January in Dalian averages a daily high of -0.4°C with nights around -6.4°C. Rain is rare — about 2.7 wet days and 6.1mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Dalian is May–June.
Based on DALIAN, CH (3km), 1995–2024. 18 years of January data.