The best time to go to Kushimoto is typically from late spring to early autumn, specifically from May to October, when the weather is warm and pleasant for outdoor activities.During these months, you'll experience comfortable temperatures, making it ideal for exploring the coastal scenery, visiting attractions like Hashigui-iwa Rocks, and enjoying boat tours to see the underwater landscapes. The sea is also warmer, which is superb for snorkelling or diving, if that's on your agenda.For travellers interested in marine life and water sports, the period from July to September offers the warmest sea temperatures and the clearest waters. This is excellent for experiencing the rich underwater ecosystems around Kushimoto.If you prefer slightly cooler weather and fewer crowds, May, June, and October are good choices.