Daylight through the yearLongest day (Jun 21): 14 h 51 min5:48 am – 8:39 pmShortest day (Dec 21): 9 h 29 min7:25 am – 4:54 pm
Sun todaySunrise –Sunset –
People0 residentsin the ZIP code area0 householdsSource: US Census Bureau, American Community Survey 2020-2024
ClimateWarmest month August: highs 78°F, lows 53°FColdest month December: highs 55°F, lows 41°F54 in of rain a year, on about 58 dayswettest month DecemberSnow is rare15 days above 90°F, 3 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Occidental station, 7 mi away; snow from Graton
Nearby landmarksCA State Parks Trailheadtrailhead · 1.0 miShell Beachbeach · 4.5 miMount Hellerpeak · 2.3 miEagle Rockpeak · 4.3 miFern Springspring · 2.8 miJenner Visitor Centervisitor center · 3.8 miSource: USGS Geographic Names Information System
Parks and public landsSonoma Coast State Parkstate park · 1.2 mi · 3,374 acresMonte Rio Public Beachpark · 1.9 miAustin Creek State Recreation Areastate recreation area · 5.8 mi · 5,650 acresArmstrong Redwoods State Natural Reservestate conservation land · 5.2 mi · 764 acresHarrison Grade Ecological Reservestate conservation land · 6.4 miSteelhead Beach Fishing Accessstate recreation area · 8.1 mi · 54 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes1,135 of magnitude 3 or more within 50 miles since 197098 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 6.0 on 24 Aug 201443 mi away, The 2014 South Napa, CaliforniaMost recent: magnitude 3.3 on 3 Sep 202618 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSonoma County, CA, compared with all US countiesHigher-risk hazardsLandslide Relatively HighEarthquake Relatively HighDrought Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality100% of days had good air in 2025365 of 365 days measuredNo moderate or unhealthy daysMedian index 9, worst day 39main pollutant: coarse particles (PM10)Source: US EPA Air Quality Index, Sonoma County monitors, CA
Drinking waterAustin Acres Mutual Water Companyserves 82 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation59 ft18 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSonoma Specialty Hospital13.1 miPost officeDuncans Mills Post Officeunder a milePoliceSonoma County Sheriff's Office - Guerneville Substation3.8 miFire stationMonte Rio Fire Protection District Station 2under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi1 school1 otherSchoolMonte Rio School1.9 miSource: USGS National Structures Dataset
Getting aroundAirportCharles M. Schulz Sonoma County Airport STS13 miMajor airportOakland San Francisco Bay Airport OAK68 miUS highwayUS 10114 miAmtrakRichmond, CA RIC52 miRailSMART WindsorSonoma Marin Area Rail Transit (SMART)14 miCoachHealdsburg Amtrak Bus StopAmtrak Chartered Vehicle14 miTransit9 stops within a mileSonoma County Transit (SCT)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 95430 ZIP area.
