January in Hatogaya-honchō averages a daily high of 10.1°C. Expect roughly 4.5 wet days totalling 44.9mm. 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. 23 years of January data.