August in Ichinomiya averages a daily high of 33.7°C. Expect roughly 11.9 wet days totalling 186.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Ichinomiya is April–May.
Based on GIFU, JA (11.5km), 1995–2024. 24 years of August data.