Humid subtropical

Swarthmore, Pennsylvania

Delaware County, Pennsylvania · Population 6.5k · 148 ft elevation

Living in Swarthmore

Swarthmore has a humid subtropical climate: hot summers (July highs around 87°F) and chilly winters (January lows around 26°F).

Precipitation is wet at about 44″ a year, and it gets light snow (23″ a season).

Skies are partly sunny (58% of possible sunshine). Summers get sticky, with about 40 muggy days a year.

Air quality is moderate: a median AQI of 44, with about 3 unhealthy-air days in the latest year.

Swarthmore at a glance

Population
6.5k
Elevation
148 ft
Average daily high
65°F45th percentile
Average daily low
47°F57th percentile
Annual precipitation
44″52th percentile
Annual snowfall
23″62th percentile
Sunshine hours per year
2,598 hrs21th percentile
Median AQI
4462th percentile
Median home value
$558k85th percentile
Median rent
$1,493/mo67th percentile
Median household income
$147k93th percentile
Property tax rate
1.79%84th percentile
Top state income-tax rate
3.1%
Sales tax (state + local)
6.3%
Unemployment rate
8.2%
Homes with broadband
96%82th percentile
Walkability index
14.393th percentile
Average commute
27 min
Math proficiency (8th grade)
26%18th percentile
Reading proficiency (8th grade)
48%
Violent crime rate
0 per 100k0th percentile
Property crime rate
333 per 100k
Overall natural-hazard risk
9357th percentile
Outdoor access
5252th percentile
Public land within 10 miles
2%
Public land within 30 miles
4%
Mountain relief within 30 miles
525 ft

Climate by month

Average monthly weather in Swarthmore, Pennsylvania
MonthHighLowPrecipitationSnowSunshine
Jan41°F26°F3.1″7.1″151 hrs
Feb44°F27°F2.8″8.4″163 hrs
Mar52°F34°F4.0″3.6″193 hrs
Apr64°F44°F3.5″0.3″224 hrs
May74°F54°F3.3″—250 hrs
Jun83°F63°F4.0″—283 hrs
Jul87°F69°F4.4″—317 hrs
Aug85°F67°F4.3″—283 hrs
Sep78°F60°F4.4″—237 hrs
Oct67°F49°F3.5″—191 hrs
Nov55°F38°F2.9″0.2″170 hrs
Dec46°F31°F4.0″3.5″138 hrs

Near Swarthmore

Largest places in Pennsylvania

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