What to pack for London, year-round

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

• January 8°C · 11 rain days · 19 items Heavy layers
• February 9°C · 9 rain days · 18 items Heavy layers
• March 12°C · 9 rain days · 16 items Layered casual
• April 15°C · 9 rain days · 17 items Layered casual
• May 18°C · 9 rain days · 17 items Light + sun cover
• June 22°C · 8 rain days · 16 items Light + sun cover
• July 24°C · 8 rain days · 16 items Light + sun cover
• August 23°C · 8 rain days · 16 items Light + sun cover
• September 20°C · 8 rain days · 15 items Light + sun cover
• October 16°C · 10 rain days · 18 items Layered casual
• November 11°C · 11 rain days · 17 items Layered casual
• December 8°C · 11 rain days · 19 items Heavy layers