of Big Bear Lake, California M5.2 145 km 9 km
Jan 17, 1994 9km N of Chatsworth, California M5.2 69 km 5 km
Mar 29, 2014 2km NW of Brea, CA M5.1 44 km 5 km
Aug 20, 2023 7 km SE of Ojai, CA M5.1 106 km 5 km
Jan 19, 1994 10km SSW of Valencia, California M5.1 73 km 11 km
Apr 26, 1997 12km ESE of Piru, California M5.1 74 km 16 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

89 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 53 injuries.

Date Rating Distance Path Fatalities
Mar 1, 1983 EF2 25 km 3.5 mi 0
Nov 9, 1982 EF2 14 km 10.0 mi 0
Nov 9, 1982 EF2 48 km 1.0 mi 0
Nov 7, 1966 EF2 16 km 0.1 mi 0
Nov 7, 1966 EF2 41 km 0.2 mi 0
Nov 7, 1966 EF2 10 km 10.3 mi 0
Mar 22, 2023 EF1 34 km 0.5 mi 0
Jan 19, 2010 EF1 21 km 4.6 mi 0
Jan 9, 1998 EF1 17 km 1.5 mi 0
Dec 21, 1997 EF1 34 km 1.0 mi 0
Nov 11, 1997 EF1 50 km 0.2 mi 0
Jan 14, 1993 EF1 39 km 1.0 mi 0
Dec 7, 1992 EF1 32 km 0.1 mi 0
Dec 7, 1992 EF1 40 km 0.1 mi 0
Mar 20, 1992 EF1 41 km 0.2 mi 0
Mar 27, 1991 EF1 34 km 3.0 mi 0
Mar 16, 1986 EF1 40 km 1.2 mi 0
Oct 1, 1983 EF1 18 km 0.3 mi 0
Nov 9, 1982 EF1 43 km 0.2 mi 0
Nov 9, 1982 EF1 66 km 0.2 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 3.1 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1930 S. CALIFORNIA Eruption + Earthquake 3.1 m 1 41 km
1994 WEST COAST, USA Earthquake 0.1 m 57 53 km
1855 S. CALIFORNIA Eruption + Earthquake — — 44 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: STATION (165,368 acres, 2009).

Year Name Acres Burned Distance
2009 STATION 165,368 66 km
2020 BOBCAT 115,728 73 km
2003 SIMI 107,756 76 km
2018 WOOLSEY 97,962 60 km
2003 PIRU 63,920 93 km
2003 GRAND PRIX 50,799 94 km
2016 SAND 41,561 70 km
2007 BUCKWEED 41,332 84 km
1993 GREEN MEADOWS 38,115 70 km
2002 WILLIAMS 37,505 71 km
2007 RANCH 37,009 91 km
2016 BLUE CUT 36,856 100 km
2008 YELLOW 33,232 92 km
2008 FREEWAY COMPLEX 29,350 58 km
2007 SANTIAGO 27,605 64 km
2020 INDIA 24,193 94 km
2005 TOPANGA 24,133 60 km
1997 HOPPER 24,072 91 km
2013 SPRINGS 24,042 73 km
2018 HOLY 22,845 82 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 57°F (14°C) 3.1 in Wettest
February 57°F (14°C) 3.0 in
March 57°F (14°C) 2.4 in
April 59°F (15°C) 0.9 in
May 61°F (16°C) 0.2 in
June 65°F (18°C) 0.0 in Driest
July 69°F (21°C) 0.0 in
August 70°F (21°C) 0.1 in Warmest
September 69°F (20°C) 0.2 in
October 65°F (19°C) 0.3 in
November 60°F (16°C) 1.7 in
December 56°F (14°C) 2.0 in Coldest

Rolling Hills has a seasonal temperature swing of 14°F / from 56°F in December to 70°F in August. Total annual precipitation is 14.0 inches, with January being the wettest month (3.1") and June the driest (0.0").

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