Climate almanac

Ōta

Iwate, Japan · 39.43°, 140.75°

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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)