Data source: Meteostat・Last updated: 2025-09
Spring (March–May): 10–18°C on average, mild and comfortable, but occasional rain. Temperatures rise from March, and May is warmer and more humid. Common activities: picnics, flower viewing, coastal walks. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): 22–27°C on average, hot and humid, with heavier rainfall, especially in July. Common activities: swimming, water sports, enjoying seafood. Recommended clothing: light and breathable clothing, sun protection clothing, sun hat.
Autumn (September–November): 12–24°C on average, pleasant, cool and comfortable, with gradually decreasing rainfall. Common activities: viewing autumn leaves, hiking, island hopping. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): 3–10°C on average, cold and dry, with low temperatures and little rainfall. Common activities: onsen (hot springs), indoor activities, enjoying the winter seascape. Recommended clothing: warm jacket, sweater, scarf, hat, gloves.
Annual average temperature: approx. 16°C / Annual rainfall: approx. 1571 mm / Summer humidity: 70%–80% / Rainiest month: July
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | 3.6°C | 5.1°C | 10°C | 14.8°C | 18.4°C | 22.2°C | 25.7°C | 27.5°C | 24.9°C | 18.1°C | 12.5°C | 4.7°C |
| Rainfall (mm) | 39.7 | 61.3 | 97 | 132.3 | 165.3 | 190 | 372.7 | 164.3 | 187.7 | 64 | 71.7 | 25.3 |
| Date | 11/5Thursday | 11/6Friday | 11/7Saturday | 11/8Sunday | 11/9Monday | 11/10Tuesday | 11/11Wednesday |
|---|---|---|---|---|---|---|---|
| Weather | Sunny | Sunny | Sunny | Overcast | Sunny | Sunny | Sunny |
| High | 17.7°C | 13.8°C | 11.5°C | 11.9°C | 14.2°C | 13.9°C | 15.3°C |
| Low | 12.9°C | 7.8°C | 6.5°C | 6.9°C | 6.7°C | 5.8°C | 7.8°C |