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Showa-shinzan

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Showa-shinzan Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Showa-shinzan year round climate

  • Spring (March–May): Average 2.6–11.9°C, cold and rainy climate; keep warm. Common activities: Enjoying the scenery after the spring snowmelt, viewing the volcano from afar. Recommended clothing: Warm jacket, sweater, waterproof clothing.
  • Summer (June–August): Average 16.0–22.8°C, warm and humid, with relatively high rainfall, especially in August. Common activities: Hiking (be aware of changing weather), enjoying the volcanic landscape. Recommended clothing: Lightweight and breathable clothing, rain gear, sun protection clothing.
  • Autumn (September–November): Average 13.8–20.0°C, pleasant climate, gradually decreasing rainfall. Common activities: Viewing autumn leaves (depending on tree species), walking. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average -1.7–-0.2°C, cold and dry, low chance of snowfall. Common activities: Enjoying the winter volcanic landscape, experiencing snow activities (if there is snowfall). Recommended clothing: Heavy coat, hat, gloves, scarf.

Showa-shinzan climatological average

Annual average temperature: approx. 9.7°C / Annual rainfall: approx. 1146 mm / Summer humidity: 70%–80% / Rainiest month: August

Showa-shinzan monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-1.7°C
62.5
February
-1.2°C
29.6
March
2.6°C
53.2
April
8.1°C
53.1
May
11.9°C
66.8
June
16°C
149.2
July
21.4°C
116.1
August
22.8°C
218.8
September
20°C
166.8
October
13.8°C
118.4
November
7.2°C
73.2
December
-0.2°C
38.6

Showa-shinzan weather for the next seven days

12/18
Thursday
Light snow
0.2°C/-2.8°C
12/19
Friday
Patchy rain nearby
3.1°C/-1.6°C
12/20
Saturday
Moderate rain
9.2°C/4.4°C
12/21
Sunday
Heavy rain
2.9°C/0.4°C
12/22
Monday
Cloudy
1.3°C/-2.4°C
12/23
Tuesday
Light freezing rain
1.6°C/-1.6°C
12/24
Wednesday
Patchy rain nearby
4.8°C/1.2°C

Showa-shinzan Frequently Asked Questions and Useful Information for Travel

What is Showa Shinzan known for?

Showa Shinzan is renowned as one of the youngest mountains in shinzan, Japan. It dramatically emerged from a flat wheat field between 1943 and 1945 due to intense seismic activity, reaching its current height of 290 meters.

Is Showa Shinzan still active?

Yes, Showa Shinzan is still volcanically active. Its formation was a direct result of volcanic activity that began in 1943 (Showa 18) in shinzan. The mountain stands at an altitude of 398 meters and continues to exhibit geothermal phenomena.

Can you hike Showa Shinzan?

Hiking Showa Shinzan in shinzan is considered a moderate adventure. The trail covers approximately 45.1 miles with an elevation gain of 1,958 feet, typically taking about 15 to 16.5 hours to complete.

When did Showa Shinzan last show significant volcanic activity?

The last significant eruption associated with the formation of Showa Shinzan in shinzan occurred between June 23, 1944, and September 30, 1945. This period saw the creation of the Showa-Shinzan dome at the eastern foot of the Usu volcano.

What makes Showa Shinzan a unique destination in shinzan?

Showa Shinzan's uniqueness stems from its recent volcanic origin. Visitors can witness a landscape actively shaped by geological forces, a rare sight offering insight into the dynamic nature of our planet. It's a must-see for nature enthusiasts visiting shinzan.