October in Yotsukaidō averages a daily high of 22.6°C. Expect roughly 11.4 wet days totalling 229mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Yotsukaidō is April–June.
Based on CHIBA, JA (8.2km), 1995–2024. 27 years of October data.