January in Bratsk averages a daily high of -15.9°C with nights around -23.5°C. Expect roughly 14.9 wet days totalling 16.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Bratsk is June–August.
Based on BRATSK, RS (18.4km), 1995–2024. 25 years of January data.