March in Avilés averages a daily high of 14.8°C with nights around 7.1°C. Expect roughly 13.1 wet days totalling 86.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Avilés is June–September.
Based on ASTURIAS AVILES, SP (9.7km), 1995–2024. 30 years of March data.