Yokkaichi, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Yokkaichi is known for the Yokkaichi Port Building and the Yokkaichi Pollution and Environmental Museum for Future Awareness. The best time to travel to Yokkaichi, Japan, is in April when the average air temperature is around 15°C (59°F) and the average water temperature is approximately 14°C (57°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!