December in Hatogaya-honchō averages a daily high of 12.5°C. Expect roughly 6.2 wet days totalling 60.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hatogaya-honchō is April–June.
Based on TOKYO, JA (16.8km), 1995–2024. 22 years of December data.