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Weather & Climate in Oak Hills, CA

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

Oak Hills enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 48°F in January while summers reach 81°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 7.9 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 3,797 feet.

Temperature

48°F Jan (9°C) 81°F Jul (27°C)
Annual Average63.6°F
18% above US avg
January Average48°F (9°C)
July Average81°F (27°C)
Sunny Days330 days/yr

Geography

Elevation3,797 ft (1,157 m)
Area24.4 sq mi (63.2 km²)
Population Density336/sq mi
Coordinates34.3899°N, 117.4031°W
TimezoneAmerica/Los_Angeles
CountyLos Angeles County County
Nearest AirportSan Bernardino International (SBD)
23 miles away

Precipitation & Snow

Annual Rainfall 7.9"
79% below US avg
Wettest Month (Jan) 2.36"
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

14,700 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 91 km 0 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 107 km 14 km
Jan 17, 1994 Northridge, California, earthquake M6.7 106 km 18 km
Jul 4, 2019 Ridgecrest Earthquake Sequence M6.4 147 km 11 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 57 km 4 km
Apr 23, 1992 The 1992 Joshua Tree, California Earthquake M6.1 111 km 12 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 101 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 56 km 8 km
Jun 28, 1992 3km NE of Yucca Valley, California M5.8 96 km -1 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 107 km 14 km
Jun 28, 1992 2km SSW of Joshua Tree, California M5.7 104 km 6 km
Jun 29, 1992 3km ESE of Yucca Valley, California M5.7 97 km 10 km
Jul 11, 1992 12km NW of California City, California M5.7 110 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 37 km 6 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 119 km 9 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 57 km 10 km
Jun 4, 2020 17km S of Searles Valley, CA M5.5 136 km 8 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 38 km 3 km
Jun 28, 1992 0km E of Yucca Valley, CA M5.5 95 km 8 km
Jul 7, 2010 20km NNW of Borrego Springs, CA M5.4 138 km 12 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

112 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 45 injuries.

Date Rating Distance Path Fatalities
May 22, 2008 EF2 58 km 2.8 mi 0
Mar 1, 1983 EF2 100 km 3.5 mi 0
Nov 9, 1982 EF2 100 km 10.0 mi 0
Nov 9, 1982 EF2 99 km 1.0 mi 0
Sep 7, 1982 EF2 97 km 0.5 mi 0
Nov 7, 1966 EF2 99 km 0.1 mi 0
Nov 7, 1966 EF2 95 km 0.2 mi 0
Jun 25, 1954 EF2 33 km 0.1 mi 0
Mar 22, 2023 EF1 79 km 0.5 mi 0
Aug 4, 2008 EF1 75 km 1.1 mi 0
Jan 9, 1998 EF1 98 km 1.5 mi 0
Dec 21, 1997 EF1 97 km 1.0 mi 0
Nov 11, 1997 EF1 88 km 0.2 mi 0
May 18, 1997 EF1 31 km 3.5 mi 0
May 18, 1997 EF1 31 km 9.0 mi 0
May 11, 1997 EF1 24 km 0.2 mi 0
Dec 22, 1996 EF1 78 km 0.1 mi 0
Jan 14, 1993 EF1 76 km 1.0 mi 0
Dec 7, 1992 EF1 78 km 0.1 mi 0
Dec 7, 1992 EF1 90 km 0.1 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 1 121 km
1994 WEST COAST, USA Earthquake 0.1 m 57 106 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: STATION (165,368 acres, 2009).

Year Name Acres Burned Distance
2009 STATION 165,368 68 km
2020 BOBCAT 115,728 49 km
2003 OLD 90,180 19 km
2006 MILLARD 86,585 78 km
1999 WILLOW 63,525 28 km
2003 GRAND PRIX 50,799 24 km
2016 SAND 41,561 87 km
2007 BUCKWEED 41,332 97 km
2006 ESPERANZA 40,566 76 km
2002 WILLIAMS 37,505 41 km
2016 BLUE CUT 36,856 12 km
2020 APPLE 32,374 63 km
2015 LAKE 30,421 65 km
2008 FREEWAY COMPLEX 29,350 62 km
2022 FAIRVIEW 28,680 94 km
2007 SANTIAGO 27,605 78 km
1998 EDNA 27,561 67 km
1993 CALIFORNIA 23,899 91 km
2018 HOLY 22,845 77 km
2020 EL DORADO 22,300 53 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 48°F (9°C) 2.4 in Wettest
February 46°F (8°C) 2.4 in
March 50°F (10°C) 2.1 in
April 55°F (13°C) 0.9 in
May 62°F (17°C) 0.4 in
June 71°F (22°C) 0.0 in Driest
July 81°F (27°C) 0.1 in Warmest
August 77°F (25°C) 0.3 in
September 71°F (22°C) 0.4 in
October 61°F (16°C) 0.5 in
November 51°F (10°C) 1.7 in
December 43°F (6°C) 2.0 in Coldest

Oak Hills has a seasonal temperature swing of 38°F / from 43°F in December to 81°F in July. Total annual precipitation is 13.1 inches, with January being the wettest month (2.4") and June the driest (0.0").

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