October in Hatsukaichi averages a daily high of 23.8°C. Expect roughly 7.7 wet days totalling 106.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hatsukaichi is April–May.
Based on HIROSHIMA, JA (13.5km), 1995–2024. 21 years of October data.