January in Miyakonojō averages a daily high of 12.2°C. Expect roughly 6.6 wet days totalling 59.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Miyakonojō is April–May.
Based on MIYAKONOJO, JA (1.5km), 1995–2024. 29 years of January data.