Arao, Japan offers 1 beach perfect for sunbathing, surfing, swimming, and more. Arao is known for the Greenland amusement park and the historical Miike Coal Mine. The best time to travel to Arao, Japan, is in April when the average air temperature is around 15°C (59°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!