Hanyū

What is the climate like in Hanyū?

The best time to visit Hanyū is typically December, the year's most comfortable month (6.4/10). Hanyū is warmest in August, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 32°F (0°C). The wettest month is typically July and the driest is December; the year sees roughly 63 in (1594 mm) of precipitation.

• Best time to visitDecember — the year's comfort peak (6.4/10)
• Warmest monthAugust — average high 89°F (32°C)
• Coolest monthJanuary — average low 32°F (0°C)
• Wettest monthJuly (8.8 in (224 mm))
• Driest monthDecember (1.5 in (39 mm))
• Annual precipitation63 in (1594 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromKumagaya, 14 km away (1951-2026)