Daylight through the yearLongest day (Jun 21): 15 h 4 min5:27 am – 8:31 pmShortest day (Dec 21): 9 h 17 min7:17 am – 4:34 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 87°F, lows 66°FColdest month January: highs 40°F, lows 23°F50 in of rain a year, on about 82 dayswettest month June29 in of snow a year, on about 13 days24 days above 90°F, 111 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, New Brunswick 3 Se station, 3 mi away
Parks and public landsDaleys Pondpark · under a mileVarga Parkpark · under a mileCheesequake State Parkstate park · 4.6 mi · 72 acresPigeon Swamp State Parkstate park · 5.6 miJoyce Kilmer House Historic Sitestate historic site · 4.9 miDelaware and Raritan Canal State Parkstate park · 6.4 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes12 of magnitude 3 or more within 50 miles since 19701 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.8 on 5 Apr 202427 mi away, 2024 Tewksbury, New JerseyMost recent: magnitude 3.0 on 3 Aug 202533 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighMiddlesex County, NJ, compared with all US countiesHigher-risk hazardsStrong wind Very HighWinter weather Very HighIce storm Very HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality81% of days had good air in 2025295 of 362 days measured66 moderate, 1 unhealthy for sensitive groups daysMedian index 36, worst day 112main pollutant: ozoneSource: US EPA Air Quality Index, Middlesex County monitors, NJ
Drinking waterSouth River W Deptserves 16,000 people from surface water purchased4 health-based violations since 2021latest Feb 2025: surface water treatment, treatment technique17 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation22 ft7 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalRobert Wood Johnson University Hospital5.1 miPost officeSouth River Post Officeunder a mileTown hallSouth River Municipal Buildingunder a milePoliceSouth River Police Departmentunder a mileFire stationSouth River Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi16 schools6 elementary, 3 middle, 3 high, 4 otherSchoolPillars Preparatory Academyunder a mileElementarySouth River Elementary Schoolunder a mileMiddleSouth River Middle Schoolunder a mileCollegeDeVry University3.5 miSource: USGS National Structures Dataset
Getting aroundAirportNewark Liberty International Airport EWR20 miInterstateI-952.9 miUS highwayUS 13.4 miAmtrakNew Brunswick, NJ NBK5.0 miRailNew Brunswick Amtrak StationPennsylvania Department of Transportation (PENNDOT)5.0 miCoachEast Brunswick Transportation CenterSuburban Transit1.5 miTransit17 stops within a mileNJ TRANSITSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 08877 ZIP area.
