Daylight through the yearLongest day (Jun 21): 15 h 6 min5:20 am – 8:27 pmShortest day (Dec 21): 9 h 15 min7:12 am – 4:27 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 83°F, lows 67°FColdest month January: highs 39°F, lows 25°F46 in of rain a year, on about 76 dayswettest month December32 in of snow a year, on about 13 days8 days above 90°F, 98 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Islip Li Macarthur Ap station, 3 mi away
Nearby landmarksFarmingville Hills County Parkpark · 1.7 miSwan Lakelake · 3.8 miLake Ronkonkomalake · 4.4 miSaint Joseph's College - Long Islandcollege · 2.6 miSuffolk County Community College Ammerman Campuscollege · 2.8 miSans Souci County Park Trailheadpark · 3.5 miSource: USGS Geographic Names Information System
Parks and public landsTown Parkpark · under a mileMorris Ave Ballfieldspark · 1.2 miFire Island National Seashorenational seashore · 6.8 mi · 2,905 acresWertheim National Wildlife Refugenational wildlife refuge · 6.6 mi · 2,671 acresStillman Creek State Tidal Wetlandstate conservation land · 4.8 miConnetquot River State Park Preservestate conservation land · 4.9 mi · 3,472 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes5 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.8 on 21 Oct 198134 mi away, near Madison Center, ConnecticutMost recent: magnitude 3.0 on 28 Oct 199133 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSuffolk County, NY, compared with all US countiesHigher-risk hazardsWinter weather Very HighCoastal flooding Very HighLightning Very HighIce storm Very HighSource: FEMA National Risk Index (county level)
Air quality73% of days had good air in 2025265 of 365 days measured95 moderate, 3 unhealthy for sensitive groups, 2 unhealthy daysMedian index 41, worst day 154main pollutant: ozoneSource: US EPA Air Quality Index, Suffolk County monitors, NY
Drinking waterSuffolk County Water Authorityserves 1,100,000 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation91 ft28 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalNYU Langone Hospital - Suffolk4.0 miPost officeHoltsville Post Officeunder a mileTown hallBrookhaven Town Hall2.7 miPoliceSuffolk County Police Department Fifth Precinct3.0 miFire stationHoltsville Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi8 schools5 elementary, 2 middle, 1 otherSchoolLong Island Baptist Academyunder a mileElementaryTamarac Elementary Schoolunder a mileElementaryWaverly Avenue Elementary School1.0 miCollegeSaint Joseph's College - Long Island2.6 miSource: USGS National Structures Dataset
Getting aroundAirportLong Island MacArthur Airport ISP3.3 miMajor airportJohn F. Kennedy International Airport JFK40 miInterstateI-4951.4 miUS highwayUS 126 miAmtrakNew Rochelle, NY NRO39 miRailMedfordMTA Long Island Rail Road (MTA LIRR)2.3 miCoachFarmingville, NY (Park & Ride at exit 63 on Ocean Avenue)OurBus1.5 miTransit14 stops within a mileSuffolk 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 00501 ZIP area.