Spring (March–May): 12.8–19.9°C on average, mild and rainy, with more rain in March but also sunny days. Common activities: Cherry blossom viewing (some varieties), visiting historical sites, enjoying the seaside. Recommended clothing: Light jacket, long-sleeved shirts, comfortable shoes.
Summer (June–August): 23.6–29.2°C on average, hot and humid, with abundant rainfall, especially in June. Common activities: Swimming at the beach, hiking, enjoying local cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): 16.0–27.1°C on average, comfortable and pleasant, with gradually decreasing rainfall. Common activities: Viewing autumn leaves (in some areas), outdoor activities, enjoying the crisp autumn air. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
Winter (December–February): 7.6–9.0°C on average, mild and humid, with little rain. Common activities: Onsen (hot spring) bathing, indoor sightseeing, enjoying local hot pot. Recommended clothing: Warm clothing, jacket, scarf.