Climate almanac
Ōta
Iwate, Japan · 39.43°, 140.75°
What is the climate like in Ōta?
The best time to visit Ōta is typically August, the year's most comfortable month (5.9/10). Ōta is warmest in August, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically July and the driest is February; the year sees roughly 67 in (1700 mm) of precipitation.
- Best time to visitAugust — the year's comfort peak (5.9/10)
- Warmest monthAugust — average high 83°F (28°C)
- Coolest monthJanuary — average low 23°F (-5°C)
- Wettest monthJuly (7.9 in (199 mm))
- Driest monthFebruary (4.0 in (103 mm))
- Annual precipitation67 in (1700 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMorioka, 46 km away (1951-2026)