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Tsushima Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Tsushima year round climate

  • 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

4/22
Wednesday
Patchy rain nearby
17°C/12°C
4/23
Thursday
Patchy rain nearby
15.9°C/13.3°C
4/24
Friday
Sunny
16.1°C/13.3°C
4/25
Saturday
Sunny
17.7°C/13.1°C
4/26
Sunday
Patchy rain nearby
18.8°C/15°C
4/27
Monday
Sunny
18°C/14.9°C
4/28
Tuesday
Partly Cloudy
19.1°C/14.4°C