I joined two different tour groups for two consecutive days, and the service from Xiao Tan and Xiao Shi was excellent. If you don't want to spend time scrambling for train tickets and planning your itinerary, I highly recommend this tour. The schedule is tight, but the stops are all at the best spots. Be prepared for long drive times. The Aso volcano crater is currently closed to the public.
Anonymous User
Family
Aso Kuju National Park Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Aso Kuju National Park year round climate
Spring (March–May): Average 5–13°C, mild climate, but with a large temperature difference between morning and evening, and less rainfall. Common activities: walking, flower viewing, mountain climbing. Recommended clothing: light jacket, long-sleeved clothing, comfortable hiking shoes.
Summer (June–August): Average 17–23°C, warm and comfortable climate, but with more rainfall in June, so be aware of rain. Common activities: camping, mountain climbing, playing in streams. Recommended clothing: light and breathable clothing, rain gear.
Autumn (September–November): Average 9–16°C, cool and pleasant climate, sunny weather, suitable for outdoor activities. Common activities: viewing autumn leaves, hiking, cycling. Recommended clothing: light jacket, long-sleeved clothing.
Winter (December–February): Average 1–4°C, cold climate, with possible snowfall, pay attention to keeping warm. Common activities: skiing (depending on snowfall), onsen experience. Recommended clothing: warm jacket, hat, gloves, scarf.
Aso Kuju National Park climatological average
Annual average temperature: approx. 12.2°C / Annual rainfall: approx. 104 mm / Summer humidity: 60%–70% / Rainiest month: June
Aso Kuju National Park monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
1.5°C
1.4
February
4.1°C
7.9
March
5°C
13.5
April
12.1°C
10
May
13.5°C
10
June
17.2°C
22.5
July
22°C
10.7
August
23.2°C
13.2
September
21.1°C
3.4
October
15.7°C
5.3
November
9.1°C
5.6
December
1.3°C
0.6
Aso Kuju National Park weather for the next seven days
4/18
Saturday
Patchy rain nearby
15.7°C/11°C
4/19
Sunday
Moderate rain
11°C/9.4°C
4/20
Monday
Moderate rain
17.9°C/10.2°C
4/21
Tuesday
Patchy rain nearby
16.1°C/9.7°C
4/22
Wednesday
Patchy rain nearby
18.5°C/12.1°C
4/23
Thursday
Moderate rain
13.5°C/12°C
4/24
Friday
Patchy rain nearby
11.9°C/8.1°C
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