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Weather & Climate in Boron, CA

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

Boron enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 47°F in January while summers reach 85°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 6.7 inches (drier than the 38-inch national average). The area receives 2.2 inches of snow annually. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 2,568 feet.

Temperature

47°F Jan (8°C) 85°F Jul (29°C)
Annual Average64.2°F
19% above US avg
January Average47°F (8°C)
July Average85°F (29°C)
Sunny Days330 days/yr

Geography

Elevation2,568 ft (783 m)
Area13.8 sq mi (35.8 km²)
Population Density192/sq mi
Coordinates35.0198°N, 117.6659°W
TimezoneAmerica/Los_Angeles
CountyKern County County
Nearest AirportOntario International (ONT)
67 miles away

Precipitation & Snow

Annual Rainfall 6.7"
82% below US avg
Snowfall 2.2"
Wettest Month (Jan) 0.67"
Driest Month (May) 0.04"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score98.9 / 100
Social Vulnerability61.1 / 100
Community Resilience6.5 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively High
Wildfire Relatively High
Flood Relatively High
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Relatively High
Winter Weather Relatively Moderate
Lightning Relatively High
Drought Relatively High
Cold Wave Very Low
Landslide Relatively High
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

15,730 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 145 km 0 km
Jul 6, 2019 Ridgecrest Earthquake Sequence M7.1 84 km 8 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 136 km 14 km
Jan 17, 1994 Northridge, California, earthquake M6.7 120 km 18 km
Jul 4, 2019 Ridgecrest Earthquake Sequence M6.4 78 km 11 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 119 km 4 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 112 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 89 km 8 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 131 km 14 km
Sep 20, 1995 16km NNE of Ridgecrest, California M5.8 83 km 5 km
Jul 11, 1992 12km NW of California City, California M5.7 42 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 104 km 6 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 122 km 9 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 121 km 10 km
Jun 4, 2020 17km S of Searles Valley, CA M5.5 70 km 8 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 97 km 3 km
Jul 6, 2019 15km ESE of Little Lake, CA M5.5 98 km 5 km
Jul 6, 2019 20km E of Little Lake, CA M5.4 99 km 7 km
Jul 5, 1992 21km SW of Ludlow, California M5.4 132 km 5 km
Jun 28, 1992 26km NNW of Yucca Valley, CA M5.4 130 km 4 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

31 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date Rating Distance Path Fatalities
Jun 25, 1954 EF2 61 km 0.1 mi 0
May 18, 1997 EF1 59 km 3.5 mi 0
May 18, 1997 EF1 64 km 9.0 mi 0
May 11, 1997 EF1 70 km 0.2 mi 0
Sep 4, 1976 EF1 45 km 0.1 mi 0
Sep 9, 2021 EF0 56 km 1.8 mi 0
Apr 16, 2019 EF0 66 km 1.6 mi 0
May 7, 2017 EF0 52 km 0.0 mi 0
Aug 18, 2013 EF0 43 km 1.0 mi 0
Sep 1, 2007 EF0 58 km 0.1 mi 0
Sep 1, 2007 EF0 54 km 13.1 mi 0
Aug 15, 2005 EF0 44 km 0.1 mi 0
Aug 14, 2004 EF0 67 km 1.0 mi 0
Aug 28, 2000 EF0 60 km 0.1 mi 0
Jul 21, 1997 EF0 64 km 0.1 mi 0
Jun 6, 1997 EF0 75 km 0.2 mi 0
Jun 26, 1995 EF0 28 km 2.0 mi 0
Mar 26, 1991 EF0 68 km 0.1 mi 0
Mar 25, 1991 EF0 73 km 0.2 mi 0
Mar 20, 1991 EF0 99 km 1.0 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 1 142 km
1994 WEST COAST, USA Earthquake 0.1 m 57 120 km
1855 S. CALIFORNIA Eruption + Earthquake — — 110 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Golden Trout Creek (160 km).

Name Type Elevation Last Eruption Distance
Golden Trout Creek Volcanic field 2,886 m (9,469 ft) -5550 160 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

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 88 km
2020 BOBCAT 115,728 81 km
2003 OLD 90,180 93 km
1999 WILLOW 63,525 91 km
2003 GRAND PRIX 50,799 94 km
2016 ERSKINE 48,066 86 km
2016 SAND 41,561 94 km
2007 BUCKWEED 41,332 91 km
2002 WILLIAMS 37,505 92 km
2016 BLUE CUT 36,856 79 km
2008 PIUTE 36,251 81 km
2013 POWERHOUSE 32,329 82 km
2020 LAKE 30,971 90 km
1984 BODFISH 23,189 90 km
2002 CURVE 20,565 81 km
2002 COPPER 19,048 91 km
2004 PINE 18,309 91 km
1997 NARROWS 18,248 77 km
2011 CANYON 14,707 66 km
2010 CROWN 14,033 71 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 47°F (8°C) 0.7 in Wettest
February 49°F (10°C) 0.6 in
March 54°F (12°C) 0.5 in
April 60°F (15°C) 0.3 in
May 68°F (20°C) 0.0 in Driest
June 77°F (25°C) 0.0 in
July 85°F (29°C) 0.1 in Warmest
August 82°F (28°C) 0.2 in
September 75°F (24°C) 0.2 in
October 64°F (18°C) 0.2 in
November 52°F (11°C) 0.5 in
December 44°F (7°C) 0.5 in Coldest

Boron has a seasonal temperature swing of 41°F / from 44°F in December to 85°F in July. Total annual precipitation is 3.8 inches, with January being the wettest month (0.7") and May the driest (0.0").

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