Discover the best time of year, based on historical climate, temperature, and precipitation.
The best time to visit Philadelphia is May, September, October, when the weather, flight prices, and crowds align. — variable climate
🌥Mild
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| Score | 13 | 17 | 26 | 62 | 77 | 77 | 59 | 72 | 79 | 80 | 46 | 14 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Cold | Cold | Cold | Cool & rainy | Cool & rainy | Humid | Hot & rainy | Humid | Humid | Mild | Cold | Cold |
| Temperature | -3–5°C | -2–8°C | 1–12°C | 7–17°C | 12–23°C | 18–28°C | 21–31°C | 20–29°C | 17–26°C | 11–20°C | 4–13°C | 0–8°C |
| Feels like | -7–1°C | -6–4°C | -3–8°C | 3–15°C | 11–22°C | 18–29°C | 23–33°C | 22–32°C | 17–27°C | 9–18°C | 1–10°C | -4–5°C |
| Precipitation | 92mm 10 days | 88mm 9 days | 110mm 10 days | 107mm 10 days | 107mm 11 days | 107mm 12 days | 120mm 12 days | 114mm 11 days | 104mm 9 days | 98mm 9 days | 77mm 8 days | 109mm 10 days |
| Sunshine | 6.0h ☀︎ 62% | 6.7h ☀︎ 63% | 7.9h ☀︎ 66% | 8.7h ☀︎ 65% | 9.0h ☀︎ 63% | 11.2h ☀︎ 75% | 11.6h ☀︎ 79% | 10.7h ☀︎ 78% | 9.0h ☀︎ 72% | 7.9h ☀︎ 71% | 7.4h ☀︎ 74% | 5.6h ☀︎ 60% |
| Wind | W · 20 km/h | W · 20 km/h | NW · 21 km/h | W · 21 km/h | W · 18 km/h | SW · 18 km/h | SW · 16 km/h | W · 16 km/h | N · 16 km/h | W · 18 km/h | W · 19 km/h | W · 18 km/h |
| Humidity (%) | 66% | 66% | 63% | 64% | 68% | 67% | 70% | 71% | 71% | 71% | 68% | 71% |
| Perfect days | 0% | 1% | 6% | 20% | 38% | 29% | 9% | 18% | 45% | 32% | 6% | 1% |
| Dry streak | 7d | 7d | 7d | 8d | 8d | 6d | 7d | 7d | 9d | 9d | 8d | 8d |
| Sunny streak | 7d | 8d | 8d | 11d | 13d | 16d | 18d | 14d | 12d | 11d | 8d | 6d |
| Extreme heat | — | — | — | — | — | 3% | 8% | 2% | 1% | — | — | — |
| Extreme cold | 71% | 71% | 42% | 4% | — | — | — | — | — | 0% | 17% | 49% |
| Temperature | +0.7° | +2.4° | +2.5° | -0.1° | +0.7° | +1.4° | +1.8° | +0.3° | +0.6° | +1.7° | +1.1° | +1.6° |
| Rainfall | Stable | Stable | Getting wetter | Stable | Stable | Getting drier | Stable | Getting wetter | Stable | Getting drier | Stable | Stable |
| Ideal warm days | 0% | 0% | 0% | 5% | 17% | 34% | 35% | 44% | 29% | 6% | 0% | 0% |
| Outdoor comfort | 0% | 1% | 6% | 21% | 37% | 24% | 5% | 13% | 40% | 30% | 7% | 1% |
| Dry week odds | 5% | 9% | 7% | 13% | 9% | 3% | 5% | 8% | 17% | 13% | 10% | 9% |
| Heavy rain | 3% | 4% | 5% | 5% | 4% | 4% | 4% | 4% | 5% | 5% | 3% | 6% |
| Snow days | 20% | 22% | 12% | 2% | — | — | — | — | — | — | 3% | 13% |
| Muggy days | — | — | — | — | 1% | 14% | 41% | 32% | 12% | 2% | — | — |
| Oppressive days | — | — | — | — | — | — | 1% | — | — | — | — | — |
| Day length | 9.7h | 10.7h | 12.0h | 13.3h | 14.4h | 15.0h | 14.7h | 13.7h | 12.4h | 11.1h | 10.0h | 9.4h |
| Tourist Crowds | Low season | Low season | Shoulder season | High season | High season | High season | High season | High season | High season | High season | High season | Shoulder season |
The Philadelphia Auto Show is a massive indoor exhibition showcasing hundreds of new vehicles, typically held in late Ja…
The Mummers Parade is a unique and iconic Philadelphia tradition, featuring elaborate costumes, music, and dancing, held…
Philadelphia hosts one of the oldest Thanksgiving Day Parades in the United States, featuring festive floats, marching b…
Philadelphia transforms into a winter wonderland with the German-style Christmas Village at Love Park and Winterfest at…
The Penn Relays is the oldest and largest track and field competition in the United States, attracting athletes from hig…
The Philadelphia Flower Show is the nation's largest and longest-running indoor horticultural event, transforming a conv…
Terror Behind the Walls is a massive haunted attraction held within the historic Eastern State Penitentiary, transformin…
Wawa Welcome America! is a multi-day festival celebrating Independence Day, featuring free concerts, historical events,…
The Made in America Festival is a major music festival held annually over Labor Day weekend on the Benjamin Franklin Par…
Philly Beer Week is a multi-day celebration of craft beer, featuring hundreds of events across the city, from tastings t…
Philadelphia suffers an absurd calendar contradiction: its absolute peak crowd arrives in the biting chill of February for massive indoor conventions, while the city's true outdoor soul—walkable colonial brick, street markets, and river breezes—peaks in golden October.
