Spring (March–May): Average 11.5–18.5°C, mild and rainy, with occasional showers. Common activities: Hiking, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt.
Summer (June–August): Average 22.2–28.1°C, hot and humid, abundant rainfall. Common activities: Beach activities, water sports. Suggested clothing: Light and breathable clothing, sun hat.
Autumn (September–November): Average 15.0–25.3°C, comfortable temperature, September has more rainfall, other months have moderate rainfall. Common activities: Hiking, maple viewing (in some areas). Suggested clothing: Comfortable trousers, light jacket.
Winter (December–February): Average 6.6–7.9°C, cold and dry, low rainfall. Common activities: Hot spring experience, indoor activities. Suggested clothing: Warm jacket, beanie, scarf.
Tsushima climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1555 mm / Summer humidity: 70%–80% / Rainiest month: September
Tsushima monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
38.9
February
7.6°C
72.5
March
11.5°C
93.9
April
15.3°C
123
May
18.5°C
117
June
22.2°C
210.2
July
26.3°C
180.5
August
28.1°C
197.2
September
25.3°C
266.5
October
19.8°C
99.6
November
15°C
126.6
December
7.9°C
29.9
Tsushima weather for the next seven days
10/27
Monday
Sunny
16.4°C/13.1°C
10/28
Tuesday
Sunny
13.8°C/11.1°C
10/29
Wednesday
Sunny
16.3°C/11.1°C
10/30
Thursday
Partly Cloudy
18.4°C/14.7°C
10/31
Friday
Moderate rain
20.2°C/17.1°C
11/1
Saturday
Patchy rain nearby
19.2°C/15.1°C
11/2
Sunday
Partly Cloudy
13.9°C/10.1°C
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