December in Palencia averages a daily high of 8.4°C with nights around 0°C. Expect roughly 10 wet days totalling 47mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Palencia is May–September.
Based on VALLADOLID VILLANUBLA, SP (43.7km), 1995–2024. 30 years of December data.