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Shimane Peninsula

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Shimane Peninsula Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Shimane Peninsula year round climate

  • Spring (March–May): Average 0.7–9.5°C, cold and humid climate, with the possibility of snowfall or low temperatures in early spring. Temperatures gradually warm from March to May. Common activities: mountain viewing, hiking (be sure to dress warmly). Recommended clothing: warm jacket, sweater, waterproof jacket.
  • Summer (June–August): Average 13.0–19.9°C, warm and humid climate, with more rainfall, especially in August. Common activities: outdoor activities should be mindful of rain; it's best to avoid the rainy season. Recommended clothing: light and breathable clothing, rain gear.
  • Autumn (September–November): Average 7.3–18.3°C, cool and comfortable climate, with gradually decreasing rainfall. Common activities: viewing autumn leaves, mountain climbing, hiking. Recommended clothing: light jacket, long-sleeved shirt.
  • Winter (December–February): Average -3.7–-0.6°C, cold and dry climate, with possible snowfall. Common activities: skiing (if there is snow), indoor activities. Recommended clothing: thick jacket, hat, scarf, gloves.

Shimane Peninsula climatological average

Annual average temperature: approx. 8°C / Annual rainfall: approx. 999 mm / Summer humidity: 70%–80% / Rainiest month: August

Shimane Peninsula monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-3.2°C
24.3
February
-3.7°C
25
March
0.7°C
61
April
5.9°C
64
May
9.5°C
75
June
13°C
94.3
July
18.2°C
126.3
August
19.9°C
196
September
18.3°C
116
October
13.1°C
120.7
November
7.3°C
54.3
December
-0.6°C
43

Shimane Peninsula weather for the next seven days

4/17
Friday
Sunny
5.3°C/2°C
4/18
Saturday
Partly Cloudy
8.4°C/3.3°C
4/19
Sunday
Patchy rain nearby
8.3°C/1.9°C
4/20
Monday
Sunny
3.2°C/1°C
4/21
Tuesday
Patchy rain nearby
4.8°C/1.5°C
4/22
Wednesday
Cloudy
8.9°C/2.5°C
4/23
Thursday
Sunny
7.9°C/4.6°C

Shimane Peninsula Frequently Asked Questions and Useful Information for Travel

What is Shimane Peninsula famous for?

The Shimane Peninsula is renowned for its deep connection to Japanese mythology and history, particularly the Izumo Taisha Grand Shrine, a UNESCO World Heritage Site at the Iwami Ginzan Silver Mine, and the iconic Matsue Castle. It also boasts stunning natural beauty with Lake Shinji and the Oki Islands, therapeutic hot springs like Tamatsukuri Onsen, and distinctive local cuisine such as Izumo soba and flying fish.

What are the must-do activities on Shimane Peninsula?

Visitors to the Shimane Peninsula should explore the Adachi Museum of Art with its exquisite gardens, visit the sacred Izumo Grand Shrine, admire the historic Matsue Castle, wander through the beautiful Yuushien Garden, and experience the unique atmosphere of Inasa Beach.

What is the history of the Shimane Peninsula?

The history of the Shimane Peninsula is intertwined with Japanese mythology, with the god Ōkuninushi believed to have resided in Izumo, an ancient province within Shimane. The Izumo Shrine honors this deity. Historically, the region encompassing the modern Shimane Prefecture was divided into the areas of Iwami, Izumo, and Oki.

Which country is Shimane Peninsula located in?

The Shimane Peninsula is located in western Japan, stretching along the coastline of the Sea of Japan. It is situated in Shimane Prefecture, one of Japan's more rural and less populated regions, bordering Hiroshima to the south.

What cultural highlights can be found on Shimane Peninsula?

Shimane Peninsula is a treasure trove of Japanese culture, most notably featuring one of the oldest and most significant Shinto shrines in Japan, Izumo Taisha, which is dedicated to the god of relationships and marriage. Additionally, the Iwami Ginzan Silver Mine, a UNESCO World Heritage site, was once the world's largest source of silver in the 17th century, offering a glimpse into Japan's rich industrial past.