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Owakudani

Owakudani 1
Travel Info
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Travel Info

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Owakudani Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Owakudani year round climate

  • Spring (March–May): Average 53–66°F, mild but rainy, especially in April. Common activities: Hiking (be aware of weather changes), onsen experience. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 73–82°F, hot and humid, frequent rainfall from June to August, pay attention to sun protection and rain. Common activities: Onsen, enjoying volcanic views. Recommended clothing: Light and breathable clothing, rain gear, hat.
  • Autumn (September–November): Average 66–78°F, comfortable climate, rainfall gradually decreases. Common activities: Hiking, viewing autumn leaves (in some areas). Recommended clothing: Comfortable long-sleeved clothing, light jacket.
  • Winter (December–February): Average 43–47°F, low temperature, dry. Common activities: Onsen experience, enjoying winter scenery. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.

Owakudani climatological average

Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 2182 mm / Summer humidity: 70%–80% / Rainiest month: June

Owakudani monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
43.2°F
43.1
February
45.5°F
109.2
March
53.2°F
191.3
April
61.2°F
234
May
66°F
262.2
June
73°F
346.2
July
82.2°F
198.4
August
82.2°F
227.1
September
79°F
242.3
October
66.2°F
152.5
November
58.5°F
137.1
December
47.1°F
38.8

Owakudani weather for the next seven days

12/20
Saturday
Moderate rain
50.5°F/45.1°F
12/21
Sunday
Patchy rain nearby
58.6°F/50.4°F
12/22
Monday
Patchy rain nearby
46.5°F/41.5°F
12/23
Tuesday
Sunny
41.6°F/33.5°F
12/24
Wednesday
Heavy rain
53.9°F/41.1°F
12/25
Thursday
Patchy rain nearby
53.9°F/48.4°F
12/26
Friday
Patchy rain nearby
44.6°F/40.6°F

Owakudani Frequently Asked Questions and Useful Information for Travel

What is Owakudani known for?

Owakudani is one of the most famous viewpoints in Hakone, where you can observe intense volcanic activity up close. This volcanic valley was formed by a phreatic eruption and pyroclastic flow that occurred almost 3000 years ago.

Why are Owakudani eggs black?

The famous Kurotamago, or black eggs, are a unique delicacy of Owakudani. These are raw eggs boiled in the hot springs at eighty degrees Celsius for 1 hour. The iron from the spring water adheres to the shell, and when it reacts with hydrogen sulfide, it creates the distinctive black coating.

Is Owakudani worth visiting?

Owakudani is a highly recommended spot for experiencing Japan's volcanic activity up close. From its powerful fumarole area and famous black eggs to the scenic ropeway and surrounding tourist attractions, Owakudani offers a full day of unique experiences.

Is Owakudani an active volcano?

Yes, Owakudani is a volcanic valley with active sulfur vents and hot springs. It is the result of a volcanic eruption that occurred over 3,000 years ago, and this geological activity is a primary draw for visitors.

What geological event formed Owakudani?

Owakudani was formed by a significant phreatic eruption and pyroclastic flow that took place approximately 3,000 years ago, shaping the landscape into the active volcanic valley seen today.