Komatsu, Japan offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Komatsu is known for the Nata-dera Temple and the Komatsu Airport in regard to tourism. The best time to travel to Komatsu, Japan, is in late spring (May), when the average air temperature is around 18°C (64°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!