Daylight through the yearLongest day (Jun 21): 14 h 27 min5:43 am – 8:10 pmShortest day (Dec 21): 9 h 52 min6:57 am – 4:48 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 96°F, lows 64°FColdest month December: highs 62°F, lows 44°F17 in of rain a year, on about 19 dayswettest month FebruarySnow is rare87 days above 90°F, 1 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Newhall 5nw station, 8 mi away
Parks and public landsMarr Ranch Open Spacerecreation area · within reach · 1,868 acresRocky Peak Parkpark · under a mile · 4,029 acresSanta Susana Pass State Historic Parkstate historic site · 4.2 mi · 682 acresUpper Las Virgenes Open Space Preserve / Ahmansonstate conservation land · 6.4 mi · 5,428 acresSanta Monica Mountains National Recreation Areanational recreation area · 12.6 mi · 23,867 acresHopper Mountain National Wildlife Refugenational wildlife refuge · 12.9 mi · 2,338 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes1,415 of magnitude 3 or more within 50 miles since 1970195 of magnitude 4+, 24 of magnitude 5+Largest: magnitude 6.7 on 17 Jan 199411 mi away, Northridge, CaliforniaMost recent: magnitude 3.1 on 6 Sep 202641 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighVentura County, CA, compared with all US countiesHigher-risk hazardsRiver flooding Very HighWildfire Relatively HighEarthquake Relatively HighLandslide Relatively HighSource: FEMA National Risk Index (county level)
Air quality52% of days had good air in 2025190 of 365 days measured167 moderate, 8 unhealthy for sensitive groups daysMedian index 50, worst day 131main pollutant: ozoneSource: US EPA Air Quality Index, Ventura County monitors, CA
Drinking waterVentura WWD No. 8 - Simi Valleyserves 94,738 people from surface water purchasedNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation1,600 ft488 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalAdventist Health Simi Valley3.5 miPost officeSimi Valley Post Office3.4 miTown hallSimi Valley City Hall2.3 miPoliceSimi Valley Police Department2.3 miFire stationVentura County Fire Protection District Station 46 Tapo Street1.6 miSource: USGS National Structures Dataset
Getting aroundAirportHollywood Burbank/Bob Hope Airport BUR20 miInterstateI-58.4 miUS highwayUS 10111 miAmtrakSimi Valley, CA SIM2.7 miRailSimi ValleyMetrolink2.6 miCoachSanta Clarita-Newhall Amtrak StationAmtrak Chartered Vehicle10 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 93062 ZIP area.
