December in Tsuyama averages a daily high of 9.9°C. Expect roughly 9.1 wet days totalling 56.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tsuyama is April–May.
Based on TSUYAMA, JA (2.3km), 1995–2024. 29 years of December data.