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Philadelphia
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Philadelphia Weather and climate
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
10/13
Monday
Overcast
17.1°C/12.3°C
10/14
Tuesday
Patchy rain nearby
16.2°C/11.3°C
10/15
Wednesday
Partly Cloudy
19°C/10.6°C
10/16
Thursday
Sunny
16.8°C/7.3°C
10/17
Friday
Sunny
17°C/6.6°C
10/18
Saturday
Patchy rain nearby
19.9°C/10.7°C
10/19
Sunday
Patchy rain nearby
23.4°C/13.8°C
