Ōshima

What is the climate like in Ōshima?

The best time to visit Ōshima is typically October – November, with trip comfort peaking in November (6.8/10). Ōshima is warmest in August, when daily highs average 85°F (30°C), and coolest in February, when lows fall to about 41°F (5°C). The wettest month is typically July and the driest is January; the year sees roughly 70 in (1768 mm) of precipitation.

• Best time to visitOctober – November — comfort peaks in November (6.8/10)
• Warmest monthAugust — average high 85°F (30°C)
• Coolest monthFebruary — average low 41°F (5°C)
• Wettest monthJuly (10 in (256 mm))
• Driest monthJanuary (2.5 in (63 mm))
• Annual precipitation70 in (1768 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKure Reg Met Hq, 48 km away (1957-2026)