Daylight through the yearLongest day (Jun 21): 14 h 50 min5:46 am – 8:37 pmShortest day (Dec 21): 9 h 30 min7:23 am – 4:53 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 86°F, lows 53°FColdest month December: highs 57°F, lows 38°F28 in of rain a year, on about 47 dayswettest month DecemberSnow is rare44 days above 90°F, 21 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Sonoma station, 3 mi away
Nearby landmarksLake Josephinelake · 1.3 miFern Lakelake · 2.5 miCA State Parks Trailheadtrailhead · 3.1 miMount Pisgahpeak · 3.4 miJack London State Historic Park House of Happy Walls Visitor Center and Museumvisitor center · 3.4 miSonoma Mountainpeak · 3.6 miSource: USGS Geographic Names Information System
Parks and public landsErnie Smith Community Parkpark · 1.1 miJack London State Historic Parkstate historic site · 2.4 mi · 1,469 acresMaxwell Farms Regional Parkpark · 1.7 mi · 79 acresSonoma State Historic Parkstate historic site · 2.7 mi · 66 acresFairfield Osborn Preservestate conservation land · 4.5 mi · 448 acresPetaluma Adobe State Historic Parkstate historic site · 5.6 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes1,422 of magnitude 3 or more within 50 miles since 1970120 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 6.0 on 24 Aug 201413 mi away, The 2014 South Napa, CaliforniaMost recent: magnitude 3.1 on 12 Sep 202649 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 waterValley of the Moon Water Districtserves 23,107 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation244 ft74 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSonoma Valley Hospital3.0 miPost officeBoyes Hot Springs Post Office1.5 miTown hallSonoma City Hall3.2 miPoliceSonoma County Sheriff's Office - Sonoma Valley Substation1.6 miFire stationSonoma Valley Fire District Station 31.4 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi6 schools2 elementary, 1 middle, 1 high, 2 otherHighArchbishop Hanna High Schoolunder a mileMiddleAltimira Middle Schoolunder a mileSchoolWoodland Star Charter Schoolunder a mileCollegeSanta Rosa Junior College Petaluma Campus7.5 miSource: USGS National Structures Dataset
Getting aroundAirportCharles M. Schulz Sonoma County Airport STS21 miMajor airportOakland San Francisco Bay Airport OAK44 miInterstateI-8019 miUS highwayUS 1017.8 miAmtrakSuisun-Fairfield, CA SUI26 miRailSMART Petaluma NorthSonoma Marin Area Rail Transit (SMART)8.5 miCoachPetalumaAmtrak Chartered Vehicle8.7 miTransit4 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 95433 ZIP area.
