Edogawa, Japan offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Edogawa is known for Tokyo Disneyland and Kasai Rinkai Park. The best time to travel to Edogawa, 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!