January in Nakatsugawa averages a daily high of 6.8°C. Expect roughly 7.5 wet days totalling 54.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Nakatsugawa is April–June.
Based on IIDA, JA (28.9km), 1995–2024. 27 years of January data.