Daylight through the yearLongest day (Jun 21): 14 h 19 min6:12 am – 8:31 pmShortest day (Dec 21): 10 h 0 min7:18 am – 5:17 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 88°F, lows 77°FColdest month January: highs 58°F, lows 44°F44 in of rain a year, on about 65 dayswettest month AugustSnow is rare25 days above 90°F, 6 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Charleston City station; snow from Charleston Intl Ap
Nearby landmarksOyster Pointcape · 1.2 miCollege of Charlestoncollege · under a mileCharleston School of Lawcollege · under a mileColonial Lakelake · under a mileHobcaw Pointcape · 3.8 miFort Sumter Visitor Education Centervisitor center · under a mileSource: USGS Geographic Names Information System
Parks and public landsAlberta Long Lakepark · under a mileHarmon Field Parkpark · 1.0 miFort Sumter and Fort Moultrie National Historical Parkhistoric site · 3.7 mi · 165 acresCrab Bank Seabird Sanctuarystate conservation land · 3.0 miFort Lamar Heritage Preservestate historic site · 5.5 miCharles Pinckney National Historic Sitehistoric site · 7.7 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes18 of magnitude 3 or more within 50 miles since 19703 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.7 on 22 Nov 197414 mi away, near Ladson, South CarolinaMost recent: magnitude 3.3 on 27 Sep 202117 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighCharleston County, SC, compared with all US countiesHigher-risk hazardsCoastal flooding Very HighHurricane Very HighEarthquake Relatively HighIce storm Relatively HighSource: FEMA National Risk Index (county level)
Air quality61% of days had good air in 2025222 of 365 days measured142 moderate, 1 unhealthy for sensitive groups daysMedian index 47, worst day 105main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Charleston County monitors, SC
Drinking waterCharleston Water System (sc1010001)serves 327,422 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation12 ft4 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMedical University of South Carolina Medical Centerunder a milePost officeEast Bay Post Officeunder a mileTown hallCharleston City Hallunder a milePoliceCollege of Charleston Police Departmentunder a mileFire stationCollege of Charleston Fire and Emergency Medical Services Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi17 schools3 elementary, 1 middle, 2 high, 11 otherElementaryMemminger School Of Global Studiesunder a mileSchoolBuist Academy Schoolunder a mileSchoolCharleston Progressive Academyunder a mileCollegeCollege of Charlestonright hereSource: USGS National Structures Dataset
Getting aroundAirportCharleston International Airport CHS9.6 miInterstateI-26under a mileUS highwayUS 52 Sprunder a mileAmtrakCharleston, SC CHS7.2 miCoachNorth Charleston 4565 Gaynor AveGreyhound7.2 miTransit226 stops within a mileCharleston Area Regional Transportation Authority (CARTA), TriCounty LinkSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 29422 ZIP area.
