What to pack for Cologne, year-round

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

• January 6.1°C · 23 rain days · 20 items Heavy layers
• February 8.2°C · 17 rain days · 20 items Heavy layers
• March 11.3°C · 18 rain days · 20 items Layered casual
• April 14.8°C · 17 rain days · 18 items Layered casual
• May 18.8°C · 18 rain days · 20 items Light + sun cover
• June 23.1°C · 18 rain days · 18 items Light + sun cover
• July 24.3°C · 20 rain days · 19 items Light + sun cover
• August 24°C · 20 rain days · 19 items Light + sun cover
• September 20.6°C · 16 rain days · 18 items Light + sun cover
• October 15.7°C · 19 rain days · 20 items Layered casual
• November 10°C · 21 rain days · 20 items Layered casual
• December 7.5°C · 20 rain days · 20 items Heavy layers