Humid subtropical

Adelphi, Maryland

Prince George's County, Maryland · Population 17k · 184 ft elevation

Living in Adelphi

Adelphi has a humid subtropical climate: hot summers (July highs around 87°F) and chilly winters (January lows around 25°F).

Precipitation is wet at about 44″ a year, and it gets light snow (16″ a season).

Skies are sunny (61% of possible sunshine). Summers get sticky, with about 53 muggy days a year.

Air quality is moderate: a median AQI of 40, with about 3 unhealthy-air days in the latest year.

Adelphi at a glance

Population
17k
Elevation
184 ft
Average daily high
66°F50th percentile
Average daily low
46°F52th percentile
Annual precipitation
44″52th percentile
Annual snowfall
16″53th percentile
Sunshine hours per year
2,760 hrs44th percentile
Median AQI
4038th percentile
Median home value
$402k72th percentile
Median rent
$1,757/mo78th percentile
Median household income
$81k57th percentile
Property tax rate
1.09%56th percentile
Top state income-tax rate
6.5%
Sales tax (state + local)
6.0%
Unemployment rate
6.0%
Homes with broadband
92%55th percentile
Walkability index
11.374th percentile
Average commute
35 min
Math proficiency (8th grade)
16%6th percentile
Reading proficiency (8th grade)
31%
Overall natural-hazard risk
9357th percentile
Outdoor access
6363th percentile
Public land within 10 miles
5%
Public land within 30 miles
3%
Mountain relief within 30 miles
591 ft

Climate by month

Average monthly weather in Adelphi, Maryland
MonthHighLowPrecipitationSnowSunshine
Jan43°F25°F2.9″5.7″160 hrs
Feb45°F27°F2.4″5.0″168 hrs
Mar53°F34°F3.7″2.5″202 hrs
Apr65°F44°F3.3″0.1″237 hrs
May74°F54°F4.3″—264 hrs
Jun83°F63°F4.2″—308 hrs
Jul87°F68°F4.5″—333 hrs
Aug86°F66°F3.9″—299 hrs
Sep79°F59°F4.4″—244 hrs
Oct68°F47°F4.0″—207 hrs
Nov57°F37°F2.9″0.2″184 hrs
Dec47°F30°F3.5″2.3″155 hrs

Near Adelphi

Largest places in Maryland

Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology