Weather & Climate in Eastvale, CA

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

Eastvale enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 56°F in January while summers reach 78°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 10.0 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 623 feet.

Temperature

56°F Jan (13°C) 78°F Jul (26°C)

Annual Average	66.1°F
	22% above US avg
January Average	56°F (13°C)
July Average	78°F (26°C)
Sunny Days	330 days/yr

Geography

Elevation	623 ft (190 m)
Area	11.5 sq mi (29.7 km²)
Population Density	5,535/sq mi
Coordinates	33.9633°N, 117.5824°W
Timezone	America/Los_Angeles
County	Orange County County
Nearest Airport	Ontario International (ONT) 6 miles away

Precipitation & Snow

Annual Rainfall 10.0"

74% below US avg

Wettest Month (Feb) 3.07"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very High
Risk Score	99.8 / 100
Social Vulnerability	24.9 / 100
Community Resilience	16.3 / 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

13,359 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.3.

Jun 28, 1992	The 1992 Landers, California Earthquake	M7.3	109 km	0 km
Oct 16, 1999	The 1999 Hector Mine, California Earthquake	M7.1	140 km	14 km
Jan 17, 1994	Northridge, California, earthquake	M6.7	92 km	18 km
Jun 28, 1992	The 1992 Big Bear, California Earthquake	M6.3	75 km	4 km
Apr 23, 1992	The 1992 Joshua Tree, California Earthquake	M6.1	117 km	12 km
Jan 17, 1994	1km ENE of Granada Hills, California	M5.9	91 km	5 km
Jun 28, 1991	The 1991 Sierra Madre, California Earthquake	M5.8	51 km	8 km
Oct 16, 1999	13km WSW of Ludlow, CA	M5.8	143 km	14 km
Jun 28, 1992	3km NE of Yucca Valley, California	M5.8	110 km	-1 km
Jun 28, 1992	2km SSW of Joshua Tree, California	M5.7	117 km	6 km
Jun 29, 1992	3km ESE of Yucca Valley, California	M5.7	110 km	10 km
Jul 11, 1992	12km NW of California City, California	M5.7	146 km	10 km
Oct 16, 1999	7km ENE of Running Springs, CA	M5.6	59 km	6 km
Jan 17, 1994	7km NNE of Simi Valley, California	M5.6	110 km	9 km
Jun 28, 1992	11km SSE of Big Bear Lake, California	M5.5	71 km	10 km
Feb 28, 1990	The 1990 Upland, California Earthquake	M5.5	23 km	3 km
Jun 28, 1992	0km E of Yucca Valley, CA	M5.5	108 km	8 km
Jul 7, 2010	20km NNW of Borrego Springs, CA	M5.4	119 km	12 km
Jul 5, 1992	21km SW of Ludlow, California	M5.4	135 km	5 km
Jun 28, 1992	26km NNW of Yucca Valley, CA	M5.4	107 km	4 km

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

Tornado History

125 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 58 injuries.

Date	Rating	Distance	Path	Fatalities
May 22, 2008	EF2	32 km	2.8 mi	0
Mar 1, 1983	EF2	73 km	3.5 mi	0
Nov 9, 1982	EF2	84 km	1.0 mi	0
Nov 9, 1982	EF2	61 km	10.0 mi	0
Nov 7, 1966	EF2	47 km	0.2 mi	0
Nov 7, 1966	EF2	67 km	0.1 mi	0
Nov 7, 1966	EF2	70 km	10.3 mi	0
Jun 25, 1954	EF2	82 km	0.1 mi	0
Mar 22, 2023	EF1	50 km	0.5 mi	0
Jan 19, 2010	EF1	57 km	4.6 mi	0
Feb 19, 2005	EF1	66 km	2.8 mi	0
Jan 9, 1998	EF1	58 km	1.5 mi	0
Dec 21, 1997	EF1	51 km	1.0 mi	0
Nov 11, 1997	EF1	38 km	0.2 mi	0
May 18, 1997	EF1	80 km	9.0 mi	0
May 18, 1997	EF1	81 km	3.5 mi	0
May 11, 1997	EF1	71 km	0.2 mi	0
Dec 22, 1996	EF1	74 km	0.1 mi	0
Jan 14, 1993	EF1	35 km	1.0 mi	0
Dec 7, 1992	EF1	45 km	0.1 mi	0

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

Tsunami History

4 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	98 km
1862	S. CALIFORNIA	Eruption + Earthquake	1.2 m	—	145 km
1994	WEST COAST, USA	Earthquake	0.1 m	57	92 km
1855	S. CALIFORNIA	Eruption + Earthquake	—	—	50 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	65 km
2020	BOBCAT	115,728	52 km
2003	OLD	90,180	42 km
2006	MILLARD	86,585	90 km
1999	WILLOW	63,525	61 km
2003	GRAND PRIX	50,799	27 km
2007	POOMACHA	47,496	96 km
2016	SAND	41,561	85 km
2006	ESPERANZA	40,566	66 km
2002	WILLIAMS	37,505	31 km
2016	BLUE CUT	36,856	41 km
2008	YELLOW	33,232	65 km
2020	APPLE	32,374	66 km
2015	LAKE	30,421	78 km
2008	FREEWAY COMPLEX	29,350	17 km
2022	FAIRVIEW	28,680	73 km
2013	MOUNTAIN	28,202	91 km
2007	SANTIAGO	27,605	28 km
1998	EDNA	27,561	55 km
2020	INDIA	24,193	64 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	56°F (13°C)	3.0 in
February	56°F (13°C)	3.1 in	Wettest
March	57°F (14°C)	2.7 in
April	61°F (16°C)	0.9 in
May	65°F (18°C)	0.2 in
June	70°F (21°C)	0.1 in
July	78°F (26°C)	0.0 in	Warmest, Driest
August	76°F (25°C)	0.1 in
September	73°F (23°C)	0.4 in
October	67°F (20°C)	0.4 in
November	59°F (15°C)	1.5 in
December	54°F (12°C)	2.0 in	Coldest

Eastvale has a seasonal temperature swing of 24°F / from 54°F in December to 78°F in July. Total annual precipitation is 14.4 inches, with February being the wettest month (3.1") and July the driest (0.0").

View full profile of Eastvale, CA →