Daylight through the yearLongest day (Jun 21): 14 h 32 min5:48 am – 8:20 pmShortest day (Dec 21): 9 h 47 min7:07 am – 4:54 pm
Sun todaySunrise –Sunset –
ClimateWarmest month September: highs 80°F, lows 53°FColdest month December: highs 65°F, lows 40°F18 in of rain a year, on about 28 dayswettest month JanuarySnow is rare15 days above 90°F, 8 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, San Luis Obispo Ap station, 1 mi away; snow from San Luis Obispo Poly
Nearby landmarksIslay Hillpeak · under a mileBlack Buttepeak · 5.4 miCalifornia Polytechnic State Universitycollege · 5.1 miLaguna Lakelake · 4.8 miWhite Rockisland · 7.3 miSulphur Potsspring · 5.4 miSource: USGS Geographic Names Information System
Earthquakes678 of magnitude 3 or more within 50 miles since 197054 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 6.5 on 22 Dec 200342 mi away, near San Simeon, CaliforniaMost recent: magnitude 3.5 on 12 Dec 202524 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSan Luis Obispo County, CA, compared with all US countiesHigher-risk hazardsDrought Very HighLandslide Relatively HighWildfire Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality52% of days had good air in 2025191 of 365 days measured167 moderate, 7 unhealthy for sensitive groups daysMedian index 50, worst day 119main pollutant: ozoneSource: US EPA Air Quality Index, San Luis Obispo County monitors, CA
Drinking waterSan Luis Obispo Water Departmentserves 47,788 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation299 ft91 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSan Luis Obispo County Psychiatric Health Facility3.2 miPost officeMission San Luis Obispo Post Office3.9 miTown hallSan Luis Obispo City Hall4.2 miPoliceSan Luis Obispo Police Department4.4 miFire stationSan Luis Obispo County Fire Department - Fire Station 211.2 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi1 school1 elementaryElementaryLos Ranchos Elementary School1.2 miCollegeCalifornia Polytechnic State University5.1 miSource: USGS National Structures Dataset
Getting aroundAirportSan Luis County Regional Airport SBP1.5 miMajor airportFresno Yosemite International Airport FAT118 miUS highwayUS 1013.6 miAmtrakAmtrak Station SLO3.6 miCoachSan Luis Obispo Santa Barbara AvenueFlixBus3.4 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 93403 ZIP area.
