Daylight through the yearLongest day (Jun 21): 14 h 51 min5:42 am – 8:33 pmShortest day (Dec 21): 9 h 29 min7:19 am – 4:48 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 88°F, lows 73°FColdest month January: highs 45°F, lows 30°F48 in of rain a year, on about 77 dayswettest month September15 in of snow a year, on about 7 days31 days above 90°F, 59 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Solomons station, 10 mi away; rain from Mechanicsville 5 Ne
Parks and public landsGreenwell Spstate park · 4.8 mi · 635 acresCalvert Cliffs Spstate park · 5.8 mi · 1,167 acresParker Creek Heritage Conservationstate conservation land · 5.7 mi · 224 acresParkers Creek Wmastate conservation land · 5.7 mi · 129 acresParker Creek Wildlife Management Areastate conservation land · 5.9 miPARKERS CREEK Wildlife Management Area - Parkers Creek Wildlandsstate conservation land · 6.1 mi · 550 acresSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowCalvert County, MD, compared with all US countiesHighest-rated hazardsHurricane Relatively ModerateDrought Relatively ModerateSource: FEMA National Risk Index (county level)
Air quality95% of days had good air in 2025227 of 240 days measured13 moderate daysMedian index 38, worst day 77main pollutant: ozoneSource: US EPA Air Quality Index, Calvert County monitors, MD
Drinking waterChesapeake Ranch Estatesserves 9,500 people from ground waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation78 ft24 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCalvert Memorial Hospital8.7 miPost officeBroomes Island Post Office1.7 miPoliceMaryland State Police - Barrack U Prince Frederick7.0 miFire stationSaint Leonard Volunteer Fire Department and Rescue Squad Company 72.3 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi1 school1 elementaryElementaryMutual Elementary School1.8 miCollegeCollege of Southern Maryland Prince Frederick Campus7.4 miSource: USGS National Structures Dataset
Getting aroundAirportRonald Reagan Washington National Airport DCA39 miInterstateI-9532 miUS highwayUS 30124 miAmtrakNew Carrollton, MD NCR39 miCoachCambridgeBayRunner Shuttle27 miTransit5 stops within a mileCalvert County Public Transportation (CCPT)Sources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 20610 ZIP area.
