Spring (March–May): Average 10.4–18.5°C, mild and comfortable climate with occasional light rain. March to April offers beautiful cherry blossoms. Common activities: Cherry blossom viewing, hiking, outings. Recommended clothing: Light jacket, long-sleeved shirt, warm clothing may be needed in the mornings and evenings.
Summer (June–August): Average 22.8–28.1°C, hot and humid with heavier rainfall. Common activities: Swimming at the beach, mountain hiking (note sun protection and rain gear). Recommended clothing: Light and breathable clothing, rain gear, sunscreen.
Autumn (September–November): Average 17.2–24.5°C, pleasant climate with heavier rainfall in September. Common activities: Maple leaf viewing, hiking, enjoying autumn cuisine. Recommended clothing: Comfortable long-sleeved shirts, jackets, warm clothing is needed in the mornings and evenings due to the larger temperature difference.
Winter (December–February): Average 3.0–5.2°C, cold and dry with less rainfall. Common activities: Skiing, onsen (hot springs). Recommended clothing: Heavy coats, scarves, gloves, hats.