January in Achinsk averages a daily high of -12.5°C with nights around -19.3°C. Expect roughly 13.3 wet days totalling 17.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Achinsk is June–August.
Based on ACHINSK, RS (1.3km), 1995–2024. 25 years of January data.