January in Fujinomiya averages a daily high of 11.5°C. Expect roughly 5.1 wet days totalling 64.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Fujinomiya is April–June.
Based on MISHIMA, JA (30.8km), 1995–2024. 29 years of January data.