Climate & Weather
How Elevation Affects Weather: A Complete Guide
Discover the fascinating relationship between elevation and weather patterns.
Elevation of Philadelphia, Pennsylvania
12 meters elevation
Sea Level (0m)Mount Everest (8,848m)
-0.1°C
Temperature Drop
101.2kPa
Air Pressure
99.9%
Oxygen Level
Quick Facts
Elevation12 meters
Everest Comparison0.1% of Everest
Altitude Risk✅ Low RiskBelow altitude sickness threshold
RegionPennsylvania
Highest PointChestnut Hill (146 meters)
Notable Landmarks
Comcast Technology Center
342 meterselevation
One Liberty Place
288 meterselevation
City Hall Tower
167 meterselevation
Belmont Plateau
121 meterselevation
Wissahickon Valley Park
132 meterselevation
Geographic Features
Philadelphia spans from near sea level along the Delaware River to 146 meters in Chestnut Hill. The geology features ancient metamorphic rocks of the Piedmont Plateau transitioning to coastal plain sediments. The Schuylkill and Delaware Rivers have carved significant valleys through the bedrock, while smaller streams create distinct neighborhood boundaries. The original landscape included both tidal marshes and rocky hills, though extensive urban development has modified many natural features.
Climate Impact
At elevations ranging from sea level to 146 meters, Philadelphia experiences a humid subtropical climate moderated by the Atlantic Ocean. The elevation variations create noticeable temperature differences between river valleys and higher neighborhoods, with summer highs reaching 31°C and winter lows dropping to -6°C. Annual precipitation averages 104cm, distributed fairly evenly throughout the year. The position between mountains and coast influences local weather patterns, particularly during coastal storms. The atmospheric pressure ranges from sea level to 98% of sea level in the highest areas. The growing season extends roughly 200 days, with elevation differences creating variations in frost dates.
Historical Context
Philadelphia's relationship with elevation shaped its development from colonial settlement to major metropolis. Penn's original city plan utilized the natural terrace between the Delaware and Schuylkill Rivers, while the development of Germantown and Chestnut Hill followed higher ground northwest of center city. The construction of the Fairmount Water Works demonstrated early understanding of elevation's role in water distribution. Modern Philadelphia continues to address elevation-related challenges through sophisticated stormwater management systems and specialized approaches to historic preservation across varied terrain.
Cities with Similar Elevation
FAQs: Philadelphia's Elevation
What is the elevation of Philadelphia?
Philadelphia has an elevation of 12 meters, which influences its climate and environment.
How does Philadelphia's elevation affect its weather?
The elevation of Philadelphia (12 meters) significantly impacts its local climate, affecting temperature ranges, precipitation patterns, and atmospheric pressure.
What are the highest points near Philadelphia?
The highest point in Philadelphia is Chestnut Hill (146 meters), providing unique perspectives of the surrounding landscape.
