Data source: Meteostat・Last updated: 2025-09
Spring (March–May): Average 7.9–18.3°C, mild climate with gradually increasing rainfall. Common activities: Spring outings, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt.
Summer (June–August): Average 23.0–26.7°C, hot and humid with heavier rainfall, especially in July. Common activities: Visiting summer resorts, playing in streams. Suggested clothing: Light and breathable clothing, sun hat.
Autumn (September–November): Average 14.0–22.4°C, pleasant and cool and dry climate with reduced rainfall. Common activities: Maple viewing, hiking. Suggested clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average -1.3–1.5°C, cold and dry with low rainfall. Common activities: Skiing (requires higher altitudes), onsen (hot springs). Suggested clothing: Warm jacket, hat, gloves, scarf.
Annual average temperature: approx. 13°C / Annual rainfall: approx. 1082 mm / Summer humidity: 70%–80% / Rainiest month: July
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | -1.3°C | 1.5°C | 7.9°C | 14°C | 18.3°C | 23°C | 26.1°C | 26.7°C | 22.4°C | 14°C | 7.9°C | -0.4°C |
| Rainfall (mm) | 12 | 21.7 | 55 | 48 | 82.3 | 127.3 | 321 | 186.3 | 130 | 41 | 30.3 | 27.3 |
| Date | 11/8Sunday | 11/9Monday | 11/10Tuesday | 11/11Wednesday | 11/12Thursday | 11/13Friday | 11/14Saturday |
|---|---|---|---|---|---|---|---|
| Weather | Overcast | Overcast | Sunny | Sunny | Overcast | Partly Cloudy | Light drizzle |
| High | 13.2°C | 12.3°C | 13.1°C | 14.4°C | 14.5°C | 16.2°C | 14.7°C |
| Low | -0.6°C | 4.6°C | 1.9°C | 0.5°C | 2.2°C | 3.1°C | 4.3°C |