January in Narutochō-mitsuishi averages a daily high of 9.9°C. Expect roughly 5.4 wet days totalling 35.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Narutochō-mitsuishi is April–June.
Based on TOKUSHIMA, JA (15.2km), 1995–2024. 23 years of January data.