A rain jacket or poncho is essential for staying dry and comfortable during rainy weather on the Camino. Choose a lightweight, packable rain jacket made from waterproof and breathable materials, such as Gore-Tex or similar fabrics. Look for features like adjustable hoods, sealed seams, and ventilation zippers to enhance comfort and protection. Alternatively, a poncho offers full coverage and can be easily thrown over your backpack, providing extra protection for both you and your gear. Opt for a poncho made from durable, waterproof materials with reinforced seams and a secure fit. Both options should be easy to pack and quick to deploy, ensuring you stay dry during unexpected downpours.