Weather & Climate in Chualar, CA

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

Chualar enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 52°F in January while summers reach 63°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 12.6 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 146 feet.

Temperature

52°F Jan (11°C) 63°F Jul (17°C)

Annual Average	58.1°F
	8% above US avg
January Average	52°F (11°C)
July Average	63°F (17°C)
Sunny Days	330 days/yr

Geography

Elevation	146 ft (45 m)
Area	0.6 sq mi (1.6 km²)
Population Density	1,654/sq mi
Coordinates	36.5711°N, 121.5103°W
Timezone	America/Los_Angeles
County	San Benito County County
Nearest Airport	Monterey Regional (MRY) 18 miles away

Precipitation & Snow

Annual Rainfall 12.6"

67% below US avg

Wettest Month (Jan) 3.58"

Driest Month (Jul) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	85.2 / 100
Social Vulnerability	10.6 / 100
Community Resilience	56.0 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Moderate
Wildfire	Relatively Moderate
Flood	Relatively Low
Hail	Very Low
Strong Wind	Very Low
Heat Wave	Relatively Low
Winter Weather	Very Low
Lightning	Very Low
Drought	Relatively High
Cold Wave	No Rating
Landslide	Relatively Moderate
Avalanche	Very Low

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

Earthquake History

5,274 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Sep 28, 2004	2004 Parkfield, California Earthquake	M6.0	133 km	8 km
Apr 18, 1990	5 km NNW of Aromas, California	M5.4	42 km	5 km
Oct 21, 2012	24 km NE of San Lucas, California	M5.3	65 km	9 km
Sep 17, 1991	22 km NW of San Simeon, California	M5.2	86 km	9 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	21 km	9 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	46 km	7 km
Sep 29, 2004	8 km NW of Parkfield, California	M5.0	114 km	11 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	50 km	7 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	45 km	7 km
Dec 20, 1994	3 km NW of Parkfield, California	M4.9	119 km	8 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	36 km	5 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	42 km	6 km
Apr 23, 1995	22 km NNE of Soledad, California	M4.9	28 km	7 km
Sep 30, 2004	13 km NW of Parkfield, California	M4.9	109 km	10 km
Nov 14, 1993	8 km NW of Parkfield, California	M4.8	114 km	11 km
Sep 28, 2004	12 km SE of Parkfield, California	M4.7	135 km	6 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	90 km	8 km
Feb 4, 1991	33 km SE of Big Sur, California	M4.7	60 km	9 km
Apr 18, 1990	4 km N of Aromas, California	M4.7	41 km	4 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	84 km	9 km

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

Tornado History

24 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 7 injuries.

Date	Rating	Distance	Path	Fatalities
Mar 11, 1985	EF2	33 km	0.5 mi	0
Dec 14, 2024	EF1	71 km	0.3 mi	0
Dec 20, 2001	EF1	50 km	0.5 mi	0
Feb 14, 1998	EF1	98 km	3.0 mi	0
Dec 6, 1992	EF1	37 km	7.0 mi	0
Dec 6, 1992	EF1	33 km	1.0 mi	0
Apr 22, 1967	EF1	90 km	1.0 mi	0
Apr 22, 1967	EF1	76 km	0.1 mi	0
Apr 1, 1965	EF1	52 km	0.1 mi	0
Jan 6, 2019	EF0	62 km	0.5 mi	0
Jan 6, 2019	EF0	64 km	0.1 mi	0
Apr 22, 2016	EF0	35 km	0.2 mi	0
Jan 6, 2016	EF0	42 km	0.6 mi	0
Dec 22, 2012	EF0	45 km	1.1 mi	0
Apr 14, 2007	EF0	48 km	0.2 mi	0
Dec 5, 1998	EF0	64 km	1.0 mi	0
Feb 14, 1998	EF0	86 km	0.1 mi	0
Dec 8, 1997	EF0	91 km	0.2 mi	0
Nov 13, 1997	EF0	78 km	3.0 mi	0
Apr 1, 1996	EF0	94 km	0.1 mi	0

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

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 4.5 m (15 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1868	N. CALIFORNIA	Eruption + Earthquake	4.5 m	30	136 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	61 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	—	125 km
1901	MONTEREY BAY, N. CALIFORNIA	Eruption + Earthquake	—	—	111 km
1865	N. CALIFORNIA	Eruption + Earthquake	—	—	78 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: BASIN COMPLEX (164,537 acres, 2008).

Year	Name	Acres Burned	Distance
2008	BASIN COMPLEX	164,537	40 km
2016	SOBERANES	131,921	32 km
2020	DOLAN	124,382	56 km
2020	CZU AUG LIGHTNING	85,894	90 km
2008	BASIN COMPLEX (INDIANS)	59,095	50 km
1985	GORDA-RAT	52,474	56 km
2020	RIVER	51,582	11 km
2007	LICK	47,424	73 km
1999	KIRK COMPLEX (HARE)	43,054	58 km
1985	CHERRY	41,654	64 km
2005	UNNAMED	39,070	76 km
2006	CANYON	36,851	89 km
1999	KIRK COMPLEX (FIVE)	36,162	34 km
2020	MINERAL	29,901	97 km
1996	WILD	24,439	69 km
1984	UNNAMED	23,122	76 km
1985	LOSGATOSIV	20,357	86 km
1996	UNNAMED	19,243	74 km
2024	BOONE	17,701	94 km
2003	ANNIE	17,383	77 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	52°F (11°C)	3.6 in	Wettest
February	51°F (11°C)	3.2 in
March	53°F (11°C)	3.1 in
April	55°F (13°C)	1.5 in
May	58°F (14°C)	0.2 in
June	62°F (16°C)	0.1 in
July	63°F (17°C)	0.1 in	Driest
August	65°F (18°C)	0.1 in	Warmest
September	65°F (18°C)	0.3 in
October	61°F (16°C)	0.9 in
November	54°F (12°C)	2.8 in
December	49°F (10°C)	3.1 in	Coldest

Chualar has a seasonal temperature swing of 16°F / from 49°F in December to 65°F in August. Total annual precipitation is 19.1 inches, with January being the wettest month (3.6") and July the driest (0.1").

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