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
12/20
Saturday
Patchy rain nearby
76°F/73.7°F
12/21
Sunday
Patchy rain nearby
77.9°F/76°F
12/22
Monday
Heavy rain
75°F/71.9°F
12/23
Tuesday
Moderate rain
75.6°F/71.3°F
12/24
Wednesday
Patchy rain nearby
72°F/70.4°F
12/25
Thursday
Patchy rain nearby
76.6°F/73.3°F
12/26
Friday
Patchy rain nearby
74.9°F/72.9°F
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