May in Ferrol averages a daily high of 18.8°C with nights around 12.4°C. Expect roughly 12.1 wet days totalling 69.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ferrol is June–September.
Based on A CORUNA, SP (19.9km), 1995–2024. 30 years of May data.