Weather & Climate in Vine Hill, CA

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

Vine Hill enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 46°F in January while summers reach 70°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 19.4 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 16 feet.

Temperature

46°F Jan (8°C) 70°F Jul (21°C)

Annual Average	58.2°F
	8% above US avg
January Average	46°F (8°C)
July Average	70°F (21°C)
Sunny Days	330 days/yr

Geography

Elevation	16 ft (5 m)
Area	1.5 sq mi (3.9 km²)
Population Density	2,411/sq mi
Coordinates	38.0071°N, 122.0873°W
Timezone	America/Los_Angeles
County	Marin County County
Nearest Airport	Metro Oakland International (OAK) 21 miles away

Precipitation & Snow

Annual Rainfall 19.4"

49% below US avg

Snowfall 0.0"

Wettest Month (Jan) 4.80"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	96.4 / 100
Social Vulnerability	24.7 / 100
Community Resilience	99.2 / 100

Hazard Breakdown

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

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

Earthquake History

5,038 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.

Aug 24, 2014	The 2014 South Napa, California Earthquake	M6.0	30 km	11 km
Apr 18, 1990	5 km NNW of Aromas, California	M5.4	125 km	5 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	150 km	9 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	122 km	7 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	123 km	7 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	124 km	7 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	50 km	9 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	132 km	5 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	126 km	6 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	95 km	7 km
May 12, 2006	7 km W of Cobb, California	M4.7	110 km	4 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	79 km	8 km
Apr 18, 1990	4 km N of Aromas, California	M4.7	126 km	4 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	85 km	9 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	110 km	1 km
Aug 18, 1999	0 km S of Bolinas, California	M4.6	54 km	8 km
Mar 24, 1991	1 km NNE of Interlaken, California	M4.6	120 km	15 km
Jan 11, 2000	6 km N of Geyserville, California	M4.6	111 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	110 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	110 km	2 km

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

Tornado History

69 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 4 injuries.

Date	Rating	Distance	Path	Fatalities
May 5, 1998	EF2	71 km	0.6 mi	0
Feb 7, 1978	EF2	95 km	1.9 mi	0
Jun 1, 1958	EF2	84 km	15.0 mi	0
Jan 11, 1951	EF2	71 km	5.7 mi	0
Mar 18, 2011	EF1	73 km	0.1 mi	0
Jan 23, 2010	EF1	30 km	1.6 mi	0
Mar 20, 2005	EF1	49 km	3.0 mi	0
Dec 5, 1998	EF1	73 km	1.5 mi	0
May 5, 1998	EF1	70 km	0.3 mi	0
Dec 23, 1996	EF1	79 km	6.0 mi	0
Feb 22, 1996	EF1	82 km	1.0 mi	0
Dec 2, 1992	EF1	83 km	7.5 mi	0
Dec 2, 1992	EF1	78 km	1.0 mi	0
Dec 2, 1992	EF1	88 km	3.0 mi	0
Apr 19, 1988	EF1	84 km	0.2 mi	0
Feb 27, 1983	EF1	73 km	0.8 mi	0
Jan 14, 1980	EF1	61 km	0.3 mi	0
May 31, 1967	EF1	69 km	0.1 mi	0
Nov 10, 1964	EF1	85 km	1.0 mi	0
Apr 1, 1958	EF1	49 km	0.2 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	34 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	110 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	—	59 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	—	50 km
1865	N. CALIFORNIA	Eruption + Earthquake	—	—	91 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (122 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	122 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

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	77 km
2020	HENNESSEY	314,241	71 km
2018	COUNTY	92,450	75 km
2020	CZU AUG LIGHTNING	85,894	96 km
2019	KINCADE	77,780	95 km
2015	VALLEY	77,507	98 km
2020	GLASS	68,020	73 km
2017	NUNS	56,883	53 km
2017	ATLAS	51,664	42 km
2004	RUMSEY	39,335	85 km
1999	SIXTEEN	37,162	91 km
2017	TUBBS	36,981	81 km
2006	CANYON	36,851	97 km
1988	MILLER	35,750	47 km
2024	CORRAL	16,138	69 km
2006	ZAM ASSIST	14,404	85 km
2004	GEYSERS	12,075	99 km
2009	CORRAL	12,006	70 km
1995	VISION	11,931	68 km
1985	LEXINGTON	11,550	97 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	46°F (8°C)	4.8 in	Coldest, Wettest
February	51°F (11°C)	4.1 in
March	54°F (12°C)	3.2 in
April	58°F (15°C)	1.2 in
May	63°F (17°C)	0.5 in
June	68°F (20°C)	0.1 in
July	70°F (21°C)	0.0 in	Driest
August	71°F (22°C)	0.1 in	Warmest
September	69°F (21°C)	0.3 in
October	63°F (17°C)	1.2 in
November	54°F (12°C)	3.2 in
December	47°F (8°C)	3.4 in

Vine Hill has a seasonal temperature swing of 25°F / from 46°F in January to 71°F in August. Total annual precipitation is 21.9 inches, with January being the wettest month (4.8") and July the driest (0.0").

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