January in Asker averages a daily high of -0.2°C with nights around -5.3°C. Expect roughly 13.5 wet days totalling 85.3mm. 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 January data.