What to pack for Jasper, year-round

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

• January -4.4°C · 18 rain days · 20 items Heavy layers
• February -4.3°C · 19 rain days · 20 items Heavy layers
• March 2.6°C · 20 rain days · 20 items Heavy layers
• April 7.5°C · 20 rain days · 20 items Heavy layers
• May 14.4°C · 19 rain days · 20 items Layered casual
• June 18.7°C · 23 rain days · 20 items Light + sun cover
• July 22.4°C · 25 rain days · 19 items Light + sun cover
• August 21.7°C · 20 rain days · 19 items Light + sun cover
• September 15.3°C · 20 rain days · 22 items Layered casual
• October 7.8°C · 20 rain days · 20 items Heavy layers
• November -1.3°C · 19 rain days · 20 items Heavy layers
• December -7.4°C · 16 rain days · 20 items Heavy layers