Data source: Meteostat・Last updated: 2025-09
Spring (March–May): Average 8.2–16.7°C, climate gradually warming from cold, rainfall gradually increasing. Common activities: Spring outings, flower viewing. Recommended clothing: Warm jacket, comfortable long-sleeved shirts and pants, rain gear needed.
Summer (June–August): Average 21.9–23.8°C, warm and humid climate, more rainfall. Common activities: Outdoor swimming, hiking. Recommended clothing: Light and breathable short-sleeved clothing, shorts, rain gear needed.
Autumn (September–November): Average 17.4–6.7°C, climate turning from warm to cool, September has the most rainfall, then gradually decreasing. Common activities: Maple leaf viewing, harvest season activities. Recommended clothing: Comfortable long-sleeved shirts and pants, light jacket, rain gear needed.
Winter (December–February): Average 3.5–5.4°C, cold and humid climate, more rainfall. Common activities: Indoor activities, hot spring experience. Recommended clothing: Warm jacket, hat, scarf, gloves, etc., rain gear needed.
Annual average temperature: approx. 12.8°C / Annual rainfall: approx. 1541 mm / Summer humidity: 70%–80% / Rainiest month: September
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | 2.1°C | 5.4°C | 8.2°C | 11.1°C | 16.7°C | 21.9°C | 23.8°C | 23°C | 17.4°C | 14.2°C | 6.7°C | 3.5°C |
| Rainfall (mm) | 111.3 | 44.3 | 69 | 97 | 128 | 121.7 | 157.3 | 150.3 | 261 | 167 | 93 | 141.7 |
| Date | 11/6Friday | 11/7Saturday | 11/8Sunday | 11/9Monday | 11/10Tuesday | 11/11Wednesday | 11/12Thursday |
|---|---|---|---|---|---|---|---|
| Weather | Mist | Overcast | Overcast | Sunny | Patchy rain nearby | Mist | Mist |
| High | 10.4°C | 8.8°C | 8.1°C | 12.2°C | 9.3°C | 8.8°C | 13.3°C |
| Low | 0.9°C | 1.2°C | -1.1°C | -0.7°C | 3.1°C | 3.1°C | 8.1°C |