December in Vigo averages a daily high of 12.9°C with nights around 6.4°C. Expect roughly 16.3 wet days totalling 254.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Vigo is June–September.
Based on VIGO PEINADOR, SP (8.2km), 1995–2024. 30 years of December data.