Daylight through the yearLongest day (Jun 21): 14 h 54 min5:44 am – 8:38 pmShortest day (Dec 21): 9 h 27 min7:24 am – 4:51 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 88°F, lows 69°FColdest month January: highs 42°F, lows 24°F46 in of rain a yearwettest month July21 in of snow a year, on about 10 days41 days above 90°F, 94 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Manassas station, 8 mi away; rain from Oak Hill 0.3 Wsw; snow from Washington Dc Dulles Ap
Nearby landmarksTwin Lakesreservoir · 1.7 miNorth Twin Lakelake · 1.7 miSouth Twin Lakelake · 1.8 miBull Run Occoquan Trail-Bull Run Regional Park Trailheadpark · 3.0 miWalney Visitor Centervisitor center · 2.1 miBull Run-Occoquan Trail Route 28 Trailheadtrailhead · 2.1 miSource: USGS Geographic Names Information System
Parks and public landsHistoric Centervillepark · under a mileCentre Ridge City Parkpark · under a mileManassas National Battlefield Parkhistoric site · 4.2 mi · 4,419 acresLake Burke Public Fishing Lakestate recreation area · 8.2 mi · 203 acresGeorge Washington Memorial Parkwaynational park · 17.1 miBull Run Mountains State Natural Area Preservestate conservation land · 13.2 mi · 2,567 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes2 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 16 Jul 201030 mi away, near Barnesville, MarylandMost recent: magnitude 3.0 on 17 Jan 201640 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowFairfax City, VA, compared with all US countiesHighest-rated hazardsHurricane Relatively LowHeat wave Relatively LowSource: FEMA National Risk Index (county level)
Air quality78% of days had good air in 2025284 of 365 days measured80 moderate, 1 unhealthy for sensitive groups daysMedian index 42, worst day 124main pollutant: ozoneSource: US EPA Air Quality Index, Fairfax County monitors, VA
Drinking waterFairfax County Water Authorityserves 1,121,613 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation370 ft113 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalInova Fair Oaks Hospital4.6 miPost officeCentreville Post Officeunder a mileTown hallClifton Town Hall4.3 miPoliceFairfax County Police Department Sully District Station3.0 miFire stationCentreville Volunteer Fire Department Station 17under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi10 schools6 elementary, 1 middle, 2 high, 1 otherElementaryMontessori Children's Centerunder a mileHighMountain View High Schoolunder a mileElementaryCentre Ridge Elementary Schoolunder a mileCollegeFairfax University of America4.7 miSource: USGS National Structures Dataset
Getting aroundAirportWashington Dulles International Airport IAD8.0 miInterstateI-66under a mileUS highwayUS 29under a mileAmtrakManassas, VA MSS6.0 miRailManassas ParkVirginia Railway Express (VRE)4.5 miCoachManassas, VA (Manassas Cushing Commuter Lot, 7312 Cushing Rd, Manassas, VA 20109, United States.)OurBus7.5 miTransit65 stops within a mileFairfax Connector Bus SystemSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 22121 ZIP area.
