What to pack for Philadelphia, year-round

Philadelphia has 12 distinct packing realities. Pick the month you're traveling — each opens a full data-driven list:

• January 4.8°C · 14 rain days · 18 items Heavy layers
• February 7.1°C · 14 rain days · 18 items Heavy layers
• March 11.1°C · 15 rain days · 18 items Layered casual
• April 17.4°C · 17 rain days · 20 items Layered casual
• May 22.8°C · 17 rain days · 18 items Light + sun cover
• June 27.5°C · 17 rain days · 19 items Hot-weather kit
• July 30.4°C · 19 rain days · 20 items Hot-weather kit
• August 29.2°C · 18 rain days · 21 items ⚠ Hot-weather kit
• September 25.9°C · 14 rain days · 18 items ⚠ Light + sun cover
• October 19.5°C · 15 rain days · 19 items ⚠ Light + sun cover
• November 12.5°C · 11 rain days · 18 items Layered casual
• December 8.1°C · 12 rain days · 18 items Heavy layers