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Yamaguchi City

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Yamaguchi City Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Yamaguchi City year round climate

  • Spring (March–May): Average 10.6–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, comfortable long-sleeved shirt.
  • Summer (June–August): Average 23.1–28.8°C, hot and humid with relatively high rainfall, most rainfall in July. Common activities: Swimming at the beach, visiting summer resorts. Recommended clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 18.4–25.9°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Mountain hiking, viewing autumn leaves. Recommended clothing: Light jacket or long-sleeved shirt.
  • Winter (December–February): Average 4.8–6.2°C, cold and dry with low rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm coat, sweater, scarf.

Yamaguchi City climatological average

Annual average temperature: approx. 17°C / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: July

Yamaguchi City monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.8°C
54.8
February
6°C
102.3
March
10.6°C
136.3
April
15.7°C
212.4
May
18.9°C
144.4
June
23.1°C
235.5
July
27.6°C
394.4
August
28.8°C
160.6
September
25.9°C
258.5
October
18.4°C
91.1
November
13.2°C
136.4
December
6.2°C
48.1

Yamaguchi City weather for the next seven days

10/14
Wednesday
Sunny
19.5°C/10.3°C
10/15
Thursday
Overcast
22.1°C/9°C
10/16
Friday
Overcast
23.9°C/10.8°C
10/17
Saturday
Sunny
25.3°C/11.1°C
10/18
Sunday
Overcast
23.8°C/12.4°C
10/19
Monday
Light rain shower
20.9°C/17.1°C
10/20
Tuesday
Fog
21.3°C/14.6°C

Yamaguchi City Frequently Asked Questions and Useful Information for Travel

Is Yamaguchi City worth visiting in 2025?

Yes, Yamaguchi City is absolutely worth visiting in 2025. It offers a captivating blend of rich Japanese culture, historical significance, and breathtaking natural beauty. From its ancient castle towns to its serene coastline, Yamaguchi provides a unique and memorable travel experience.

What is Yamaguchi City known for?

Yamaguchi City is renowned for its historical importance as a former samurai domain capital, boasting one of Japan's most beautifully preserved castle towns. It's also celebrated for its stunning natural landscapes, including picturesque beaches, tranquil shrines, and the impressive Akiyoshido limestone cave, one of Japan's largest.

Where is Yamaguchi City located?

Yamaguchi City is the capital and a significant academic and cultural center of Yamaguchi Prefecture, situated in the westernmost part of Japan's main island, Honshu.

What are the main attractions in Yamaguchi City?

The main attractions in Yamaguchi City include the beautifully preserved Hagi castle town, offering a glimpse into samurai history and its distinct pottery style. Visitors also flock to its serene beaches, hidden shrines, and the magnificent Akiyoshido cave, providing diverse experiences for every traveler.

What kind of experiences can I expect in Yamaguchi City?

In Yamaguchi City, you can expect to immerse yourself in Japan's rich cultural heritage, explore well-preserved historical sites, and marvel at unique natural formations. It's a destination perfect for independent travel, offering a chance to discover both the grandeur of its past and the tranquility of its natural surroundings.