Screws are better for outdoor woodwork because they hold wood tightly and last longer. They do not loosen easily in rain or wind and do not rust quickly. Screws are easy to fix and remove, give a clean finish, and make building faster and stronger than nails. https://joripress.com/why-screws-are-essential-for-outdoor-wood-projects https://joripress.com/why-screws-are-essential-for-outdoor-wood-projects