Spring (March–May): 7.3–18.4°C on average, mild climate. Cherry blossoms may bloom in March–April, but generally less so than in southern regions. Common activities: picnics, flower viewing, visiting historical sites. Recommended clothing: light jacket, long-sleeved shirt, additional warm clothing for mornings and evenings.
Summer (June–August): 23.2–26.7°C on average, hot and humid, with more rainfall, especially in July. Common activities: visiting summer resorts, playing in streams. Recommended clothing: light and breathable clothing, short sleeves, shorts, sunscreen is essential.
Autumn (September–November): 7.5–22.4°C on average, pleasant climate, beautiful autumn scenery. Common activities: maple leaf viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt, additional warm clothing for mornings and evenings.
Winter (December–February): -1.5–1.2°C on average, cold and dry, occasional snowfall. Common activities: skiing, onsen (hot springs). Recommended clothing: warm coat, sweater, scarf, hat, gloves.