Climate almanac
Nagaoka
Niigata, Japan · 37.45°, 138.85°
What is the climate like in Nagaoka?
The best time to visit Nagaoka is typically May, the year's most comfortable month (6.2/10). Nagaoka is warmest in August, when daily highs average 90°F (32°C), and coolest in January, when lows fall to about 32°F (0°C). The wettest month is typically December and the driest is May; the year sees roughly 74 in (1873 mm) of precipitation.
- Best time to visitMay — the year's comfort peak (6.2/10)
- Warmest monthAugust — average high 90°F (32°C)
- Coolest monthJanuary — average low 32°F (0°C)
- Wettest monthDecember (8.8 in (225 mm))
- Driest monthMay (4.3 in (108 mm))
- Annual precipitation74 in (1873 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromNiigata, 55 km away (1951-2026)