Climate almanac
Tsushima
Nagasaki, Japan · 34.21°, 129.29°
What is the climate like in Tsushima?
The best time to visit Tsushima is typically November, the year's most comfortable month (6.8/10). Tsushima is warmest in August, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 43°F (6°C). The wettest month is typically September and the driest is December; the year sees roughly 64 in (1614 mm) of precipitation.
- Best time to visitNovember — the year's comfort peak (6.8/10)
- Warmest monthAugust — average high 83°F (28°C)
- Coolest monthJanuary — average low 43°F (6°C)
- Wettest monthSeptember (10 in (264 mm))
- Driest monthDecember (2.6 in (66 mm))
- Annual precipitation64 in (1614 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromIzuhara, 1 km away (1951-2026)