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Akiyoshidai

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Akiyoshidai Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Akiyoshidai year round climate

  • Spring (March–May): Average 10.6–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Flower viewing, hiking. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 23.1–28.8°C, hot and rainy, with the most rainfall in July, and high humidity. Common activities: Summer resort, consider indoor activities such as visiting museums or local attractions. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 18.4–25.9°C, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: Mountain climbing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 4.8–6.2°C, cold and dry, with low rainfall. Common activities: Hot spring bathing, indoor leisure activities. Recommended clothing: Warm jacket, sweater, scarf, gloves.

Akiyoshidai climatological average

Annual average temperature: approx. 16.6°C / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: July

Akiyoshidai 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

Akiyoshidai weather for the next seven days

5/14
Thursday
Patchy rain nearby
23.6°C/12.1°C
5/15
Friday
Sunny
24°C/11.9°C
5/16
Saturday
Sunny
23.5°C/13.1°C
5/17
Sunday
Sunny
24.8°C/13.1°C
5/18
Monday
Sunny
25.8°C/13.6°C
5/19
Tuesday
Sunny
25.8°C/12.1°C
5/20
Wednesday
Patchy rain nearby
20.8°C/15.9°C

Akiyoshidai Frequently Asked Questions and Useful Information for Travel

How do I get to Akiyoshidai?

Akiyoshidai and Akiyoshido are accessible via an extensive bus network from Yamaguchi City, and also from other cities throughout the prefecture. Bocho Buses run from Shin-Yamaguchi Station to Akiyoshido Bus Center. From JR Yamaguchi Station, Chugoku JR buses also run to Akiyoshido Bus Center.

How long should I spend exploring Akiyoshido Cave?

It costs 1,200 Yen to enter the caves which are around 9 KM's long in total. The general public can walk through roughly 1 KM of the caves which takes around 30-40 minutes. Note that you can walk back through the cave to get back to the bus stop or walk above ground in around 20 minutes.

What is Akiyoshido Cave?

Akiyoshido is one of the largest limestone caves in Japan, which opens at the southern foot of the Akiyoshidai Quasi-National Park 100 meters underground. Passing through the chilly cedar grove that cools the skin, you will find the entrance to Akiyoshido.

What is Akiyoshidai known for?

Akiyoshidai is the largest karst plateau in Japan, spread in the middle and eastern part of Mine City. It was designated as a National Monument (Akiyoshidai Quasi-National Park) in 1955 and a special natural monument in 1964.

What are the unique geological features of Akiyoshidai?

Akiyoshidai is renowned for its vast limestone formations, sculpted over millennia by erosion. This unique karst landscape features dramatic sinkholes, underground rivers, and the spectacular Akiyoshido Cave, showcasing the power of natural geological processes.