Climate almanac
Kōshi
Kumamoto, Japan · 32.89°, 130.78°
What is the climate like in Kōshi?
The best time to visit Kōshi is typically October, the year's most comfortable month (6.6/10). Kōshi is warmest in August, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 36°F (2°C). The wettest month is typically June and the driest is December; the year sees roughly 81 in (2064 mm) of precipitation.
- Best time to visitOctober — the year's comfort peak (6.6/10)
- Warmest monthAugust — average high 89°F (32°C)
- Coolest monthJanuary — average low 36°F (2°C)
- Wettest monthJune (15 in (381 mm))
- Driest monthDecember (2.5 in (63 mm))
- Annual precipitation81 in (2064 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromKumamoto, 11 km away (1951-2026)