December in Suiling averages a daily high of -13.6°C with nights around -23.5°C. Expect roughly 4.5 wet days totalling 6.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Suiling is May.
Based on HAILUN, CH (24.4km), 1995–2024. 26 years of December data.