January in Azumino averages a daily high of 5.1°C. Expect roughly 5.7 wet days totalling 26.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Azumino is April–June.
Based on MATSUMOTO, JA (8.3km), 1995–2024. 28 years of January data.