Spring (March–May): Average 52–65°F, mild and rainy, with occasional showers. Common activities: Hiking, flower viewing. Suggested clothing: Light jacket, long-sleeved shirt.
Summer (June–August): Average 71–82°F, hot and humid, abundant rainfall. Common activities: Beach activities, water sports. Suggested clothing: Light and breathable clothing, sun hat.
Autumn (September–November): Average 59–77°F, 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 43–46°F, 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. 62.6°F / Annual rainfall: approx. 1555 mm / Summer humidity: 70%–80% / Rainiest month: September
Tsushima monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
43.9°F
38.9
February
45.7°F
72.5
March
52.7°F
93.9
April
59.5°F
123
May
65.3°F
117
June
72°F
210.2
July
79.3°F
180.5
August
82.6°F
197.2
September
77.5°F
266.5
October
67.6°F
99.6
November
59°F
126.6
December
46.2°F
29.9
Tsushima weather for the next seven days
12/20
Saturday
Moderate rain
65.4°F/60°F
12/21
Sunday
Patchy rain nearby
57.1°F/44.9°F
12/22
Monday
Sunny
53.3°F/42.1°F
12/23
Tuesday
Moderate rain
57.6°F/51.7°F
12/24
Wednesday
Moderate rain
57.4°F/50.5°F
12/25
Thursday
Sunny
53°F/49°F
12/26
Friday
Partly Cloudy
54.4°F/51.4°F
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