The grass turned into fog, and the Aso Boys event was temporarily suspended, which was a bit disappointing. However, the friendliness of the local merchants and the delicious souvenirs made up for the aforementioned shortcomings.
Anonymous User
Family
Kirishima Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Kirishima year round climate
Spring (March–May): Average 70–77°F, warm and comfortable climate with gradually increasing rainfall. Common activities: Hiking, onsen experience. Recommended clothing: Light jacket, long-sleeved shirt.
Summer (June–August): Average 82–83°F, hot and humid with more rainfall. Common activities: Swimming, onsen, summer resort. Recommended clothing: Light and breathable clothing, sun-protective clothing.
Autumn (September–November): Average 80–77°F, comfortable and pleasant climate, with the most rainfall in September. Common activities: Autumn leaves viewing (in some areas), hiking. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 67–71°F, warm and comfortable with moderate rainfall. Common activities: Onsen relaxation, visiting volcanic landscapes. Recommended clothing: Light jacket, long-sleeved shirt.
Kirishima climatological average
Annual average temperature: approx. 76.5°F / Annual rainfall: approx. 1250 mm / Summer humidity: 70%–80% / Rainiest month: September
Kirishima monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
67.6°F
71.6
February
68.4°F
25
March
70.2°F
45.5
April
74.7°F
98.7
May
77.7°F
107.8
June
82°F
96.5
July
83.5°F
152.5
August
82.8°F
153.2
September
81.5°F
206.7
October
80.4°F
129.7
November
77.5°F
54.7
December
72°F
108.8
Kirishima weather for the next seven days
8/4
Tuesday
Light rain shower
84.2°F/80.7°F
8/5
Wednesday
Light rain shower
84.4°F/82.9°F
8/6
Thursday
Light rain shower
84.7°F/83.1°F
8/7
Friday
Moderate or heavy rain shower
84.7°F/81.9°F
8/8
Saturday
Moderate or heavy rain shower
84.8°F/81.6°F
8/9
Sunday
Partly Cloudy
85.4°F/83.8°F
8/10
Monday
Partly Cloudy
84.4°F/83.4°F
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