Daylight through the yearLongest day (Jun 21): 14 h 44 min5:47 am – 8:32 pmShortest day (Dec 21): 9 h 35 min7:18 am – 4:54 pm
Sun todaySunrise –Sunset –
ClimateWarmest month September: highs 78°F, lows 57°FColdest month December: highs 59°F, lows 42°F13 in of rain a year, on about 32 dayswettest month FebruarySnow is rare9 days above 90°F, 2 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Moffett Federal Airfield station, 4 mi away; snow from San Jose
Nearby landmarksDeAnza Collegecollege · 2.3 miUniversity of East - West Medicinecollege · 3.3 miStevens Creek Reservoirreservoir · 4.6 miMoffett Bay Trailtrailhead · 6.0 miStevens Creek Trailtrailhead · 6.0 miGuadalupe Riverriver · 6.0 miSource: USGS Geographic Names Information System
Parks and public landsSerra Parkpark · under a mileHeritage Parkpark · under a mileDon Edwards San Francisco Bay National Wildlife Refugenational wildlife refuge · 6.0 mi · 24,973 acresCastle Rock State Parkstate park · 8.3 mi · 123 acresPortola Redwoods State Parkstate park · 9.8 mi · 2,717 acresSpartan Stadiumstate recreation area · 9.4 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes1,903 of magnitude 3 or more within 50 miles since 1970202 of magnitude 4+, 16 of magnitude 5+Largest: magnitude 6.9 on 18 Oct 198923 mi away, The 1989 Loma Prieta, CaliforniaMost recent: magnitude 3.1 on 12 Sep 202637 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very HighSanta Clara County, CA, compared with all US countiesHigher-risk hazardsEarthquake Very HighRiver flooding Very HighLandslide Relatively HighDrought Relatively HighSource: FEMA National Risk Index (county level)
Air quality88% of days had good air in 2025320 of 365 days measured45 moderate daysMedian index 35, worst day 71main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Santa Cruz County, CA, 24 mi away
Drinking waterCity of Sunnyvaleserves 157,566 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation172 ft52 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalKaiser Permanente Santa Clara Medical Center2.3 miPost officeEncinal Post Officeunder a mileTown hallSunnyvale City Hall1.3 miPoliceSunnyvale Police Department1.3 miFire stationSunnyvale Fire Station 3under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi31 schools14 elementary, 4 middle, 7 high, 6 otherHighCommunity Day Schoolright hereHighSanta Clara County Regional Occupational Program School - Northright hereHighFremont Union High School District Adult Schoolright hereCollegeDeAnza College2.3 miSource: USGS National Structures Dataset
Getting aroundAirportMineta San Jose International Airport SJC6.0 miInterstateI-2801.4 miUS highwayUS 1014.3 miAmtrakGreat America GAC5.4 miRailSunnyvale Caltrain SouthboundCaltrain1.9 miCoachSan JoseAmtrak Chartered Vehicle7.5 miTransit32 stops within a mileValley Transportation AuthoritySources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 94088 ZIP area.
