A golf ball has a core, and a cover for covering the core. The cover contains 0.5 to 10 parts by mass of a titanium oxide relative to 100 parts by mass of a base resin composing the cover, and the titanium oxide is surface-treated with an oxide including at least one element selected from the group consisting of aluminum, silicon, zinc, zirconium, tin, and cerium, and/or a hydrate thereof The golf ball has less or no discoloration or degradation with time, and has superior weatherability.