Oshima

What is the climate like in Oshima?

The best time to visit Oshima is typically October, the year's most comfortable month (6.3/10). Oshima is warmest in August, when daily highs average 84°F (29°C), and coolest in February, when lows fall to about 39°F (4°C). The wettest month is typically December and the driest is May; the year sees roughly 84 in (2130 mm) of precipitation.

• Best time to visitOctober — the year's comfort peak (6.3/10)
• Warmest monthAugust — average high 84°F (29°C)
• Coolest monthFebruary — average low 39°F (4°C)
• Wettest monthDecember (10.0 in (254 mm))
• Driest monthMay (4.8 in (121 mm))
• Annual precipitation84 in (2130 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromFushiki, 32 km away (1951-2026)