December in Szombathely averages a daily high of 4°C with nights around -1.8°C. Expect roughly 8.4 wet days totalling 32.7mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Szombathely is May–September.
Based on SZOMBATHELY, HU (4.1km), 1995–2024. 30 years of December data.