January in Hailar averages a daily high of -19.7°C with nights around -29.6°C. Expect roughly 4.8 wet days totalling 4.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Hailar is May–June.
Based on HAILAR, CH (5.6km), 1995–2024. 25 years of January data.