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
11/2
Sunday
Overcast
16.9°C/13.2°C
11/3
Monday
Sunny
18.7°C/14.1°C
11/4
Tuesday
Partly Cloudy
20.8°C/15.1°C
11/5
Wednesday
Moderate rain
16°C/13.8°C
11/6
Thursday
Sunny
20°C/14.8°C
11/7
Friday
Partly Cloudy
19.1°C/15.5°C
11/8
Saturday
Sunny
20.6°C/17.3°C
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