December in Salzburg averages a daily high of 4.4°C with nights around -2°C. Expect roughly 13.8 wet days totalling 57.8mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Salzburg is May–September.
Based on SALZBURG, AU (3.3km), 1995–2024. 30 years of December data.