December in Worms averages a daily high of 5.8°C with nights around 0.3°C. Expect roughly 13.8 wet days totalling 44mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Worms is May–September.
Based on WORMS, GM (3.1km), 1995–2024. 29 years of December data.