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Philadelphia

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Travel Info
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Travel Info

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Philadelphia Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Philadelphia year round climate

  • Spring (March–May): Average 8.4–18.6°C, mild and changeable weather, with sunshine and rain. March and April have more rainfall, while May is relatively dry. Common activities: Visiting Philadelphia historical sites, walking in parks, cycling. Suggested clothing: Light jacket, comfortable trousers or skirt, and comfortable shoes.
  • Summer (June–August): Average 23.4–27.2°C, hot and humid, with occasional thunderstorms. June and July have more rainfall. Common activities: Outdoor picnics, visiting the Philadelphia Museum of Art, walking along the Philadelphia waterfront. Suggested clothing: Light and breathable clothing, short-sleeved shirts, shorts, and comfortable shoes.
  • Autumn (September–November): Average 9.9–21.9°C, pleasant and cool and dry weather, ideal for sightseeing in Philadelphia. October has relatively little rainfall. Common activities: Leaf peeping, visiting Independence Hall, strolling through the city. Suggested clothing: Light jacket, long-sleeved shirts or sweaters, and comfortable shoes.
  • Winter (December–February): Average 3.1–4.9°C, cold and humid, with low chances of snowfall but persistent rain, December has the most rainfall. Common activities: Visiting indoor museums, attending concerts, enjoying Philadelphia's cuisine. Suggested clothing: Warm coat, sweater, scarf, gloves and hat, and warm shoes.

Philadelphia climatological average

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1052 mm / Summer humidity: 60%–70% / Rainiest month: December

Philadelphia monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.1°C
106.7
February
4.9°C
48.3
March
8.4°C
95.7
April
13.4°C
117.7
May
18.6°C
52
June
23.4°C
118.3
July
27.2°C
83.7
August
25.8°C
93.7
September
21.9°C
74.7
October
15.6°C
55.3
November
9.9°C
69
December
4.4°C
137.3

Philadelphia weather for the next seven days

2/9
Monday
Sunny
0°C/-13.7°C
2/10
Tuesday
Overcast
2.7°C/-10.6°C
2/11
Wednesday
Overcast
2°C/-1.6°C
2/12
Thursday
Sunny
-0.2°C/-4.9°C
2/13
Friday
Sunny
1.4°C/-3.6°C
2/14
Saturday
Sunny
4.4°C/-2.6°C
2/15
Sunday
Moderate snow
3.9°C/-1.3°C

Philadelphia Frequently Asked Questions and Useful Information for Travel

Is Philadelphia a good place for tourists?

Philadelphia is a fantastic destination for tourists, boasting a rich history as the USA's only World Heritage City. You'll find many buildings dating back to the 1700s, showcasing impressive Georgian architecture. It's a safe and engaging city for exploration.

What are the must-see sights and activities in Philadelphia?

Philadelphia offers a wealth of must-see sights and activities. Explore the historic Eastern State Penitentiary, visit Independence Hall for a dose of American history, join engaging walking tours, and immerse yourself in art at various museums. For personalized recommendations, consider using our AI trip-planning product.

What is the best month to visit Philadelphia?

The best month to visit Philadelphia depends on your interests. For budget travelers, October through February offers lower prices. March through May is ideal for sightseeing and enjoying pleasant weather. From June through September, you can experience vibrant outdoor festivals.

What is the number one tourist attraction in Philadelphia?

The Liberty Bell is arguably the number one tourist attraction in Philadelphia, drawing visitors from around the world for a photo opportunity in front of its iconic symbol of American independence, with Independence Hall as its dramatic backdrop. The Liberty Bell Center is free to visit year-round and requires no tickets.

What historical significance does Philadelphia hold?

Philadelphia is profoundly significant in American history. It was the birthplace of the United States, serving as the temporary capital and hosting pivotal events like the signing of the Declaration of Independence and the U.S. Constitution. Its historical sites offer a tangible connection to the nation's founding.