July in Tokuyama averages a daily high of 31.3°C. Expect roughly 12.8 wet days totalling 322.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tokuyama is April–May.
Based on YAMAGUCHI, JA (36.2km), 1995–2024. 28 years of July data.