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Kumakogen

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Kumakogen Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kumakogen year round climate

  • Spring (March–May): Average 11.6–19.5°C, mild climate, increasing rainfall. March–May is a blooming season with pleasant scenery. Common activities: Sightseeing, flower viewing, hiking. Suggested clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 23.6–29.3°C, hot and rainy, with the most rainfall in July and higher humidity. Common activities: Summer resort, playing in streams, mountain hiking (note: heatstroke and rain prevention). Suggested clothing: Light and breathable clothing, rain gear, sunscreen.
  • Autumn (September–November): Average 20.1–27.2°C, comfortable and pleasant climate, decreasing rainfall, crisp autumn air. Common activities: Maple leaf viewing, hiking, outdoor activities. Suggested clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 6.6–8.4°C, low temperatures, less rainfall. Common activities: Hot spring bathing, indoor activities. Suggested clothing: Warm clothing, jacket, hat, gloves.

Kumakogen climatological average

Annual average temperature: approx. 17.8°C / Annual rainfall: approx. 1496 mm / Summer humidity: 70%–80% / Rainiest month: July

Kumakogen monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
45
February
7.3°C
64
March
11.6°C
122.7
April
16.3°C
173.3
May
19.5°C
200.7
June
23.6°C
246.3
July
28.3°C
292.7
August
29.3°C
103.7
September
27.2°C
53
October
20.1°C
69.3
November
15.1°C
101.3
December
8.4°C
24.3

Kumakogen weather for the next seven days

3/16
Monday
Sunny
13.3°C/4.7°C
3/17
Tuesday
Overcast
12.3°C/4.6°C
3/18
Wednesday
Moderate rain
13.3°C/5.4°C
3/19
Thursday
Patchy rain nearby
12.9°C/10.2°C
3/20
Friday
Partly Cloudy
13.8°C/8.1°C
3/21
Saturday
Sunny
14.4°C/5.5°C
3/22
Sunday
Patchy rain nearby
14.3°C/7.4°C

Kumakogen Frequently Asked Questions and Useful Information for Travel

When is the best time to visit Mount Aso?

Considering climate and sightseeing activities, spring and autumn are undoubtedly the best seasons to visit. During these periods, the weather is pleasant, and the cherry blossoms and autumn leaves seen everywhere offer visitors a superb visual feast. Additionally, seasonal cuisine with its rich flavors allows for a culinary indulgence, experiencing the local customs and culture.

Where can I buy Chiikawa merchandise in Kumamoto?

'Shunsaikan' has branches at Kumamoto Station, SAKURA MACHI, Castle Town, and Aso Kumamoto Airport. Be sure to look for them! (Additionally, some merchandise is also sold at Greenland theme park, highway rest stops, and zoos. The 'KIDDY LAND' on the 6th floor of Amu Plaza at Kumamoto Station is a specialty store for anime character goods!)

Is Kumamoto suitable for families with children?

Kumamoto not only boasts the majestic Aso landscape, clear springs, and charming castle towns, but also features large amusement parks, zoos, farms, and experience facilities, making it an ideal choice for family travel with children.

What are the famous volcanic landscapes in Kumamoto Kogen?

The most famous volcanic landscape in Kumamoto Kogen is Mount Aso, which possesses one of the largest calderas in the world. Visitors can admire the magnificent scenery of the crater up close and experience the unique volcanic terrain.

Besides Mount Aso, what other natural attractions are recommended in Kumamoto Kogen?

Kumamoto Kogen is rich in natural resources. Besides Mount Aso, there are many beautiful springs, such as the Shirakawa Spring, with its clear and sweet water. Furthermore, the picturesque rural scenery and lush green mountain forests along the way are also invigorating.