August in Ishinomaki averages a daily high of 27.4°C. Expect roughly 11.2 wet days totalling 128.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ishinomaki is May–October.
Based on ISHINOMAKI, JA (1.8km), 1995–2024. 25 years of August data.