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Bessho Onsen

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Bessho Onsen Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Bessho Onsen year round climate

  • Spring (March–May): Average 11.5–19.3°C, mild climate but with relatively high rainfall, especially frequent rain in March and April. Common activities: Spring outings, flower viewing (if applicable). Recommended clothing: Light jacket, long-sleeved shirt and pants; it is recommended to bring rain gear.
  • Summer (June–August): Average 23.1–28.4°C, hot and humid, with more rainfall in June and August. Common activities: Swimming, outdoor cooling activities. Recommended clothing: Light and breathable clothing, sun hat and sunglasses.
  • Autumn (September–November): Average 14.8–26.1°C, pleasant and comfortable climate, with gradually decreasing rainfall. Common activities: Autumn leaf viewing (if applicable), outdoor excursions. Recommended clothing: Light jacket or cardigan, long or short sleeves are both suitable.
  • Winter (December–February): Average 6.6–9.1°C, cold and dry, with low rainfall. Common activities: Indoor activities, onsen experience (if applicable). Recommended clothing: Warm coat, sweater, scarf, gloves, etc.

Bessho Onsen climatological average

Annual average temperature: approx. 17.5°C / Annual rainfall: approx. 1659 mm / Summer humidity: 70%–80% / Rainiest month: June

Bessho Onsen monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
26.2
February
7.4°C
71
March
11.5°C
169.3
April
16.3°C
159.6
May
19.3°C
203.3
June
23.1°C
231.1
July
28°C
120.3
August
28.4°C
225.4
September
26.1°C
206
October
19.3°C
127
November
14.8°C
87.7
December
9.1°C
32.4

Bessho Onsen weather for the next seven days

3/26
Thursday
Moderate rain
12.1°C/11.4°C
3/27
Friday
Patchy rain nearby
14.1°C/11.4°C
3/28
Saturday
Patchy rain nearby
15.4°C/11.6°C
3/29
Sunday
Sunny
16.9°C/12.4°C
3/30
Monday
Patchy rain nearby
17.2°C/13.7°C
3/31
Tuesday
Moderate rain
18.9°C/14.8°C
4/1
Wednesday
Overcast
15.7°C/13.3°C

Bessho Onsen Frequently Asked Questions and Useful Information for Travel

What is Bessho Onsen known for?

Bessho Onsen is renowned as the oldest recorded hot spring in the region. Its therapeutic sulfurous waters have a long history, with legends claiming they healed the arrow wounds of ancient warriors who bathed in them.

What are the most significant onsen in Japan?

While 'top 3' onsen depend on personal preference, historically, Arima Onsen, Kusatsu Onsen, and Gero Onsen are often recognized as the 'Three Great Hot Springs' due to their age and fame. Bessho Onsen is also a significant historical hot spring destination.

Do you wear underwear when bathing in an onsen?

No, you are required to undress completely in the changing area; no clothes, underwear, or swimwear are permitted in the bathing area of an onsen. You can leave your belongings in provided baskets or lockers. A small modesty towel can be taken into the bathing area.

How do I travel to Bessho Onsen?

To reach Bessho Onsen, first take the Hokuriku Shinkansen from Nagano Station to Ueda Station, a journey of about 10 minutes. From Ueda Station, transfer to the Uedadentetsu Bessho Line and ride for approximately 30 minutes to Bessho Onsen Station.

What is the historical significance of Bessho Onsen?

Bessho Onsen holds the distinction of being the oldest continuously operating hot spring in Japan. Its waters have been revered for centuries for their healing properties, contributing to its enduring legacy as a premier onsen destination.