Weather & Climate in Aromas, CA

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

Aromas enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 51°F in January while summers reach 63°F in July / relatively mild seasonal variation. The area gets 323 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 22.7 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 555 feet.

Temperature

51°F Jan (11°C) 63°F Jul (17°C)

Annual Average	57.6°F
	7% above US avg
January Average	51°F (11°C)
July Average	63°F (17°C)
Sunny Days	323 days/yr

Geography

Elevation	555 ft (169 m)
Area	4.8 sq mi (12.3 km²)
Population Density	600/sq mi
Coordinates	36.8748°N, 121.6307°W
Timezone	America/Los_Angeles
County	San Benito County County
Nearest Airport	Monterey Regional (MRY) 23 miles away

Precipitation & Snow

Annual Rainfall 22.7"

40% below US avg

Snowfall 0.0"

Wettest Month (Jan) 3.98"

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

5,027 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.

Apr 18, 1990	5 km NNW of Aromas, California	M5.4	7 km	5 km
Oct 21, 2012	24 km NE of San Lucas, California	M5.3	93 km	9 km
Sep 17, 1991	22 km NW of San Simeon, California	M5.2	121 km	9 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	20 km	9 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	11 km	7 km
Sep 29, 2004	8 km NW of Parkfield, California	M5.0	144 km	11 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	22 km	7 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	11 km	7 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	2 km	5 km
Dec 20, 1994	3 km NW of Parkfield, California	M4.9	149 km	8 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	7 km	6 km
Apr 23, 1995	22 km NNE of Soledad, California	M4.9	49 km	7 km
Sep 30, 2004	13 km NW of Parkfield, California	M4.9	139 km	10 km
Nov 14, 1993	8 km NW of Parkfield, California	M4.8	144 km	11 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	55 km	8 km
Apr 18, 1990	4 km N of Aromas, California	M4.7	6 km	4 km
Feb 4, 1991	33 km SE of Big Sur, California	M4.7	94 km	9 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	49 km	9 km
Aug 27, 2011	21 km NE of Soledad, California	M4.6	52 km	8 km
Aug 18, 1999	0 km S of Bolinas, California	M4.6	148 km	8 km

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

Tornado History

36 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 11 injuries.

Date	Rating	Distance	Path	Fatalities
May 5, 1998	EF2	66 km	0.6 mi	0
Mar 11, 1985	EF2	21 km	0.5 mi	0
Jan 11, 1951	EF2	70 km	5.7 mi	0
Dec 14, 2024	EF1	41 km	0.3 mi	0
Dec 20, 2001	EF1	17 km	0.5 mi	0
May 5, 1998	EF1	71 km	0.3 mi	0
Dec 6, 1992	EF1	44 km	7.0 mi	0
Dec 6, 1992	EF1	38 km	1.0 mi	0
Jan 14, 1980	EF1	71 km	0.3 mi	0
Mar 4, 1978	EF1	92 km	1.0 mi	0
Apr 22, 1967	EF1	82 km	1.0 mi	0
Apr 22, 1967	EF1	88 km	0.1 mi	0
Apr 1, 1965	EF1	19 km	0.1 mi	0
Jan 6, 2019	EF0	38 km	0.1 mi	0
Jan 6, 2019	EF0	36 km	0.5 mi	0
Apr 22, 2016	EF0	70 km	0.2 mi	0
Jan 6, 2016	EF0	23 km	0.6 mi	0
Dec 22, 2012	EF0	18 km	1.1 mi	0
Feb 9, 2009	EF0	99 km	0.1 mi	0
Apr 14, 2007	EF0	14 km	0.2 mi	0

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

Tsunami History

6 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	101 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	29 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	—	91 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	—	120 km
1901	MONTEREY BAY, N. CALIFORNIA	Eruption + Earthquake	—	—	140 km
1865	N. CALIFORNIA	Eruption + Earthquake	—	—	43 km

Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: SCU LIGHTNING COMPLEX (405,787 acres, 2020).

Year	Name	Acres Burned	Distance
2020	SCU LIGHTNING COMPLEX	405,787	70 km
2008	BASIN COMPLEX	164,537	74 km
2016	SOBERANES	131,921	62 km
2020	DOLAN	124,382	90 km
2020	CZU AUG LIGHTNING	85,894	60 km
2008	BASIN COMPLEX (INDIANS)	59,095	85 km
1985	GORDA-RAT	52,474	91 km
2020	RIVER	51,582	44 km
2007	LICK	47,424	43 km
1999	KIRK COMPLEX (HARE)	43,054	93 km
1985	CHERRY	41,654	99 km
2006	CANYON	36,851	60 km
1999	KIRK COMPLEX (FIVE)	36,162	66 km
2003	ANNIE	17,383	52 km
1996	MERCY	16,993	72 km
2024	CORRAL	16,138	86 km
2008	CHALK	15,420	97 km
1996	PANOCHE II	14,760	96 km
1984	BONANZA	12,105	63 km
2009	CORRAL	12,006	81 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	51°F (11°C)	4.0 in	Wettest
February	51°F (11°C)	3.2 in
March	53°F (12°C)	3.1 in
April	56°F (14°C)	1.5 in
May	60°F (16°C)	0.2 in
June	64°F (18°C)	0.1 in
July	63°F (17°C)	0.1 in	Driest
August	68°F (20°C)	0.1 in	Warmest
September	67°F (19°C)	0.3 in
October	63°F (17°C)	0.9 in
November	55°F (13°C)	2.8 in
December	49°F (9°C)	3.1 in	Coldest

Aromas has a seasonal temperature swing of 19°F / from 49°F in December to 68°F in August. Total annual precipitation is 19.4 inches, with January being the wettest month (4.0") and July the driest (0.1").

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