Daylight through the yearLongest day (Jun 21): 15 h 5 min5:23 am – 8:29 pmShortest day (Dec 21): 9 h 16 min7:14 am – 4:30 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 82°F, lows 67°FColdest month January: highs 39°F, lows 26°F49 in of rain a year, on about 82 dayswettest month March26 in of snow a year, on about 13 days10 days above 90°F, 89 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Oceanside station, 2 mi away
Nearby landmarksHempstead Lake State Parkpark · 1.4 miMolloy Collegecollege · 1.6 miHempstead Lakelake · 1.0 miLoffs Lakelake · 1.2 miLong Island Beauty School - Hempsteadcollege · 3.0 miMill Riverriver · 2.3 miSource: USGS Geographic Names Information System
Parks and public landsHempstead Lake State Parkstate park · under a mile · 490 acresValley Stream State Parkstate park · 2.9 mi · 78 acresDonald F Browne RVC Parkpark · under a mileMorgan Days Parkpark · under a mile · 50 acresLido Beach Wildlife Management Areanational conservation area · 5.0 miJones Beach State Parkstate park · 6.7 mi · 6,048 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes8 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.6 on 19 Oct 198524 mi away, near Greenville, New YorkMost recent: magnitude 3.0 on 3 Aug 202525 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighNassau County, NY, compared with all US countiesHigher-risk hazardsWinter weather Very HighIce storm Very HighCoastal flooding Very HighLightning Very HighSource: FEMA National Risk Index (county level)
Air quality79% of days had good air in 2025287 of 364 days measured77 moderate daysMedian index 29, worst day 92main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Nassau County monitors, NY
Drinking waterRockville Centre (v)serves 24,700 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation35 ft11 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMount Sinai - South Nassau Hospital1.0 miPost officeRockville Centre Post Officeunder a mileTown hallRockville Centre Village Hallunder a milePoliceRockville Centre Police Departmentunder a mileFire stationRockville Centre Volunteer Fire Department Reliance Hose Company 3under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi29 schools17 elementary, 2 middle, 6 high, 4 otherMiddleSouth Side Middle Schoolunder a mileSchoolSaint Agnes Cathedral Schoolunder a mileElementaryFloyd B Watson Elementary Schoolunder a mileCollegeMolloy College1.6 miSource: USGS National Structures Dataset
Getting aroundAirportJohn F. Kennedy International Airport JFK7.6 miInterstateI-2957.3 miUS highwayUS 118 miAmtrakNew Rochelle, NY NRO19 miRailRockville CentreMTA Long Island Rail Road (MTA LIRR)under a mileCoachHempstead Bus StationGreyhound3.2 miTransit58 stops within a mileNassau Inter-County Express (NICE), 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 11571 ZIP area.
