What to pack for Cardiff, year-round

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

• January 8.2°C · 17 rain days · 20 items Heavy layers
• February 8.7°C · 14 rain days · 18 items Heavy layers
• March 10.3°C · 16 rain days · 20 items Layered casual
• April 13.1°C · 10 rain days · 16 items Layered casual
• May 16.1°C · 12 rain days · 18 items Layered casual
• June 19.2°C · 13 rain days · 17 items Light + sun cover
• July 20.6°C · 14 rain days · 16 items Light + sun cover
• August 19.8°C · 15 rain days · 17 items Light + sun cover
• September 18.3°C · 12 rain days · 18 items Light + sun cover
• October 14.8°C · 15 rain days · 16 items Layered casual
• November 11°C · 16 rain days · 18 items Layered casual
• December 9.2°C · 18 rain days · 20 items Heavy layers