Spring (March–May): Average 13.8–20.4°C, mild and comfortable climate, but with relatively high rainfall; it is recommended to carry an umbrella at all times. Common activities: flower viewing, coastal walks. Recommended attire: light jacket, long-sleeved shirt, comfortable walking shoes.
Summer (June–August): Average 23.7–28.9°C, hot and humid, with rainfall concentrated in June. Common activities: swimming, water sports. Recommended attire: light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 21.6–17.1°C, pleasant climate with reduced rainfall. Common activities: outdoor hiking, viewing autumn leaves (in some areas). Recommended attire: comfortable long-sleeved clothing, light jacket.
Winter (December–February): Average 9.2–10.2°C, lower temperatures with little rainfall. Common activities: onsen (hot spring) bathing, indoor activities. Recommended attire: warm jacket, sweater, scarf.
Amakusa climatological average
Annual average temperature: approx. 18.7°C / Annual rainfall: approx. 2125 mm / Summer humidity: 70%–80% / Rainiest month: June
Amakusa monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
9.2°C
110.9
February
10.2°C
102.1
March
13.8°C
203.6
April
17.7°C
253.8
May
20.4°C
233.4
June
23.7°C
393.9
July
28.2°C
227
August
28.9°C
141.8
September
27.4°C
144.3
October
21.6°C
116.8
November
17.1°C
127.1
December
10.1°C
70.7
Amakusa weather for the next seven days
11/2
Sunday
Partly Cloudy
18.4°C/16.6°C
11/3
Monday
Sunny
18.3°C/16°C
11/4
Tuesday
Partly Cloudy
19.9°C/16.6°C
11/5
Wednesday
Moderate rain
17.1°C/15.6°C
11/6
Thursday
Sunny
21.1°C/16.9°C
11/7
Friday
Partly Cloudy
19.5°C/17.2°C
11/8
Saturday
Sunny
21.3°C/19.3°C
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