Daylight through the yearLongest day (Jun 21): 15 h 7 min5:44 am – 8:51 pmShortest day (Dec 21): 9 h 15 min7:37 am – 4:51 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 64°F, lows 53°FColdest month December: highs 55°F, lows 40°F40 in of rain a year, on about 76 dayswettest month DecemberSnow is rare0 days above 90°F, 8 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Eureka Wfo Woodley Island station, 6 mi away
Nearby landmarksHumboldt State Universitycollege · 2.8 miCape Hornpeak · 4.1 miGranite Buttepeak · 1.9 miDell'Arte International School of Physical Theatrecollege · 3.9 miWest Pointcape · 6.5 miNorth Fork Mad Riverriver · 3.5 miSource: USGS Geographic Names Information System
Parks and public landsArcata Community Parkpark · 2.2 miRedwood Parkpark · 2.2 miFay Slough Wildlife Areastate conservation land · 3.4 mi · 482 acresMad River Slough Wildlife Areastate conservation land · 3.5 mi · 563 acresAzalea State Natural Reservestate conservation land · 5.3 miSix Rivers National Forestnational forest · 8.5 mi · 977,951 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes2,003 of magnitude 3 or more within 50 miles since 1970292 of magnitude 4+, 37 of magnitude 5+Largest: magnitude 7.2 on 25 Apr 199236 mi away, The 1992 Petrolia, CaliforniaMost recent: magnitude 3.5 on 16 Sep 202646 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighHumboldt County, CA, compared with all US countiesHigher-risk hazardsLandslide Relatively HighEarthquake Relatively HighRiver flooding Relatively HighTsunami Relatively HighSource: FEMA National Risk Index (county level)
Air quality78% of days had good air in 2025285 of 365 days measured80 moderate daysMedian index 38, worst day 87main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Humboldt County monitors, CA
Drinking waterCity of Arcataserves 20,875 people from ground water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation147 ft45 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMad River Community Hospital4.4 miPost officeBayside Post Office1.0 miTown hallArcata City Hall2.6 miPoliceArcata Police Department2.6 miFire stationArcata Fire Protection District2.7 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi3 schools1 elementary, 1 middle, 1 otherElementaryJacoby Creek Elementary School1.2 miMiddleSunny Brae Middle School1.5 miSchoolHumboldt Bay Christian School1.9 miCollegeHumboldt State University2.8 miSource: USGS National Structures Dataset
Getting aroundAirportCalifornia Redwood Coast-Humboldt County Airport ACV9.9 miUS highwayUS 1012.1 miCoachArcataAmtrak Chartered Vehicle2.7 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 95518 ZIP area.
