December in Como averages a daily high of 8°C with nights around 2.2°C. Expect roughly 7.3 wet days totalling 80.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Como is May–September.
Based on LUGANO, SZ (23.2km), 1995–2024. 30 years of December data.