December in Ålesund averages a daily high of 5.7°C with nights around 1.6°C. Expect roughly 20.8 wet days totalling 169.6mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Ålesund is June–September.
Based on VIGRA, NO (10.2km), 1995–2024. 29 years of December data.