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Weather & Climate in Mentone, CA

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

Mentone enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 54°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 12.9 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 1,833 feet.

Temperature

54°F Jan (12°C) 79°F Jul (26°C)
Annual Average65.2°F
21% above US avg
January Average54°F (12°C)
July Average79°F (26°C)
Sunny Days330 days/yr

Geography

Elevation1,833 ft (559 m)
Area6.1 sq mi (15.8 km²)
Population Density1,553/sq mi
Coordinates34.0606°N, 117.1150°W
TimezoneAmerica/Los_Angeles
CountyOrange County County
Nearest AirportSan Bernardino International (SBD)
7 miles away

Precipitation & Snow

Annual Rainfall 12.9"
66% below US avg
Snowfall 0.0"
Wettest Month (Feb) 2.80"
Driest Month (Jun) 0.08"

Air Quality

AQI Median48.0
RatingGood

Natural Hazard Risk

Overall RiskVery High
Risk Score99.8 / 100
Social Vulnerability24.9 / 100
Community Resilience16.3 / 100

Hazard Breakdown

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

Earthquake History

13,569 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 64 km 0 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 99 km 14 km
Jan 17, 1994 Northridge, California, earthquake M6.7 132 km 18 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 31 km 4 km
Apr 23, 1992 The 1992 Joshua Tree, California Earthquake M6.1 74 km 12 km
Jan 17, 1994 1km ENE of Granada Hills, California M5.9 129 km 5 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 84 km 8 km
Jun 28, 1992 3km NE of Yucca Valley, California M5.8 66 km -1 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 102 km 14 km
Jun 28, 1992 2km SSW of Joshua Tree, California M5.7 73 km 6 km
Jun 29, 1992 3km ESE of Yucca Valley, California M5.7 66 km 10 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 21 km 6 km
Jan 17, 1994 7km NNE of Simi Valley, California M5.6 149 km 9 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 27 km 10 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 54 km 3 km
Jun 28, 1992 0km E of Yucca Valley, CA M5.5 64 km 8 km
Jul 7, 2010 20km NNW of Borrego Springs, CA M5.4 93 km 12 km
Jul 5, 1992 21km SW of Ludlow, California M5.4 93 km 5 km
Jun 28, 1992 26km NNW of Yucca Valley, CA M5.4 64 km 4 km
Oct 16, 1999 32km SSW of Ludlow, California M5.4 90 km 1 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

101 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 14 injuries.

Date Rating Distance Path Fatalities
May 22, 2008 EF2 24 km 2.8 mi 0
Sep 7, 1982 EF2 71 km 0.5 mi 0
Nov 7, 1966 EF2 87 km 0.2 mi 0
Jun 25, 1954 EF2 64 km 0.1 mi 0
Mar 22, 2023 EF1 93 km 0.5 mi 0
Aug 4, 2008 EF1 58 km 1.1 mi 0
Feb 19, 2005 EF1 65 km 2.8 mi 0
Dec 21, 1997 EF1 93 km 1.0 mi 0
Nov 11, 1997 EF1 78 km 0.2 mi 0
May 18, 1997 EF1 60 km 9.0 mi 0
May 18, 1997 EF1 64 km 3.5 mi 0
May 11, 1997 EF1 52 km 0.2 mi 0
Dec 22, 1996 EF1 35 km 0.1 mi 0
Jan 14, 1993 EF1 80 km 1.0 mi 0
Dec 7, 1992 EF1 89 km 0.1 mi 0
Dec 7, 1992 EF1 79 km 0.1 mi 0
Mar 20, 1992 EF1 98 km 0.2 mi 0
Mar 27, 1991 EF1 93 km 3.0 mi 0
Mar 16, 1986 EF1 79 km 1.2 mi 0
Nov 9, 1982 EF1 74 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 1 141 km
1994 WEST COAST, USA Earthquake 0.1 m 57 132 km
1855 S. CALIFORNIA Eruption + Earthquake — — 91 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (169 km).

Name Type Elevation Last Eruption Distance
Salton Buttes Lava dome(s) -40 m (-131 ft) 210 169 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 99 km
2020 BOBCAT 115,728 81 km
2003 OLD 90,180 26 km
2006 MILLARD 86,585 46 km
1999 WILLOW 63,525 32 km
2003 PARADISE 55,995 97 km
2003 GRAND PRIX 50,799 36 km
2007 POOMACHA 47,496 87 km
2006 ESPERANZA 40,566 31 km
2002 WILLIAMS 37,505 63 km
2016 BLUE CUT 36,856 46 km
2008 YELLOW 33,232 81 km
2020 APPLE 32,374 23 km
2015 LAKE 30,421 34 km
2008 FREEWAY COMPLEX 29,350 61 km
2022 FAIRVIEW 28,680 49 km
2013 MOUNTAIN 28,202 57 km
2007 SANTIAGO 27,605 63 km
1998 EDNA 27,561 21 km
2020 INDIA 24,193 78 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 54°F (12°C) 2.8 in
February 50°F (10°C) 2.8 in Wettest
March 52°F (11°C) 2.7 in
April 57°F (14°C) 1.2 in
May 62°F (17°C) 0.5 in
June 69°F (21°C) 0.1 in Driest
July 79°F (26°C) 0.2 in Warmest
August 76°F (25°C) 0.4 in
September 72°F (22°C) 0.6 in
October 64°F (18°C) 0.6 in
November 55°F (13°C) 1.5 in
December 50°F (10°C) 2.0 in Coldest

Mentone has a seasonal temperature swing of 29°F / from 50°F in December to 79°F in July. Total annual precipitation is 15.1 inches, with February being the wettest month (2.8") and June the driest (0.1").

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