March in Vigo averages a daily high of 16°C with nights around 7.4°C. Expect roughly 14 wet days totalling 156.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Vigo is June–September.
Based on VIGO PEINADOR, SP (8.2km), 1995–2024. 30 years of March data.