December in Asker averages a daily high of 0.3°C with nights around -4.3°C. Expect roughly 14.2 wet days totalling 77.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Asker is June–August.
Based on ASKER, NO (2.5km), 1995–2024. 30 years of December data.