Spring (March–May): Average 12.4–20.2°C, mild climate with increasing rainfall. Cherry blossoms bloom in March, and April is ideal for hiking and picnics. Common activities: Cherry blossom viewing, hiking, outdoor picnics. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 24.1–29.3°C, hot and humid with frequent rainfall, peaking in July. Common activities: Swimming, trips to summer resorts, indoor activities. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 20.0–15.1°C, comfortable and pleasant climate with decreasing rainfall and cooler temperatures. Common activities: Maple leaf viewing, outdoor sports, hot spring visits. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average 7.8–8.0°C, cold and dry with little rainfall. Common activities: Skiing (requires travel to mountainous areas), indoor activities, hot spring trips. Recommended clothing: Warm jacket, hat, scarf, gloves.