It's very convenient to travel between Kumamoto Port and Shimabara Port! You can feed the seabirds on the boat, which is super fun!
Anonymous User
Family
Shimabara Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Shimabara year round climate
Spring (March–May): Average 12.8–21.0°C, warm and humid climate with relatively high rainfall. Cherry blossoms occasionally bloom in March and April. Common activities: Cherry blossom viewing (depending on bloom conditions), hiking, visiting historical sites. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 24.5–29.9°C, hot and humid with relatively high rainfall, especially in July. Common activities: Beach activities, visiting museums, enjoying local cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 20.4–15.1°C, comfortable and pleasant climate with relatively low rainfall. Common activities: Hiking, onsen experience, enjoying autumn scenery. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average 7.6–8.3°C, cold and humid climate with relatively low rainfall. Common activities: Indoor activities, onsen experience, enjoying local cuisine. Recommended clothing: Warm jacket, scarf, gloves, hat.
Shimabara climatological average
Annual average temperature: approx. 18.3°C / Annual rainfall: approx. 2112 mm / Summer humidity: 70%–80% / Rainiest month: July
Shimabara 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
251.4
April
17.7°C
223.6
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
Shimabara weather for the next seven days
12/19
Friday
Sunny
16.1°C/10°C
12/20
Saturday
Patchy rain nearby
17.1°C/14.2°C
12/21
Sunday
Moderate rain
14.7°C/7.8°C
12/22
Monday
Sunny
12.9°C/7.5°C
12/23
Tuesday
Sunny
12.9°C/8.4°C
12/24
Wednesday
Patchy rain nearby
14.4°C/9.3°C
12/25
Thursday
Partly Cloudy
11.6°C/9°C
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