December in Trento averages a daily high of -1.3°C with nights around -5.9°C. Expect roughly 5.3 wet days totalling 43.2mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Trento is June–August.
Based on PAGANELLA, IT (11.4km), 1995–2024. 11 years of December data.