Thaddeus Kosciuszko National Memorial
Park Small Philadelphia memorial honoring Polish-American Revolutionary hero
In Philadelphia’s Old City, the Thaddeus Kosciuszko National Memorial preserves the house associated with the Polish‑Lithuanian engineer and Revolutionary War figure; visitors study his life and military work.
The Thaddeus Kosciuszko National Memorial is a small National Park Service site in the Old City district of Philadelphia, Pennsylvania, dedicated to the life and American service of Polish-Lithuanian patriot Tadeusz Kościuszko.
The site occupies a modest rowhouse that interprets Kosciuszko’s activities in the United States and his role as a military engineer during the American Revolutionary era. Exhibits focus on his military career, his engineering work for American fortifications, and his connections to both Poland and the United States.
The memorial commemorates Tadeusz Kościuszko, who served as a colonel and later brigadier general in the Continental Army during the American Revolutionary War. The house preserves the association with his residence in Philadelphia in the late 18th century and was designated as a unit of the National Park Service to interpret his legacy.
Located in Philadelphia’s historic Old City neighborhood, the memorial is within a short walk of Independence Hall and other Revolutionary-era sites in central Philadelphia.
How to Get to Thaddeus Kosciuszko National Memorial #
The memorial is in central Philadelphia near Independence National Historical Park. It’s accessible on foot from the historic district and is served by local public transit and nearby Amtrak services at 30th Street Station with local bus or subway connections.
Tips for Visiting Thaddeus Kosciuszko National Memorial #
- The memorial is small - combine it with other nearby historical sites in Philadelphia for a fuller day.
- Check opening hours ahead of time: small national memorials often have limited staffed hours.
- Look for interpretive displays that explain Kosciuszko's engineering work during the Revolutionary War as well as his later life.
Best Time to Visit Thaddeus Kosciuszko National Memorial #
Visit in spring or autumn for comfortable weather and a gentler crowd in Philadelphia's historic areas.
Weather & Climate near Thaddeus Kosciuszko National Memorial #
Thaddeus Kosciuszko National Memorial's climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and cold winters (coldest in January). Temperatures range from -4°C to 31°C. Abundant rainfall (1126 mm/year), wettest in July, distributed fairly evenly throughout the year.
January
January is the coolest month with highs of 5°C and lows of -4°C. Regular rainfall (89 mm).
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February
February is cold with highs of 6°C and lows of -3°C. Moderate rainfall (71 mm).
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March
March is cold with highs of 12°C and lows of 1°C. Regular rainfall (99 mm).
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April
April is cool with highs of 18°C and lows of 6°C. Regular rainfall (95 mm).
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May
May is cool with highs of 24°C and lows of 12°C. Significant rainfall (105 mm).
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June
June is mild with highs of 28°C and lows of 17°C. Regular rainfall (91 mm).
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July
July is the warmest month with highs of 31°C and lows of 20°C. The wettest month with heavy rain (113 mm).
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August
August is warm with highs of 30°C and lows of 19°C. Significant rainfall (110 mm).
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September
September is mild with highs of 26°C and lows of 15°C. Regular rainfall (99 mm).
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October
October is cool with highs of 20°C and lows of 8°C. Moderate rainfall (77 mm).
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November
November is cold with highs of 14°C and lows of 3°C. Regular rainfall (88 mm).
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December
December is cold with highs of 8°C and lows of -2°C. Regular rainfall (89 mm).
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