December in Villach averages a daily high of 2°C with nights around -6°C. Expect roughly 9.6 wet days totalling 111.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Villach is June–September.
Based on RATECE PLANICA, SI (17.1km), 1995–2024. 28 years of December data.