August in Shikokuchūō averages a daily high of 32.8°C. Expect roughly 7.9 wet days totalling 100.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Shikokuchūō is April–June.
Based on TADOTSU, JA (38.9km), 1995–2024. 25 years of August data.