Spring (March–May): Average 10.8–18.1°C, mild and comfortable climate with abundant rainfall, suitable for hiking and flower viewing. Common activities: Hiking, flower viewing, cycling. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 22.5–28.5°C, hot and humid, with more rainfall and occasional typhoons. Common activities: Beach activities, water sports, exploring volcanic terrain. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 14.4–25.3°C, pleasant climate with higher rainfall, especially in September. Common activities: Maple viewing, hiking, enjoying local cuisine. Recommended clothing: Comfortable jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average 6.6–8.2°C, cold and dry, with occasional snowfall. Common activities: Onsen bathing, visiting indoor attractions, enjoying warm food. Recommended clothing: Warm jacket, sweater, scarf, hat, gloves.