Ōshima

What is the climate like in Ōshima?

The best time to visit Ōshima is typically November, the year's most comfortable month (6.4/10). Ōshima is warmest in August, when daily highs average 81°F (27°C), and coolest in February, when lows fall to about 47°F (8°C). The wettest month is typically June and the driest is December; the year sees roughly 90 in (2274 mm) of precipitation.

• Best time to visitNovember — the year's comfort peak (6.4/10)
• Warmest monthAugust — average high 81°F (27°C)
• Coolest monthFebruary — average low 47°F (8°C)
• Wettest monthJune (12 in (308 mm))
• Driest monthDecember (3.6 in (91 mm))
• Annual precipitation90 in (2274 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromOshima, 2 km away (1951-2026)