Climate almanac

Ryōtsu-minato

Niigata, Japan · 38.08°, 138.44°

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What is the climate like in Ryōtsu-minato?

The best time to visit Ryōtsu-minato is typically October, the year's most comfortable month (6.3/10). Ryōtsu-minato is warmest in August, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically July and the driest is March; the year sees roughly 68 in (1737 mm) of precipitation.

  • Best time to visitOctober — the year's comfort peak (6.3/10)
  • Warmest monthAugust — average high 85°F (30°C)
  • Coolest monthJanuary — average low 37°F (3°C)
  • Wettest monthJuly (8.0 in (203 mm))
  • Driest monthMarch (4.0 in (101 mm))
  • Annual precipitation68 in (1737 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromAikawa, 19 km away (1951-2026)