Climate almanac
Ōtsuchi
Iwate, Japan · 39.37°, 141.90°
What is the climate like in Ōtsuchi?
The best time to visit Ōtsuchi is typically November, the year's most comfortable month (6.3/10). Ōtsuchi is warmest in August, when daily highs average 75°F (24°C), and coolest in February, when lows fall to about 34°F (1°C). The wettest month is typically August and the driest is January; the year sees roughly 58 in (1472 mm) of precipitation.
- Best time to visitNovember — the year's comfort peak (6.3/10)
- Warmest monthAugust — average high 75°F (24°C)
- Coolest monthFebruary — average low 34°F (1°C)
- Wettest monthAugust (7.8 in (199 mm))
- Driest monthJanuary (2.4 in (62 mm))
- Annual precipitation58 in (1472 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMiyako, 32 km away (1951-2026)