Daylight through the yearLongest day (Jun 21): 15 h 10 min5:13 am – 8:23 pmShortest day (Dec 21): 9 h 11 min7:09 am – 4:20 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 82°F, lows 66°FColdest month January: highs 40°F, lows 25°F43 in of rain a year, on about 73 dayswettest month October35 in of snow a year, on about 15 days3 days above 90°F, 109 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Westerly State Ap station, 8 mi away; snow from Kingston
Nearby landmarksCharlestown Beachbeach · 1.2 miThe Hummocksisland · under a milePotato Pointcape · under a mileGreen Hillpeak · 2.4 miStub Pointcape · under a mileNinigret Beachbeach · under a mileSource: USGS Geographic Names Information System
Parks and public landsNinigret National Wildlife Refugenational wildlife refuge · under a mile · 882 acresFort Ninigretstate park · under a mileSouth Shore Management Areastate park · under a mileCharlestown Breachwaystate park · 1.1 miEast Beachstate park · 1.2 miBurlingamestate park · 1.8 miSource: 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 3.6 on 8 Nov 202037 mi away, near Bliss Corner, MassachusettsMost recent: magnitude 3.6 on 8 Nov 202037 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowWashington County, RI, compared with all US countiesHighest-rated hazardsHurricane Relatively ModerateCoastal flooding Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality83% of days had good air in 2025302 of 365 days measured59 moderate, 4 unhealthy for sensitive groups daysMedian index 37, worst day 129main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Washington County monitors, RI
Drinking waterMt Jefferson/washington Condosserves 38 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation11 ft3 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSouth County Hospital8.5 miPost officeCharlestown Post Office1.3 miTown hallCharlestown Town Hall2.8 miPoliceCharlestown Police Department1.3 miFire stationCross Mills Fire Stationunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeUniversity of Rhode Island9.6 miSource: USGS National Structures Dataset
Getting aroundAirportWesterly State Airport WST8.5 miMajor airportRhode Island T. F. Green International Airport PVD27 miInterstateI-958.9 miUS highwayUS 1under a mileAmtrakKingston, RI KIN8.6 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 02883 ZIP area.