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Yermo, CA

Full City Profile · California · San Bernardino County County

2.6 /5.0
C+ Fair
846 Population 1,302/sq mi density
$56,414 Median Income $39,363 per capita
$623 Median Rent 13.0% income on rent
68°F Avg Temperature 330 sunny days/yr
929 Violent Crime/100K 3,345 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$56,414 median income, 30.6% unemployment
A+
Affordability
5.0 / 5.0
F
Safety
1.0 / 5.0
929 violent crimes/100K (145% above avg)
D
Education
1.6 / 5.0
7.6% bachelor's degree or higher
Yermo enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 49°F in January while summers reach 90°F in July. The area gets 330 sunny days per year. Annual precipitation totals 3.8 inches. The area receives 0.2 inches of snow annually. Air quality is rated Good with a median AQI of 48.

Temperature

49°F Jan (9°C) 90°F Jul (32°C)
Annual Average68.0°F
26% above US avg
January Average49°F (9°C)
July Average90°F (32°C)
Sunny Days330 days/yr

Geography

Elevation1,928 ft (588 m)
Area0.7 sq mi (1.7 km²)
Population Density1,302/sq mi
Coordinates34.9067°N, 116.8233°W
TimezoneAmerica/Los_Angeles
CountySan Bernardino County County
Nearest AirportSan Bernardino International (SBD)
61 miles away

Precipitation & Snow

Annual Rainfall 3.8"
90% below US avg
Snowfall 0.2"
Wettest Month (Jan) 0.59"
Driest Month (Jun) 0.04"

Air Quality

AQI Median48.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0529 ppm
NO₂ (Nitrogen Dioxide)22.1 ppb
SO₂ (Sulfur Dioxide)0.25 ppb
CO (Carbon Monoxide)0.28 ppm
PM2.5 (Fine Particles)9.4 μg/m³

Natural Hazard Risk

Overall RiskVery High
Risk Score99.8 / 100
Social Vulnerability33.2 / 100
Community Resilience20.1 / 100

Hazard Breakdown

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

Earthquake History

14,497 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.3. Most recent: M2.8 on Aug 28, 2025.

Jun 28, 1992 The 1992 Landers, California Earthquake M7.3 86 km
Oct 16, 1999 The 1999 Hector Mine, California Earthquake M7.1 61 km
Jul 6, 2019 Ridgecrest Earthquake Sequence M7.1 119 km
Jul 4, 2019 Ridgecrest Earthquake Sequence M6.4 108 km
Jun 28, 1992 The 1992 Big Bear, California Earthquake M6.3 78 km
Apr 23, 1992 The 1992 Joshua Tree, California Earthquake M6.1 115 km
Jun 28, 1991 The 1991 Sierra Madre, California Earthquake M5.8 128 km
Oct 16, 1999 13km WSW of Ludlow, CA M5.8 55 km
Jun 28, 1992 3km NE of Yucca Valley, California M5.8 94 km
Sep 20, 1995 16km NNE of Ridgecrest, California M5.8 120 km
Jun 28, 1992 2km SSW of Joshua Tree, California M5.7 99 km
Jun 29, 1992 3km ESE of Yucca Valley, California M5.7 97 km
Jul 11, 1992 12km NW of California City, California M5.7 118 km
Oct 16, 1999 7km ENE of Running Springs, CA M5.6 77 km
Jun 28, 1992 11km SSE of Big Bear Lake, California M5.5 83 km
Jun 4, 2020 17km S of Searles Valley, CA M5.5 96 km
Feb 28, 1990 The 1990 Upland, California Earthquake M5.5 117 km
Jul 6, 2019 15km ESE of Little Lake, CA M5.5 139 km
Jun 28, 1992 0km E of Yucca Valley, CA M5.5 95 km
Jul 6, 2019 20km E of Little Lake, CA M5.4 136 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

27 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 3 injuries.

Date Rating Distance Fatalities
Sep 7, 1982 EF2 86 km 0
Jun 25, 1954 EF2 46 km 0
Aug 4, 2008 EF1 66 km 0
May 18, 1997 EF1 48 km 0
May 18, 1997 EF1 47 km 0
May 11, 1997 EF1 55 km 0
Sep 4, 1976 EF1 78 km 0
Oct 22, 1974 EF1 91 km 0
Sep 9, 2021 EF0 96 km 0
May 7, 2017 EF0 60 km 0
Jul 19, 2015 EF0 78 km 0
Aug 18, 2013 EF0 49 km 0
Aug 14, 2004 EF0 72 km 0
Aug 14, 2004 EF0 87 km 0
Jul 7, 2001 EF0 98 km 0
Jun 6, 1997 EF0 70 km 0
Mar 20, 1991 EF0 95 km 0
Sep 29, 1990 EF0 8 km 0
Aug 14, 1990 EF0 7 km 0
Jul 21, 1986 EF0 28 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

1 tsunami recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1855 S. CALIFORNIA Eruption + Earthquake — — 147 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: OLD (90,180 ac, 2003).

Year Name Acres Distance
2003 OLD 90,180 85 km
2006 MILLARD 86,585 90 km
1999 WILLOW 63,525 68 km
2003 GRAND PRIX 50,799 100 km
2016 BLUE CUT 36,856 90 km
2020 APPLE 32,374 97 km
2015 LAKE 30,421 85 km
2020 EL DORADO 22,300 93 km
2007 BUTLER 2 14,661 70 km
2007 SLIDE 13,190 80 km
1994 DEVILS 12,778 68 km
2016 PILOT 8,267 77 km
1993 OPAL 2 8,223 42 km
2009 SHEEP 7,451 93 km
2002 BLUECUT 7,199 87 km
2002 LOUISIANA 6,651 91 km
2007 LOS FLORES 4,834 73 km
1986 NSCRIPTION 4,710 42 km
1993 MILL CREEK 4,475 97 km
2015 NORTH 4,366 84 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 49°F (9°C) 0.6 in Wettest
February 53°F (11°C) 0.6 in
March 57°F (14°C) 0.5 in
April 64°F (18°C) 0.2 in
May 72°F (22°C) 0.1 in
June 81°F (27°C) 0.0 in Driest
July 90°F (32°C) 0.2 in Warmest
August 87°F (30°C) 0.4 in
September 80°F (27°C) 0.3 in
October 69°F (20°C) 0.2 in
November 56°F (13°C) 0.2 in
December 48°F (9°C) 0.4 in Coldest

Yermo has a seasonal temperature swing of 42°F / from 48°F in December to 90°F in July. Total annual precipitation is 3.7 inches, with January being the wettest month (0.6") and June the driest (0.0").

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