Weather & Climate in Eucalyptus Hills, CA

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

Eucalyptus Hills enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 56°F in January while summers reach 75°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 11.6 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 715 feet.

Temperature

56°F Jan (13°C) 75°F Jul (24°C)

Annual Average	65.2°F
	21% above US avg
January Average	56°F (13°C)
July Average	75°F (24°C)
Sunny Days	330 days/yr

Geography

Elevation	715 ft (218 m)
Area	4.8 sq mi (12.4 km²)
Population Density	1,255/sq mi
Coordinates	32.8852°N, 116.9450°W
Timezone	America/Los_Angeles
County	San Diego County County
Nearest Airport	San Diego International (SAN) 18 miles away

Precipitation & Snow

Annual Rainfall 11.6"

69% below US avg

Snowfall 0.0"

Wettest Month (Jan) 2.87"

Driest Month (Jun) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very High
Risk Score	99.7 / 100
Social Vulnerability	24.8 / 100
Community Resilience	8.3 / 100

Hazard Breakdown

Tornado	Relatively Low
Hurricane	Very Low
Earthquake	Relatively High
Wildfire	Very High
Flood	Very High
Hail	Relatively Moderate
Strong Wind	Relatively Moderate
Heat Wave	Relatively High
Winter Weather	Relatively Low
Lightning	Relatively Moderate
Drought	Relatively Low
Cold Wave	Very Low
Landslide	Relatively High
Coastal Flood	Relatively Moderate
Tsunami	Relatively Low
Volcano	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

10,358 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.

Jun 28, 1992	The 1992 Big Bear, California Earthquake	M6.3	147 km	4 km
Apr 23, 1992	The 1992 Joshua Tree, California Earthquake	M6.1	133 km	12 km
Jun 28, 1992	3km NE of Yucca Valley, California	M5.8	147 km	-1 km
Jun 15, 2010	8km ESE of Ocotillo, CA	M5.7	99 km	9 km
Jun 28, 1992	2km SSW of Joshua Tree, California	M5.7	149 km	6 km
Jun 29, 1992	3km ESE of Yucca Valley, California	M5.7	145 km	10 km
Jun 28, 1992	11km SSE of Big Bear Lake, California	M5.5	142 km	10 km
Jun 28, 1992	0km E of Yucca Valley, CA	M5.5	145 km	8 km
Jul 7, 2010	20km NNW of Borrego Springs, CA	M5.4	74 km	12 km
Aug 26, 2012	4km NNW of Brawley, CA	M5.4	132 km	8 km
Aug 26, 2012	5km NNW of Brawley, CA	M5.3	131 km	8 km
Mar 23, 1994	35km E of Maneadero, B.C., MX	M5.3	146 km	5 km
Sep 15, 1992	9km SE of Yucca Valley, California	M5.3	142 km	7 km
Apr 4, 2010	15km SSW of Progreso, B.C., MX	M5.3	132 km	10 km
Jun 5, 2021	11km W of Calipatria, CA	M5.3	125 km	6 km
Aug 17, 1992	7km SE of Big Bear Lake, California	M5.2	146 km	9 km
Apr 14, 2025	5 km S of Julian, CA	M5.2	37 km	14 km
Jun 12, 2005	10km ESE of Anza, CA	M5.2	80 km	13 km
Jun 10, 2016	20km NNW of Borrego Springs, CA	M5.2	77 km	12 km
Mar 29, 2014	2km NW of Brea, CA	M5.1	147 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

39 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 5 injuries.

Date	Rating	Distance	Path	Fatalities
Feb 19, 2005	EF1	69 km	2.8 mi	0
Nov 10, 2000	EF1	10 km	0.4 mi	0
Jan 29, 1998	EF1	38 km	0.5 mi	0
Mar 27, 1991	EF1	36 km	0.2 mi	0
Mar 19, 1991	EF1	21 km	1.0 mi	0
Feb 20, 1980	EF1	27 km	0.1 mi	0
Dec 18, 1978	EF1	54 km	0.8 mi	0
Jul 20, 1974	EF1	96 km	1.0 mi	0
Oct 8, 1961	EF1	49 km	0.1 mi	0
Apr 13, 1956	EF1	31 km	0.1 mi	0
Oct 8, 2022	EF0	94 km	1.6 mi	0
Aug 16, 2018	EF0	79 km	0.2 mi	0
Oct 17, 2015	EF0	92 km	0.0 mi	0
Sep 22, 2007	EF0	36 km	0.1 mi	0
Jul 23, 2006	EF0	96 km	1.0 mi	0
Mar 11, 2006	EF0	24 km	2.0 mi	0
Mar 10, 2006	EF0	38 km	0.2 mi	0
Jul 23, 2005	EF0	94 km	2.0 mi	0
Feb 26, 2005	EF0	96 km	2.0 mi	0
Feb 23, 2005	EF0	31 km	0.1 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 1.2 m (4 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1862	S. CALIFORNIA	Eruption + Earthquake	1.2 m	—	32 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Salton Buttes (129 km).

Name	Type	Elevation	Last Eruption	Distance
Salton Buttes	Lava dome(s)	-40 m (-131 ft)	210	129 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CEDAR (268,362 acres, 2003).

Year	Name	Acres Burned	Distance
2003	CEDAR	268,362	18 km
2007	WITCH	167,551	27 km
2007	HARRIS	90,443	31 km
2002	PINES	65,407	45 km
2003	PARADISE	55,995	36 km
2007	POOMACHA	47,496	46 km
2003	MINE/OTAY	37,232	31 km
2008	YELLOW	33,232	74 km
2022	FAIRVIEW	28,680	88 km
2013	MOUNTAIN	28,202	99 km
2020	INDIA	24,193	73 km
1993	CALIFORNIA	23,899	84 km
1994	PALM	21,040	93 km
1993	ORTEGA	20,912	93 km
2003	COYOTE	19,215	65 km
2007	AMMO FIRE	19,213	70 km
1993	GUEJITO	17,141	26 km
2006	HORSE	16,659	35 km
2020	VALLEY	16,517	29 km
1986	UNNAMED	16,390	78 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	56°F (13°C)	2.9 in	Wettest
February	56°F (13°C)	2.6 in
March	57°F (14°C)	2.6 in
April	61°F (16°C)	1.2 in
May	64°F (18°C)	0.4 in
June	69°F (21°C)	0.1 in	Driest
July	75°F (24°C)	0.1 in
August	76°F (24°C)	0.2 in	Warmest
September	74°F (23°C)	0.4 in
October	68°F (20°C)	0.4 in
November	60°F (16°C)	1.7 in
December	55°F (13°C)	2.0 in	Coldest

Eucalyptus Hills has a seasonal temperature swing of 21°F / from 55°F in December to 76°F in August. Total annual precipitation is 14.5 inches, with January being the wettest month (2.9") and June the driest (0.1").

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