Date, Japan offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Date is known for the Date Rekishi no Mori, a historical park that offers insights into the region's samurai past. The best time to travel to Japan is in April, when the average air temperature is around 15°C (59°F) and the 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!