Climate almanac
Tomioka
Kumamoto, Japan · 32.52°, 130.04°
What is the climate like in Tomioka?
The best time to visit Tomioka is typically October, the year's most comfortable month (6.6/10). Tomioka is warmest in August, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 45°F (7°C). The wettest month is typically June and the driest is December; the year sees roughly 93 in (2357 mm) of precipitation.
- Best time to visitOctober — the year's comfort peak (6.6/10)
- Warmest monthAugust — average high 86°F (30°C)
- Coolest monthJanuary — average low 45°F (7°C)
- Wettest monthJune (17 in (426 mm))
- Driest monthDecember (3.4 in (87 mm))
- Annual precipitation93 in (2357 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromNagasaki, 29 km away (1951-2026)