People come to Philadelphia to walk through the crucible of American independence, standing where William Penn planned his green country town and where the Continental Congress risked the gallows to draft a new nation. But Philadelphia is fundamentally a city meant to be explored on foot, wandering through narrow alleys, public squares, and riverfront parks. Experiencing it properly depends entirely on whether the weather lets you inhabit its streets or traps you inside a convention hall.
Winter in Philadelphia is raw, damp, and persistently cold. Biting winds whip off the Delaware River and whistle down the wide avenues of Center City, keeping the daytime chill lingering just above freezing. You would expect the city to hibernate. Instead, February registers as the single most crowded month on Philadelphia's calendar.
That midwinter spike is driven almost entirely indoors. While New Year's Day kicks things off with the flamboyant outdoor brass and strutting feathers of the Mummers Parade, the weeks that follow belong to cavernous exhibition floors. The massive Philadelphia Auto Show packs the city to capacity in late January and February, followed in March by the sprawling, fragrant indoor landscapes of the Philadelphia Flower Show. If you come during these months, you are visiting an event hub rather than an outdoor streetscape. Bundle up thoroughly, expect busy lobbies, and plan your days around indoor destinations.
April marks the point where the city exhales. Crowds temporarily drop to their lowest numbers of the warm season, even as trees along the residential streets of Old City and Rittenhouse Square burst into bloom. Late April brings the thunderous energy of the Penn Relays, when collegiate and international track athletes take over the city under comfortable, mild skies.
By May and June, Philadelphia is operating at its lively best. The chill vanishes into warm, sunlit afternoons, and sidewalk tables colonize the curbs. Late spring heralds Philly Beer Week, which sends locals spilling into beer gardens, courtyard taprooms, and neighborhood pubs across town. It is an easy, social time to explore, long before the fierce mid-Atlantic summer sets in.
High summer in the Delaware Valley is thick and sweltering. Temperatures routinely climb into the low thirties, but the humidity pushes the apparent heat well beyond that, making midday walks down unshaded asphalt a draining ordeal. Sudden afternoon downpours strike with tropical force, making July the rainiest month of the year.
Even so, the city leans hard into civic celebration. The multi-day Wawa Welcome America! festival spans late June and early July, culminating in massive Independence Day concerts and fireworks framed over the Philadelphia Museum of Art. If you travel now, borrow the local rhythm: explore historic landmarks in the early morning, escape into museums during the midday furnace, and return outside after dusk.
September and October represent Philadelphia's finest weather. The swelter breaks over Labor Day weekend with the Made in America Festival rocking the Benjamin Franklin Parkway, giving way to crisp air, deep blue skies, and brilliant foliage. October is the jewel of the year: rainfall is light, walking conditions are effortless, and the evening chill adds an electric atmosphere to Terror Behind the Walls, which transforms the haunting stone corridors of Eastern State Penitentiary into an iconic Halloween rite.
November turns crisp and sharp, but the cultural calendar refuses to slow down. Crowds bundle up along the parkway for the historic Thanksgiving Day Parade, while late November and December usher in holiday markets. The German-style Christmas Village takes over Love Park with warm spiced cider and wooden stalls, while Winterfest lights up the cold riverfront at Penn's Landing with outdoor ice skating and fire pits. It is freezing again, but unlike late winter's convention rush, early winter has real neighborhood charm.
