Daylight through the yearLongest day (Jun 21): 15 h 7 min5:21 am – 8:28 pmShortest day (Dec 21): 9 h 14 min7:13 am – 4:28 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, 7 mi away
Nearby landmarksCaleb Smith State Park Preservepark · under a mileHerman H. and Lillian Harries Sweetwater Farm Preservepark · 2.2 miPhillips Millpondlake · under a mileLake Ronkonkomalake · 5.0 miNew Millpondreservoir · 1.0 miLong Beachbeach · 5.3 miSource: USGS Geographic Names Information System
Parks and public landsCaleb Smith State Park Preservestate conservation land · under a mile · 548 acresSmithtown Town Landspark · within reach · 628 acresTown Of Smithtown Landpark · within reach · 1,248 acresNissequogue River State Parkstate park · 2.7 mi · 512 acresAlfred E. Smith/Sunken Meadow State Parkstate park · 3.6 mi · 3,117 acresKings Park Unique Areastate conservation land · 2.3 mi · 69 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes7 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.8 on 21 Oct 198139 mi away, near Madison Center, ConnecticutMost recent: magnitude 3.0 on 3 Aug 202544 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 serving the town
Elevation86 ft26 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSaint Catherine of Siena Medical Center1.2 miPost officeSmithtown Post Office1.3 miTown hallSmithtown Town Hallunder a milePoliceSuffolk County Police Department Fourth Precinct2.2 miFire stationSmithtown Fire Stationunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi11 schools6 elementary, 1 middle, 1 high, 3 otherSchoolSmithtown Christian Schoolunder a mileElementarySmithtown Elementary School1.0 miElementaryForest Brook Elementary School1.3 miCollegeLong Island University Brentwood4.8 miSource: USGS National Structures Dataset
Getting aroundAirportLong Island MacArthur Airport ISP6.9 miMajor airportJohn F. Kennedy International Airport JFK33 miInterstateI-4953.0 miUS highwayUS 120 miAmtrakNew Rochelle, NY NRO30 miRailSmithtownMTA Long Island Rail Road (MTA LIRR)under a mileCoachRonkonkoma, NY (44 Railroad Ave, Ronkonkoma LIRR station. Bus will stop on the north side of the station.)OurBus6.3 miTransit14 stops within a mileSuffolk County Transit (SCT), MTA Long Island Rail Road (MTA LIRR)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 11745 ZIP area.