August in Tokuyama averages a daily high of 32.8°C. Expect roughly 11.2 wet days totalling 229.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tokuyama is April–May.
Based on YAMAGUCHI, JA (36.2km), 1995–2024. 24 years of August data.