Daylight through the yearLongest day (Jun 21): 14 h 46 min5:48 am – 8:34 pmShortest day (Dec 21): 9 h 34 min7:21 am – 4:54 pm
Sun todaySunrise –Sunset –
ClimateWarmest month September: highs 75°F, lows 56°FColdest month January: highs 58°F, lows 45°F20 in of rain a year, on about 39 dayswettest month DecemberSnow is rare4 days above 90°F, 0 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, San Francisco Intl Ap station, 4 mi away; snow from Pacifica 4 Sse
Nearby landmarksPoint San Brunocape · 1.8 miSierra Pointcape · 2.1 miSkyline Collegecollege · 3.1 miRockaway Beachbeach · 5.3 miSan Bruno Mountainpeak · 2.4 miSan Andreas Lakelake · 4.1 miSource: USGS Geographic Names Information System
Parks and public landsGolden Gate National Cemeteryhistoric site · 1.2 mi · 160 acresOrange Memorial Parkpark · under a mileSign Hill Parkpark · under a mileSan Bruno Mountain Ecological Reservestate conservation land · 1.8 mi · 96 acresCandlestick Point State Recreation Areastate recreation area · 4.3 mi · 52 acresMontara State Beachstate park · 7.1 mi · 891 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes934 of magnitude 3 or more within 50 miles since 1970105 of magnitude 4+, 12 of magnitude 5+Largest: magnitude 6.2 on 24 Apr 198447 mi away, The 1984 Morgan Hill, CaliforniaMost recent: magnitude 3.1 on 12 Sep 202636 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSan Mateo County, CA, compared with all US countiesHigher-risk hazardsEarthquake Relatively HighLandslide Relatively HighRiver flooding Relatively HighDrought Relatively HighSource: FEMA National Risk Index (county level)
Air quality99% of days had good air in 2025353 of 356 days measured3 moderate daysMedian index 33, worst day 61main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Solano County, CA, 50 mi away
Drinking waterWestborough Water Districtserves 13,486 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation50 ft15 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalKaiser Permanente - South San Francisco Medical Center1.2 miPost officeLinden Post Officeunder a mileTown hallSouth San Francisco City Hallunder a milePoliceSouth San Francisco Police Department1.0 miFire stationSouth San Francisco Fire Department Station 61under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi16 schools6 elementary, 2 middle, 4 high, 4 otherSchoolAll Souls Catholic Schoolunder a mileElementarySpruce Elementary Schoolunder a mileElementaryLos Cerritos Elementary Schoolunder a mileCollegeSkyline College3.1 miSource: USGS National Structures Dataset
Getting aroundAirportSan Francisco International Airport SFO3.4 miInterstateI-3801.5 miUS highwayUS 101under a mileAmtrakJack London Square Station OKJ13 miRailSouth San Francisco Caltrain SouthboundCaltrainunder a mileCoachSan Francisco Bus StationFlixBus8.4 miTransit71 stops within a mileSamTrans, CaltrainSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 94099 ZIP area.
