Climate almanac
Minamiuonuma
Niigata, Japan · 37.08°, 138.87°
What is the climate like in Minamiuonuma?
The best time to visit Minamiuonuma is typically August, the year's most comfortable month (5.9/10). Minamiuonuma is warmest in August, when daily highs average 82°F (28°C), and coolest in January, when lows fall to about 21°F (-6°C). The wettest month is typically July and the driest is April; the year sees roughly 100 in (2544 mm) of precipitation.
- Best time to visitAugust — the year's comfort peak (5.9/10)
- Warmest monthAugust — average high 82°F (28°C)
- Coolest monthJanuary — average low 21°F (-6°C)
- Wettest monthJuly (12 in (303 mm))
- Driest monthApril (6.3 in (160 mm))
- Annual precipitation100 in (2544 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromTakada, 55 km away (1951-2026)