Because of the large group, hiring a car and planning your own itinerary to visit more distant attractions and hotels is really easy and convenient. They'll notify you before departure to create a LINE group, so you don't have to worry about not being able to contact the driver. Highly recommended.
We didn't visit the Aso crater, but we did visit other scenic spots. Our guide, Xiaoyu, provided very thorough explanations, and we had ample time at each site. We had lunch in Kusasenri, which had beautiful scenery. We drove past Mount Yonezuka, and finally parted ways at Kurokawa Onsen. Almost half the group also left the bus there. It's helpful to inform the guide in advance, as they will arrange hotel pick-up and drop-off, etc., which is really convenient.
Unlike roaming, it doesn't lag when used; the experience is quite good. It's worth buying if it's cheap. The card seems to have a phone number on it, but I haven't tested it by calling yet. It would be even better if I could leave my phone number to make restaurant reservations.
Anonymous User
Couple
Kumamoto Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Kumamoto year round climate
Spring (March–May): Average 12.8–21.0°C, mild climate but with abundant rainfall, especially from March to May. Common activities: Flower viewing (e.g., cherry blossoms, azaleas), outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 24.5–29.9°C, hot and humid with abundant rainfall, especially in June and July. Common activities: Visiting summer resorts, water activities. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 20.4–27.6°C, comfortable and pleasant climate with less rainfall. Common activities: Mountain climbing, hiking, visiting historical sites. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
Winter (December–February): Average 7.6–8.3°C, cold and dry with less rainfall. Common activities: Hot spring trips, indoor activities. Recommended clothing: Warm coat, sweater, scarf, gloves.
Kumamoto climatological average
Annual average temperature: approx. 18°C / Annual rainfall: approx. 2079 mm / Summer humidity: 70%–80% / Rainiest month: July
Kumamoto monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
56.5
February
8.3°C
92.7
March
12.8°C
226.3
April
17.7°C
215.9
May
21°C
274
June
24.5°C
369.8
July
28.6°C
371.5
August
29.9°C
165.2
September
27.6°C
92.3
October
20.4°C
96
November
15.1°C
81.8
December
7.6°C
37.8
Kumamoto weather for the next seven days
6/18
Thursday
Heavy rain
22.4°C/21.7°C
6/19
Friday
Heavy rain
22.8°C/21.8°C
6/20
Saturday
Heavy rain
23.9°C/22.6°C
6/21
Sunday
Moderate rain
26.8°C/21.9°C
6/22
Monday
Patchy rain nearby
27.1°C/19.9°C
6/23
Tuesday
Sunny
29°C/19.1°C
6/24
Wednesday
Sunny
27.9°C/18.8°C
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