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Shimane

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Shimane Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Shimane year round climate

  • Spring (March–May): 11.1–19.3°C on average, mild climate but with relatively high rainfall, especially in March and April. Common activities: flower viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): 23.1–28.6°C on average, hot and humid with relatively high rainfall, especially in June. Common activities: swimming at the beach, mountain climbing for summer escape. Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): 14.2–25.9°C on average, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: maple leaf viewing, outdoor activities. Recommended clothing: comfortable long-sleeved clothing, light jacket.
  • Winter (December–February): 5.9–8.3°C on average, cold and dry with low rainfall. Common activities: onsen experience, indoor activities. Recommended clothing: warm jacket, hat, scarf, gloves.

Shimane climatological average

Annual average temperature: approx. 17°C / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June

Shimane monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
5.9°C
25
February
6.8°C
63.7
March
11.1°C
148.3
April
16.2°C
143.7
May
19.3°C
186.3
June
23.1°C
253.7
July
28.3°C
156.7
August
28.6°C
206.3
September
25.9°C
217
October
18.9°C
146.7
November
14.2°C
75.7
December
8.3°C
25.8

Shimane weather for the next seven days

9/19
Saturday
Overcast
27.9°C/21.7°C
9/20
Sunday
Light rain shower
23.3°C/21.3°C
9/21
Monday
Light rain shower
22.2°C/21.1°C
9/22
Tuesday
Patchy rain nearby
29.4°C/22.1°C
9/23
Wednesday
Overcast
25.2°C/21.8°C
9/24
Thursday
Patchy rain nearby
27°C/21.4°C
9/25
Friday
Cloudy
28.1°C/21.8°C

Shimane Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

Shimane Prefecture’s dressing guide for each season: Spring (March to May): light jackets, thin sweaters; Summer (June to August): light clothing, short sleeves; Autumn (September to November): light jackets, Outerwear; winter (December to February): coats, wool suits, thick sweaters and jackets.

What are the must-visit attractions?

Must-visit attractions include Izumo Taisha Shrine, Tamasakuyu Shrine, Hinomisaki Shrine, Shimane Prefectural Shimane Aquarium AQUAS, etc.