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Kumamoto

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Best time to visit Kumamoto

Data source:Meteostat
Last updated:2025-09

Weather in Kumamoto throughout the year

  • 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.

Weather in Kumamoto

Annual average temperature: approx. 18°C / Annual rainfall: approx. 2079 mm / Summer humidity: 70%–80% / Rainiest month: July

Kumamoto weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Kumamoto

11/9
Monday
Overcast
16.9°C/11.9°C
11/10
Tuesday
Sunny
19°C/11°C
11/11
Wednesday
Sunny
18.6°C/8.1°C
11/12
Thursday
Overcast
19.1°C/8.5°C
11/13
Friday
Overcast
18.9°C/12°C
11/14
Saturday
Overcast
20.4°C/13.7°C
11/15
Sunday
Moderate rain
20.3°C/15.9°C