What to pack for Seoul, year-round

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

• January 2°C · 7 rain days · 18 items Heavy layers
• February 4°C · 7 rain days · 18 items Heavy layers
• March 10°C · 8 rain days · 17 items Layered casual
• April 17°C · 9 rain days · 17 items Layered casual
• May 23°C · 10 rain days · 17 items Light + sun cover
• June 27°C · 11 rain days · 18 items Hot-weather kit
• July 29°C · 16 rain days · 20 items Hot-weather kit
• August 30°C · 14 rain days · 20 items Hot-weather kit
• September 26°C · 9 rain days · 17 items Hot-weather kit
• October 19°C · 6 rain days · 17 items Light + sun cover
• November 11°C · 8 rain days · 18 items Layered casual
• December 4°C · 7 rain days · 18 items Heavy layers