Ōshū

What is the climate like in Ōshū?

The best time to visit Ōshū is typically June, the year's most comfortable month (5.9/10). Ōshū is warmest in August, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically August and the driest is February; the year sees roughly 53 in (1349 mm) of precipitation.

• Best time to visitJune — the year's comfort peak (5.9/10)
• Warmest monthAugust — average high 82°F (28°C)
• Coolest monthJanuary — average low 25°F (-4°C)
• Wettest monthAugust (6.9 in (175 mm))
• Driest monthFebruary (2.5 in (64 mm))
• Annual precipitation53 in (1349 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromOfunato, 48 km away (1964-2026)