Weather & Climate in Tiburon, CA

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

Tiburon enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 52°F in January while summers reach 60°F in July / relatively mild seasonal variation. Annual precipitation totals 22.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 27 / among the cleanest air in the country. 88% of days have good air quality. The city sits at an elevation of 296 feet.

Temperature

52°F Jan (11°C) 60°F Jul (16°C)

Annual Average	57.7°F
	7% above US avg
January Average	52°F (11°C)
July Average	60°F (16°C)

Geography

Elevation	296 ft (90 m)
Area	13.2 sq mi (34.1 km²)
Population Density	2,012/sq mi
Coordinates	37.8868°N, 122.4626°W
Timezone	America/Los_Angeles
County	San Mateo County County
Nearest Airport	Metro Oakland International (OAK) 17 miles away

Precipitation & Snow

Annual Rainfall 22.9"

40% below US avg

Snowfall 0.0"

Wettest Month (Dec) 4.76"

Driest Month (Jul) 0.01"

Air Quality

AQI Median	27.0
Rating	Good
Good Days %	88.1%
Unhealthy Days	0

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	99.2 / 100
Social Vulnerability	20.5 / 100
Community Resilience	97.6 / 100

Hazard Breakdown

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

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

Earthquake History

4,907 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	39 km	11 km
Apr 18, 1990	5 km NNW of Aromas, California	M5.4	128 km	5 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	124 km	7 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	131 km	7 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	134 km	5 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	128 km	6 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	128 km	7 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	55 km	9 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	92 km	7 km
May 12, 2006	7 km W of Cobb, California	M4.7	108 km	4 km
Apr 18, 1990	4 km N of Aromas, California	M4.7	129 km	4 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	88 km	8 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	94 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	20 km	8 km
Mar 24, 1991	1 km NNE of Interlaken, California	M4.6	121 km	15 km
Jan 11, 2000	6 km N of Geyserville, California	M4.6	106 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	109 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	108 km	2 km
Sep 19, 2023	15 km SW of Westley, CA	M4.5	114 km	4 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
May 5, 1998	EF2	69 km	0.6 mi	0
Jun 1, 1958	EF2	63 km	15.0 mi	0
Jan 11, 1951	EF2	65 km	5.7 mi	0
Mar 18, 2011	EF1	67 km	0.1 mi	0
Jan 23, 2010	EF1	61 km	1.6 mi	0
Mar 20, 2005	EF1	27 km	3.0 mi	0
Jan 27, 2005	EF1	100 km	0.5 mi	0
Dec 5, 1998	EF1	66 km	1.5 mi	0
May 5, 1998	EF1	64 km	0.3 mi	0
Dec 23, 1996	EF1	58 km	6.0 mi	0
Feb 22, 1996	EF1	77 km	1.0 mi	0
Dec 2, 1992	EF1	66 km	1.0 mi	0
Dec 2, 1992	EF1	80 km	3.0 mi	0
Dec 2, 1992	EF1	69 km	7.5 mi	0
Feb 27, 1983	EF1	66 km	0.8 mi	0
Jan 14, 1980	EF1	68 km	0.3 mi	0
Nov 10, 1964	EF1	77 km	1.0 mi	0
Feb 17, 1959	EF1	98 km	0.5 mi	0
Apr 1, 1958	EF1	31 km	0.2 mi	0
Sep 28, 2019	EF0	99 km	1.7 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	38 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	108 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	-	45 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	-	21 km
1865	N. CALIFORNIA	Eruption + Earthquake	-	-	91 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (123 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	123 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	95 km
2020	HENNESSEY	314,241	83 km
2018	COUNTY	92,450	93 km
2020	CZU AUG LIGHTNING	85,894	85 km
2019	KINCADE	77,780	92 km
2020	GLASS	68,020	74 km
2017	NUNS	56,883	52 km
2020	WALLBRIDGE	55,194	94 km
2017	ATLAS	51,664	57 km
2004	RUMSEY	39,335	98 km
2017	TUBBS	36,981	78 km
1988	MILLER	35,750	69 km
2024	CORRAL	16,138	93 km
2004	GEYSERS	12,075	97 km
2009	CORRAL	12,006	92 km
1995	VISION	11,931	39 km
1985	LEXINGTON	11,550	95 km
2015	WRAGG	8,455	75 km
2009	LOCKHEED	8,287	92 km
2014	MONTICELLO	6,984	80 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	52°F (11°C)	4.4 in	Coldest
February	54°F (12°C)	4.4 in
March	56°F (13°C)	3.2 in
April	56°F (14°C)	1.6 in
May	58°F (14°C)	0.7 in
June	60°F (15°C)	0.2 in
July	60°F (16°C)	0.0 in	Driest
August	62°F (17°C)	0.1 in
September	63°F (17°C)	0.1 in	Warmest
October	62°F (17°C)	0.9 in
November	57°F (14°C)	2.6 in
December	53°F (11°C)	4.8 in	Wettest

Tiburon has a seasonal temperature swing of 11°F / from 52°F in January to 63°F in September. Total annual precipitation is 22.9 inches, with December being the wettest month (4.8") and July the driest (0.0").

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