December in Bergen averages a daily high of 5.2°C with nights around 0.8°C. Expect roughly 21.2 wet days totalling 274.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Bergen is June–August.
Based on BERGEN FLORIDA, NO (1.2km), 1995–2024. 30 years of December data.