December in Pánlóngchéng Jīngjì Kāifāqū averages a daily high of 10.9°C with nights around 2.7°C. Expect roughly 5.9 wet days totalling 29.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Pánlóngchéng Jīngjì Kāifāqū is September–November.