Weather & Climate in Daly City, CA

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

Daly City experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 51°F in January while summers reach 58°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 35.2 inches. Air quality is rated Good with a median AQI of 48. The city sits at an elevation of 180 feet.

Temperature

51°F Jan (10°C) 58°F Jul (15°C)

Annual Average	54.9°F
	2% above US avg
January Average	51°F (10°C)
July Average	58°F (15°C)
Sunny Days	323 days/yr

Geography

Elevation	180 ft (55 m)
Area	7.6 sq mi (19.8 km²)
Population Density	13,407/sq mi
Coordinates	37.6862°N, 122.4687°W
Timezone	America/Los_Angeles
County	San Mateo County County
Nearest Airport	San Francisco International (SFO) 7 miles away

Precipitation & Snow

Annual Rainfall 35.2"

7% below US avg

Snowfall 0.1"

Wettest Month (Jan) 6.38"

Driest Month (Jul) 0.08"

Air Quality

AQI Median	48.0
Rating	Good

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

5,179 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	60 km	11 km
Apr 18, 1990	5 km NNW of Aromas, California	M5.4	110 km	5 km
Aug 12, 1998	10 km SW of Ridgemark, California	M5.1	137 km	9 km
Apr 18, 1990	4 km E of Interlaken, California	M5.1	107 km	7 km
Jan 16, 1993	9 km E of Gilroy, California	M4.9	116 km	7 km
Sep 3, 2000	5 km WSW of Yountville, California	M4.9	77 km	9 km
Apr 18, 1990	4 km NNW of Aromas, California	M4.9	111 km	6 km
May 14, 2002	5 km SSW of Gilroy, California	M4.9	111 km	7 km
Apr 19, 1996	2 km E of Aromas, California	M4.9	117 km	5 km
Sep 4, 1995	13 km SW of Middletown, California	M4.8	113 km	7 km
May 12, 2006	7 km W of Cobb, California	M4.7	129 km	4 km
May 21, 1996	8 km ESE of East Foothills, California	M4.7	75 km	8 km
Apr 18, 1990	4 km N of Aromas, California	M4.7	112 km	4 km
Aug 11, 1993	14 km ESE of Alum Rock, California	M4.7	81 km	9 km
Jan 2, 2025	4 km NW of Cobb, CA	M4.7	131 km	1 km
Aug 18, 1999	0 km S of Bolinas, California	M4.6	31 km	8 km
Mar 24, 1991	1 km NNE of Interlaken, California	M4.6	104 km	15 km
Jan 11, 2000	6 km N of Geyserville, California	M4.6	127 km	6 km
Feb 18, 2004	4 km WNW of Cobb, California	M4.6	131 km	3 km
Jan 12, 2014	8 km W of Cobb, California	M4.5	129 km	2 km

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

Tornado History

40 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 9 injuries.

Date	Rating	Distance	Path	Fatalities
May 5, 1998	EF2	52 km	0.6 mi	0
Jun 1, 1958	EF2	80 km	15.0 mi	0
Jan 11, 1951	EF2	47 km	5.7 mi	0
Dec 14, 2024	EF1	81 km	0.3 mi	0
Mar 18, 2011	EF1	88 km	0.1 mi	0
Jan 23, 2010	EF1	67 km	1.6 mi	0
Mar 20, 2005	EF1	6 km	3.0 mi	0
Dec 5, 1998	EF1	87 km	1.5 mi	0
May 5, 1998	EF1	46 km	0.3 mi	0
Dec 23, 1996	EF1	75 km	6.0 mi	0
Feb 22, 1996	EF1	99 km	1.0 mi	0
Dec 2, 1992	EF1	88 km	7.5 mi	0
Dec 2, 1992	EF1	85 km	1.0 mi	0
Feb 27, 1983	EF1	87 km	0.8 mi	0
Jan 14, 1980	EF1	57 km	0.3 mi	0
Apr 1, 1965	EF1	98 km	0.1 mi	0
Nov 10, 1964	EF1	98 km	1.0 mi	0
Apr 1, 1958	EF1	13 km	0.2 mi	0
Jan 6, 2019	EF0	90 km	0.5 mi	0
Jan 6, 2019	EF0	89 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	33 km
1989	N. CALIFORNIA	Earthquake	1.0 m	62	89 km
1856	N. CALIFORNIA	Eruption + Earthquake	0.6 m	—	26 km
1906	N. CALIFORNIA	Eruption + Earthquake	0.1 m	—	3 km
1865	N. CALIFORNIA	Eruption + Earthquake	—	—	74 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

1 volcano within 200 km. Closest: Clear Lake (145 km).

Name	Type	Elevation	Last Eruption	Distance
Clear Lake	Volcanic field	1,439 m (4,721 ft)	Unknown	145 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	88 km
2020	CZU AUG LIGHTNING	85,894	64 km
2020	GLASS	68,020	97 km
2017	NUNS	56,883	74 km
2017	ATLAS	51,664	78 km
2017	TUBBS	36,981	100 km
1988	MILLER	35,750	89 km
2024	CORRAL	16,138	89 km
2009	CORRAL	12,006	87 km
1995	VISION	11,931	53 km
1985	LEXINGTON	11,550	77 km
2015	WRAGG	8,455	95 km
2009	LOCKHEED	8,287	71 km
1984	SITE 300 3	6,911	88 km
2005	TESLA	6,638	80 km
2003	DEL PUERTO	6,441	98 km
2006	MIDWAY	6,243	83 km
2003	DEVIL	4,975	82 km
2020	WOODWARD	4,952	49 km
2000	BERRYESSA	4,826	96 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	51°F (10°C)	6.4 in	Coldest, Wettest
February	53°F (12°C)	5.4 in
March	54°F (12°C)	4.8 in
April	56°F (13°C)	1.9 in
May	58°F (15°C)	0.7 in
June	61°F (16°C)	0.2 in
July	58°F (15°C)	0.1 in	Driest
August	63°F (17°C)	0.1 in
September	64°F (18°C)	0.4 in	Warmest
October	61°F (16°C)	1.8 in
November	56°F (13°C)	4.3 in
December	51°F (10°C)	4.9 in

Daly City has a seasonal temperature swing of 13°F / from 51°F in January to 64°F in September. Total annual precipitation is 30.8 inches, with January being the wettest month (6.4") and July the driest (0.1").

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