Climate almanac
Ryōtsu-minato
Niigata, Japan · 38.08°, 138.44°
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)