Weather & Climate in Bay Point, CA

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

Bay Point enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 48°F in January while summers reach 77°F in July. The area gets 326 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 24.8 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 66 feet.

Temperature

48°F Jan (9°C) 77°F Jul (25°C)

Annual Average	62.1°F
	15% above US avg
January Average	48°F (9°C)
July Average	77°F (25°C)
Sunny Days	326 days/yr

Geography

Elevation	66 ft (20 m)
Area	7.4 sq mi (19.1 km²)
Population Density	3,743/sq mi
Coordinates	38.0323°N, 121.9622°W
Timezone	America/Los_Angeles
County	Solano County County
Nearest Airport	Metro Oakland International (OAK) 26 miles away

Precipitation & Snow

Annual Rainfall 24.8"

35% below US avg

Wettest Month (Jan) 3.82"

Driest Month (Jul) 0.04"

Air Quality

AQI Median	48.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively High
Risk Score	97.0 / 100
Social Vulnerability	25.2 / 100
Community Resilience	71.8 / 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 Low
Winter Weather	Very Low
Lightning	Relatively Moderate
Drought	Relatively High
Cold Wave	No Rating
Landslide	Relatively High
Coastal Flood	Relatively High
Tsunami	Very Low
Volcano	Very Low
Avalanche	Very Low

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

Earthquake History

5,062 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	37 km	11 km
Apr 18, 1990	5 km NNW of Aromas, California	M5.4	125 km	5 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	122 km	7 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	149 km	9 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	121 km	7 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	125 km	6 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	123 km	7 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	131 km	5 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	99 km	7 km
May 12, 2006	7 km W of Cobb, California	M4.7	115 km	4 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	78 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	84 km	9 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	114 km	1 km
Aug 18, 1999	0 km S of Bolinas, California	M4.6	65 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	117 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	114 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	114 km	2 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
May 5, 1998	EF2	74 km	0.6 mi	0
Feb 7, 1978	EF2	87 km	1.9 mi	0
Jun 1, 1958	EF2	93 km	15.0 mi	0
Apr 27, 1953	EF2	95 km	0.1 mi	0
Jan 11, 1951	EF2	75 km	5.7 mi	0
Mar 18, 2011	EF1	80 km	0.1 mi	0
Jan 23, 2010	EF1	22 km	1.6 mi	0
Apr 14, 2006	EF1	95 km	0.5 mi	0
Mar 20, 2005	EF1	59 km	3.0 mi	0
Dec 5, 1998	EF1	79 km	1.5 mi	0
May 5, 1998	EF1	74 km	0.3 mi	0
Dec 23, 1996	EF1	88 km	6.0 mi	0
Feb 22, 1996	EF1	88 km	1.0 mi	0
Dec 2, 1992	EF1	86 km	1.0 mi	0
Dec 2, 1992	EF1	94 km	3.0 mi	0
Dec 2, 1992	EF1	92 km	7.5 mi	0
Apr 19, 1988	EF1	100 km	1.0 mi	0
Apr 19, 1988	EF1	73 km	0.2 mi	0
Mar 22, 1983	EF1	93 km	2.0 mi	0
Feb 27, 1983	EF1	79 km	0.8 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	39 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	111 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	-	66 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	-	60 km
1865	N. CALIFORNIA	Eruption + Earthquake	-	-	93 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (126 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	126 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	72 km
2020	HENNESSEY	314,241	71 km
2018	COUNTY	92,450	74 km
2020	GLASS	68,020	77 km
2017	NUNS	56,883	59 km
2017	ATLAS	51,664	44 km
2004	RUMSEY	39,335	85 km
1999	SIXTEEN	37,162	91 km
2017	TUBBS	36,981	86 km
2006	CANYON	36,851	92 km
1988	MILLER	35,750	46 km
2024	CORRAL	16,138	62 km
2006	ZAM ASSIST	14,404	80 km
2018	WAVERLY	12,238	98 km
2009	CORRAL	12,006	64 km
1995	VISION	11,931	79 km
1985	LEXINGTON	11,550	99 km
1996	SCOTT	8,828	99 km
2015	WRAGG	8,455	51 km
2003	BIRD	7,727	77 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	48°F (9°C)	3.8 in	Wettest
February	51°F (11°C)	3.2 in
March	55°F (13°C)	2.3 in
April	59°F (15°C)	0.9 in
May	64°F (18°C)	0.4 in
June	68°F (20°C)	0.1 in
July	77°F (25°C)	0.0 in	Warmest, Driest
August	71°F (21°C)	0.1 in
September	69°F (20°C)	0.2 in
October	63°F (17°C)	1.0 in
November	54°F (12°C)	2.5 in
December	47°F (8°C)	2.6 in	Coldest

Bay Point has a seasonal temperature swing of 30°F / from 47°F in December to 77°F in July. Total annual precipitation is 17.2 inches, with January being the wettest month (3.8") and July the driest (0.0").

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