December in Nakatsugawa averages a daily high of 9.4°C. Expect roughly 9.5 wet days totalling 67.6mm. 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. 25 years of December data.