Top sights and attractions to build your days around once you know when to go.
Independence Hall is a historic civic building in Philadelphia, Pennsylvania, where both the Declaration of Independence and the Constitution of the United States were debated and adopted by the Founding Fathers of the United States. The building, which is the centerpiece of Independence National Historical Park, was designated a World Heritage Site in 1979. It is an example of American Georgian architecture, which is characterized by symmetry, classical proportions, and exposed brick with stone masonry accents.
Lincoln Financial Field is an American football stadium in Philadelphia, Pennsylvania, United States It is the home stadium of the Philadelphia Eagles of the National Football League (NFL) and the Temple Owls football team of Temple University. The stadium is located in South Philadelphia on Pattison Avenue between 11th and South Darien streets alongside Interstate 95. It is part of the South Philadelphia Sports Complex and has a seating capacity of 67,594.

The Philadelphia Museum of Art is an art museum originally chartered in 1876 for the Centennial Exposition in Philadelphia. The main museum building was completed in 1928 on Fairmount, a hill located at the northwest end of the Benjamin Franklin Parkway at Eakins Oval. The museum administers collections containing over 240,000 objects including major holdings of European, American and Asian origin. The various classes of artwork include sculpture, paintings, prints, drawings, photographs, armor, and decorative arts.
USS New Jersey (BB-62) is an Iowa-class battleship and the second ship of the United States Navy to be named after the U.S. state of New Jersey. She was often referred to fondly as "Big J". New Jersey earned more battle stars for combat actions than the other three completed Iowa-class battleships, and was the only US battleship used to provide gunfire support during the Vietnam War.
The Pennsylvania Academy of the Fine Arts (PAFA) is a museum and private art school in Philadelphia, Pennsylvania. Founded in 1805, it is the longest continuously operating art museum and art school in the United States.
The Franklin Institute is a science museum and a center of science education and research in Philadelphia, Pennsylvania. It is named after the American scientist and statesman Benjamin Franklin. It houses the Benjamin Franklin National Memorial. Founded in 1824, the Franklin Institute is one of the oldest centers of science education and development in the United States. Its chief astronomer is Derrick Pitts.
The Barnes Foundation is an art collection and educational institution promoting the appreciation of art and horticulture. Originally in Merion, the art collection moved in 2012 to a new building on Benjamin Franklin Parkway in Philadelphia, Pennsylvania. The arboretum of the Barnes Foundation remains in Merion, where it has been proposed that it be maintained under a long-term educational affiliation agreement with Saint Joseph's University.
The University of Pennsylvania Museum of Archaeology and Anthropology, branded as Penn Museum, is a museum at the University of Pennsylvania. It is located on Penn's campus in the University City neighborhood of Philadelphia, at the intersection of 33rd and South Streets. Housing over 1.3 million artifacts, the museum features one of the most comprehensive collections of Middle and Near-Eastern art in the world.
The Rodin Museum is an art museum located in Philadelphia, Pennsylvania that contains one of the largest collections of sculptor Auguste Rodin's works outside Paris. Opened in 1929, the museum is administered by the Philadelphia Museum of Art. The museum houses a collection of nearly 150 objects containing bronzes, marbles, and plasters by Rodin.
Independence National Historical Park is a federally protected historic district in Philadelphia, Pennsylvania, that preserves several sites associated with the American Revolution and the nation's founding history. Administered by the National Park Service, the 55-acre (22 ha) park comprises many of Philadelphia's most-visited historic sites within the Old City and Society Hill neighborhoods. The park has been nicknamed "America's most historic square mile" because of its abundance of historic landmarks.
USS Olympia (C-6/CA-15/CL-15/IX-40) is a protected cruiser that saw service with the United States Navy from her commissioning in 1895 until 1922. She is currently a museum ship in Philadelphia.
The Philadelphia Zoo is a zoo located in the Centennial District of Philadelphia on the west bank of the Schuylkill River. It was the first true zoo in the United States; it was chartered by the Commonwealth of Pennsylvania on March 21, 1859, but its opening was delayed by the Civil War until July 1, 1874. The zoo opened with 1,000 animals and an admission price of 25 cents. For a brief time, the zoo also housed animals brought to U.S. from safaris by the Smithsonian Institution, which had not yet built its National Zoo.
Places from Wikidata and Wikipedia.
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