Data source: Meteostat・Last updated: 2025-09
Spring (March–May): Average 46–62°F, 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 71–74°F, 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 63–44°F, 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 38–41°F, 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. 55.0°F / 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 | 35.8°F | 41.7°F | 46.8°F | 52°F | 62.1°F | 71.4°F | 74.8°F | 73.4°F | 63.3°F | 57.6°F | 44.1°F | 38.3°F |
| 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 | 50.7°F | 47.9°F | 46.5°F | 53.9°F | 48.8°F | 47.9°F | 55.9°F |
| Low | 33.7°F | 34.1°F | 30.1°F | 30.7°F | 37.6°F | 37.6°F | 46.6°F |