Hirono, Japan offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Hirono is known for its scenic coastal landscapes and proximity to the Fukushima Daiichi Nuclear Power Plant, which has become a point of interest for those studying the impact of the 2011 disaster. The best time to travel to Hirono, Japan, is in late spring (May), when the average air temperature is around 18°C (64°F) and the average water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!