Spring (March–May): 11.5–19.1°C on average, mild climate but with relatively high rainfall, especially in April. Common activities: Flower viewing (such as cherry blossoms and plum blossoms), hiking, onsen (hot spring) bathing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): 22.8–27.2°C on average, hot and humid, with the most rainfall in June, relatively less in July and August. Common activities: Swimming at the beach, mountain climbing, experiencing summer festivals. Recommended clothing: Light and breathable clothing, sun-protective clothing, sun hat.
Autumn (September–November): 18.6–25.5°C on average, comfortable and pleasant climate, with reduced rainfall. Common activities: Maple viewing, onsen (hot spring) bathing, tasting autumn cuisine. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
Winter (December–February): 5.2–7.5°C on average, cold and dry, with less rainfall. Common activities: Skiing (in some areas), onsen (hot spring) bathing, enjoying winter scenery. Recommended clothing: Warm jacket, sweater, scarf, hat, gloves.